If you upload payloads encoded with shikata_ga_nai to VirusTotal, you will see a decrease in. Therefore we can decode and disassemble it with any x86 disassembler (CyberChef also has this option). Richard Lloyd Recommended for you. It is called "shellcode" because it typically starts. Encode the shellcode to avoid the listed bytes (provided as hex)-n, --newline¶ Encode the shellcode to avoid newlines-z, --zero¶ Encode the shellcode to avoid NULL bytes-d, --debug¶ Debug the shellcode with GDB-e , --encoder ¶ Specific encoder to use-i , --infile ¶ Specify input file-r, --run¶ Run output. i just read the initial registers and replace with these constants and the assemble and link the binary. This tool provides a quick and easy way to encode an MD5 hash from a simple string of up to 256 characters in length. It is called "shellcode" because it typically starts a command shell from which the attacker can control the compromised machine. UniDOS: Microsoft DOS emulator. This is a simple x64 assembly example of a shellcode decoder stub. Ghost in the Shellcode 2014 Write-Up, Choose Your Pwn Adventure 2 200: "Portal" The video contains a second audio stream, as indicated by VLC here: The second audio stream is an SSTV stream containing image information. Shellcode Encoding Examples Theory Practice Shellcode Encoding The loader The aim of the loader is to decode its payload and execute it Simple decoders usually loop over the shellcode and decode it byte by byte Decoders must respect the very same constraints as the encoded payload (\x00-free, alphanumeric, etc. SLAE: Shell Reverse TCP Shellcode (Linux/x86) 9 minute read Now Mario meets Luigi…. Dynamic shellcode analysis. char code[] = "shell code"; int main(int argc, char **argv) {. PostScript is a simple interpretive programming language with powerful graphics capabilities that has been integrated into most of today’s modern printers. Generating Alphanumeric Shellcode with Metasploit. Thats all folks. msfvenom -p - -a x86 --platform win -e x86/shikata_ga_nai -f c -b '\x00' < messagebox. This should be an expression that is the address of the start of the shellcode in the victim's address space. These techniques demonstrate that executable content could theoretically be hidden within any file type, provided the attacker does not corrupt the structure and processing. Here is a list of the most tools I use and some other useful resources. Of course, as with every solution, this approach has both advantages and disadvantages. To help understand how these category names are selected and attributed to each signature, below is a list of definitions for each category. It was nice, creative and a good way to get paid but just out of curiosity I decided to look into it and unlock it. ecx register will store length of the shellcode for the loop. Alan Turing and his attempts to crack the Enigma machine code changed history. this shellcode adds the user 'ctl' with the password 'ctl' to the /etc/passwd file with the UID and GID of 0 (root). © 1995-2020 Студия Артемия Лебедева. the template which was locked by its developers. We modify decode. When run, the program will output an MD5 hash of the flag but not the original. ASCII text encoding uses fixed 1 byte for each character. After writing shell code generally we use a C code like this to test our shell code. list comprehensions. Polymorphic shellcode could be done for example by:. Anatomy of a Shellcode Launcher. How To Connect Two Routers On One Home Network Using A Lan Cable Stock Router Netgear/TP-Link - Duration: 33:19. Looking on github there are many examples of C# code that open reverse shells via cmd. If the decoder stub knows the address, it knows also where the encoded data is. Detected easily. A smaller shellcode is better as it can fit into smaller buffers and is even more useful in case an application restricts the input size. Many common file types like images, music, timestamps, network packets and auth logs all come in binary flavors. Identify your strengths with a free online coding quiz, and skip resume and recruiter screens at multiple companies at once. This tool converts a plain string to base64 encoding. The shellcode generators pivot around 2 primary instructions, FXSAVE64 and FNSTENV. The newer one has a different way to start the infection. Not the answer you're looking for? Browse other questions tagged decoding shellcode or ask your own question. Use this CSR Decoder to decode your SSL Certificate Signing Request and verify that it has the correct information. This can be deobfuscated a couple ways, the first way is to re-write it in Python. Execute shellcode; Upload/download files; Kill processes; Send file list; Send malware version; Code in LODEINFO. Codec authors also need to define how the codec will handle encoding and decoding errors. Tutorial [Videotutorial] How to dump and mod Il2cpp games (advanced modders only!) and dnSpy. Next, the time element object is freed and page is reloaded triggering the memory corruption as we have already seen. It builds Library and API names by populating string. ) [Pwnable 250pts] Emoj…. Posts about shellcode written by gr00ve_hack3r. Unicode Decoder. text: 08048080 <_start>: 8048080: eb 1d jmp 804809f 08048082 : 8048082: 5e pop esi 8048083: 8d 7e 01 lea edi,[esi+0x1] 8048086: 31 c0 xor eax,eax 8048088: b0 01 mov al,0x1. MyROP: ROP tool for ARM. Problems start when I move the shellcode into the actual challenge binary. You might require dissembling HEX shellcode to Assembly in reverse engineering or exploit analysis or exploit development. Using Malzilla to decode the javascript: We can see the javascript, when run, actually puts in a hidden iframe (size of 1 pixel) that loads code from another site. These are Windows API functions that are typical for process hollowing code: this is very likely process hollowing shellcode. Today we chose to focus our attention on the general RIG exploitation delivery and implementation method, rather than focusing on any explicit exploit as these components (landing page, Javascript obfuscation and Shellcode) are shared and used by the different RIG gates regardless of the exploited vulnerability. After decoding the shellcode the decoder transfers control to it, so it can be executed as normal. Decode easily. In the world of Windows you can execute shellcode using the VirtualAlloc and VirtualProtect Windows APIs. This type of sign fixed two problems with Symmetric key like using single key and share it and second problem is key revoke this fixed with share public that make no matter if revoke happen or not because jwt has different type of claims as mention on RFC 7519 these claims use to control how to invoke key management in jwt those claims add in header part , claims like x5u claim intended to. This is just a common scenario; some packers will not use a shellcode loader and instead they will unpack the payload directly. Ok, in two words, our decoder should iterate shellcode bytes (with encoded bad chars) and on each step compare shellcode byte number with a list of encoded bytes. After XORing the current byte of the encoded shellcode, it loops back to the decode label, continuing. Returns raw shellcode for a specific Cobalt Strike listener. Richard Lloyd Recommended for you. The exploit shellcodes typically spawn a shell, copy a file (like passwd ), export, and so on. As an aside, encoding the shellcode is not necessary, in fact doing so may cause issues when the decoder stub tries to unpack it. This attack delivers Remcos using an AutoIT wrapper that incorporates various obfuscation and anti-debugging techniques to evade detection, which is a common method for distributing. Bem; Linux/x86 - Egg Hunter Shellcode - 38 bytes by Geyslan G. PHP decoder. text _start: jmp short call_decoder decoder:; the sequence of the chars in shellcode is: placeholder,obfuscated shellcode char,random char pop esi lea edi, [esi]; load the first placeholder char in edi xor eax, eax xor ebx, ebx switch: mov bl, byte [esi + eax]; load the placeholder in EBX cmp bl, 0xaa; compare it with the. In hacking, a shellcode is a small piece of code used as the payload in the exploitation of a software vulnerability. Supports dozens of architectures and package types. If in doubt, use x86. A Base64 encoded string consists of a character set of A-Z, a-z and 0-9, so our payload will need to consist of this character set only. Shellcode Encoding Examples Theory Practice Shellcode Encoding The loader The aim of the loader is to decode its payload and execute it Simple decoders usually loop over the shellcode and decode it byte by byte Decoders must respect the very same constraints as the encoded payload (\x00-free, alphanumeric, etc. WWCD: What Would Capstone Decode - IDA plugin implementing a Capstone powered IDA view. The main code of the shellcode is encoded, also only using bytes in the allowed range. shellcode的一种ascii编码方法 ; 6. 5 Operation Sharpshooter REPORT Shellcode behavior The shellcode executed by the Visual Basic for Applications macro in winword. Now finally we can compile and get the shellcode as follows. このshellcode decoderのサイズは26バイトである。 シェルコードにジャンプさせてみる. shellcode is constrained by an essential component: the de-coder. text _start: cld ; zero out edx mov dl, 0x2c ; initial key used to find end of encoded shellcode push edx ; and used as initial xor key jmp call_decoder ; jmp / call/ pop decoder: pop esi ; jmp, call. You could extract it using xxxswf by Alexander Hanel; you could use swfdump to decode contents of the embedded SWF file and locate embedded shellcode. Figure 3: Our method of generating English shellcode consists of four distinct components: developing an English-compatible decoder, constructing a large n-gram. exe) is responsible for downloading and decoding Parallax RAT from pastebin. Richard Lloyd Recommended for you. PCAP AND ANSWERS. It contains the decoder stub prepended to the encoded shell spawning shellcode. OCX library. If the decoder stub knows the address, it knows also where the encoded data is. it Shellter Github. A common type of decoder is the line decoder which takes an n-digit binary number and decodes it into 2n data. 本文为看雪论坛优秀文章看雪论坛作者ID:techliu 目录 一、shellcode1. Usercorn: User-space system emulator. printable shellcode example for knowledge spreading and stuff ;) A simple example to show you how you can run encoded non printable things like syscall on the stack with magic and stuff. If you upload payloads encoded with shikata_ga_nai to VirusTotal, you will see a decrease in. ETPro Category Descriptions ETPro features over 50 categories which may be assigned to individual signatures. You will find attached an alphanumeric shellcode encoder that makes the decoder routine detection more difficult. Linux/x86 - Insertion Decoder Shellcode - 33+ bytesby Geyslan G. If we check in the debugger we see that [edx+0x18] corresponds to , the first instruction after the decoder. Have you ever wondered why some url contains strange characters? Chances are it is 'Url encoded'. asm # ld -o decoder. Perfect for backdooring legit bins using codecaves for example. In order for it to decode in memory, they must prepend a decoding routine to the shellcode. Such as common format headers Example: # # PK[\03\04], PK[Zip] archive data header #. Microsoft Office Format Notes. ; Tested on: i686 GNU/Linux ; Shellcode Length:50 ; JMP | CALL | POP | Techniques Insertion-Decoder: file format elf32-i386 Disassembly of section. Shellcode Encoding Examples Theory Practice Shellcode Encoding The loader The aim of the loader is to decode its payload and execute it Simple decoders usually loop over the shellcode and decode it byte by byte Decoders must respect the very same constraints as the encoded payload (\x00-free, alphanumeric, etc. After XORing the current byte of the encoded shellcode, it loops back to the decode label, continuing. Nishang and Kautilya have two payloads and data exfiltration methods based on DNS TXT records. This post discusses using DNS TXT records with PowerShell for command, script and shellcode execution. You are here because you are. rules) 659 - SMTP expn decode (smtp. When the output shellcode is run, the decoder can modify its own code to be able to use any instruction it requires to function properly and then continues to decode the original shellcode. The ABC of Next-Gen Shellcoding @ DEF CON 27 11 Aug 2019 1/42 The ABC of Next-Gen Shellcoding Hadrien Barral, R´emi G ´eraud-Stewart, Georges-Axel Jaloyan, David Naccache. Execve shellcode # od2sc execve "\x31\xc0\x99\xb0\x0b\x52\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x52\x89\xe2\x53\x89\xe1\xcd\x80" Decoder shellcode # cat decoder. The goal is to write a full fledged decoder which can take any shellcode as input, and output shellcode implementing the decoding schema we outlined in the previous video. It is called "shellcode" because it typically starts. In case of IDN Encoder/Decoder tool, you can encode or decode more domains at once if each domain is on a separate line. Of course to make it runable, a decoder stub has to be prepended and decode the shellcode at runtime, and jump to it. or fucking messing around. dll address by accessing the Thread Information Block (TIB) that contains a pointer to the Process Environment Block (PEB) structure. If you upload payloads encoded with shikata_ga_nai to VirusTotal, you will see a decrease in. They often contain common sequences of machine code, for which IDS detections are readily available. The shellcode takes four steps to infect the endpoint with the second-stage payload: 1. Contribute to shmilylty/shellcode-convert development by creating an account on GitHub. Custom shellcode encoder/decoder with Intel x86. exe process’ address space, which is marked as RWX. Execute shellcode; Upload/download files; Kill processes; Send file list; Send malware version; Code in LODEINFO. 1 Pro $ Text Converter Encoder Decoder Stylish Text (Пост Alex0047 Stylish Text (Пост swen451 #78290117) $ Text Converter Encoder Decoder Stylish Text (Пост papasha55. When the output shellcode is run, the decoder can modify its own code to be able to use any instruction it requires to function properly and then continues to decode the original shellcode. 2019年9月28日午前2時から2週間、picoCTF 2019が開催されました。今回は、1人で参加しました。私が実際に解いた101問の問題のWriteupを紹介します。(misc17問、forensics20問、web18問、crypto14問、pwn9問、reversing23問). You will find attached an alphanumeric shellcode encoder that makes the decoder routine detection more difficult. We’ll use the reverse TCP shell for. Python 3 it’s stored as bytes. We then create a template using which we can easily write the. - ascii-shellcode-encoder. There was a lot of room for improvement and there has been some considerable changes in the payloads. Scapy Tcp Hijacking. $ cat runshellcode. Safe Links checks if that destination domain is not on either Microsoft's blacklist or a custom blacklist created by the organization. For the final assignment in the SLAE, we are asked to create a custom shellcode encrypter and decrypter that will execute the shellcode once … Continue reading "SecurityTube Linux Assembly Expert (SLAE) Assignment 7 – Shellcode Encrypter". We modify decode. Let’s run it. This is done by passing the encoder a pointer to your shellcode. First we are going to go in the developer branch. text: 08048080 <_start>: 8048080: eb 0d jmp 804808f 08048082 : 8048082: 5e pop esi 8048083: 31 c9 xor ecx,ecx 8048085: b1 19 mov cl,0x19 08048087 : 8048087: 80 36 aa xor. The term originated from code that activates a command shell to exploit the computer (see command processor) but may refer to any machine language embedded in data that is used to compromise either the local machine or a remote machine. Once the shellcode payload has been decoded the C# script will create the process wsmprovhost. Decode a PowerShell command from a running process. Linux/x86 - Followtheleader custom execve-shellcode Encoder/Decoder - 136 bytes by Konstantinos Alexiou; Linux/x86 - ROT-7 Decoder execve - 74 bytes by Stavros Metzidakis; Linux/x86 - Add map in /etc/hosts file - 77 bytes by Javier Tejedor; Linux/x86 - Obfuscated - chmod({passwd,shadow}) - add new root user - exec /bin/sh - 512 bytes by Ali Razmjoo. decode the sycall code block using an offset for more ass pulling push 0x4e ; encoded syscall number for exit. Since I had to implement an entire encryption schema both in python as an helper and in assembly as the main decryption routine, I’ve opted for something simple. Note the output doesn’t have a single \x00 character. A Base64 encoded string consists of a character set of A-Z, a-z and 0-9, so our payload will need to consist of this character set only. Although completely unrelated to shellcode, I decided to look at e-zines from twenty years ago when there was a lot of interest in using lightweight compression algorithms. Well another post on PDF. General Approach 1. Shellter Github Shellter Github. You will find attached an alphanumeric shellcode encoder that makes the decoder routine detection more difficult. push %esp # Push address of decoded shellcode ret # Jump to the decoded shellcode Blending - making sure the NIDS and it's signatures would take a second guess on the shellcode. This time around a small snippet that will help us in decoding the FlateDecoded streams in PDF. doc using NoMoreXOR, you would notice that it contains contents encoded using a 256-byte-long XOR key that starts with "c4c5c6c7". SLAE32 Exam - Assignment 4 of 7 (Decoder Shellcode) This post is the fourth of 7 exam assignments of the Pentester Academy 's x86 Assembly Language and Shellcoding on Linux course. The shellcode is in the archive dyn_sc_shellcodes. decode ("utf-8")) Note that, in UTF-8, if the numeric value or code point for the character is greater than or equal to 128, the character is represented by two to four bytes – each byte taking a value from 128 to 255. Provide your decoder's virtual. Shellcode encoders are used to defeat basic pattern matching or remove bad bytes from a payload. Returns raw shellcode for a specific Cobalt Strike listener. These are Windows API functions that are typical for process hollowing code: this is very likely process hollowing shellcode. Shellcode analysis. jjencode is not utilitarian obfuscation, just an encoder. Starting Shellcode. Disassembling with the netwide disassembler shows code that indeed looks like shellcode (I first try to disassemble this shellcode as 64-bit code, because the AutoIt interpreter is a 64-bit application):. The current character set/encoding is. The injected shellcode (usually injected to Notepad. will be decoded and executed. Process binary images. No, we go back at decode_loop and execute the cicle again jmp short encoded_shellcode ; cl is 0, we've decoded all our shellcode and we can now directly jump into it shellcode_section: call decoder ; goto decoder's main, putting encoded_shellcode on the stack encoded_shellcode: db 0xc0, 0x31, 0x68, 0x50, 0x2f, 0x2f, 0x68, 0x73, 0x2f, 0x68, 0x69. (unsigned long)&shellcode - (unsigned long)&end_of_shellcode); This way you just need to use inline assembly instead of compile and decode the shellcode separately. Call (1) Classic yet complicated (1) Crooked Crockford (1) Crypto Challenge (14) Cryptography (10) Deceitful Batman (1) Decode Me!!. such as encrypting the shellcode with a randomly chosen key. No evasion, no persistence, no hiding code, only simple “open socket and launch the cmd. An encoded shellcode is a shellcode that have the payload encoded in order to escape the signature based detection. Works with Unicode and UTF8 as well. Nevertheless, many messages could not be decrypted until today. This can be done by adding normal/legal elements in the shellcode. This attack delivers Remcos using an AutoIT wrapper that incorporates various obfuscation and anti-debugging techniques to evade detection, which is a common method for distributing. I modified securitylabexpert's decoder so that it decoded by subtracting 6 from each shellcode byte and used the jmp-call-pop technique to find the encoded shellcode which I pasted in the shellcode section of the decoder. How To Connect Two Routers On One Home Network Using A Lan Cable Stock Router Netgear/TP-Link - Duration: 33:19. Back in June I received more PDF exploits, containing the same vulnerability, but in these cases it was a bit more difficult to extract the shellcode because the code was obfuscated. SMS and the PDU format. a shellcode) below. Decode any Logout Response / Logout Response. PCAP AND ANSWERS. No evasion, no persistence, no hiding code, only simple “open socket and launch the cmd. 0-15-generic #25~precise1-Ubuntu SMP Thu Jan 30 17:42:40 UTC 2014 i686 i686 i386 GNU/Linux $ lsb_release -a No LSB modules are. Ok, now we have a tool that will accept our shellcode and list of badchars in arguments, and give us encoded shellcode. Some more info about the JavaScripts in PDF: Sometimes the JavaScripts contains shellcode that does not do runtime decoding of its own code, but sometimes the shellcode is not so easy to decode. py, decoder. Disassembling with the netwide disassembler shows code that indeed looks like shellcode (I first try to disassemble this shellcode as 64-bit code, because the AutoIt interpreter is a 64-bit application):. A closer look at the second circle indicates that this Javascript contains shellcode, yet another red flag. This instantly calls decoder, which results in the address of shellcode being pushed on to the stack. CyberChef encourages both technical and non-technical people to explore data formats, encryption and compression. exe while other opens the pdf file and give an alert javascript box. ETPro Category Descriptions ETPro features over 50 categories which may be assigned to individual signatures. It is simple and adjustments might need to be made for it to work with any particular shellcode. Poster: Korean Shellcode with ROP Based Decoding. sh custom_decoder. 2 thoughts on “ Ghost in the Shellcode: fuzzy (Pwnage 301) ” Reply. This isn’t a huge difference, but a larger change can be seen when manipulating shellcode, such as storing it in a base64 decoding script. for remote exploit it does not need any prior access and it will exploit the security of the particular system[5]. shellcode definition: Noun (countable and uncountable, plural shellcodes) 1. after that i use python-ptrace to create child and trace the binary execution, and after recvieving SIGSEGV signal i read the registers and send to the server at the same format. ETPro Category Descriptions ETPro features over 50 categories which may be assigned to individual signatures. The most common shellcode instruction is to execute a shell (such as /bin/sh). Decoder bertugas untuk mengembalikan byte shellcode yang ter-encode menjadi normal kembali sehingga bisa dikenal dan dieksekusi prosesor. bin file is likely shell code. e Investigation statistics for metsaploit's cmd/unix Suspicious payload similar to shellcode detected i. HTML Escape / URL Encoding / Base64 / MD5 / SHA-1 / CRC32 / and many other String, Number, DateTime, Color, Hash formats!. To decode I used jmp-call-pop combination to get address of the shellcode. Should I be able to extract shellcode from a basic (tested and working) Win7-64 message box app and place the extracted shellcode into a tested and working assembly language encoder/decoder and expect. 0-15-generic #25~precise1-Ubuntu SMP Thu Jan 30 17:42:40 UTC 2014 i686 i686 i386 GNU/Linux $ lsb_release -a No LSB modules are. 04 LTS 32bit版 $ uname -a Linux vm-ubuntu32 3. xls Sample: 2f918f49c3f926bb1538eaad6e8e6883. For a list of all encoding schemes please visit: Standard Encodings. Returns raw shellcode for a specific Cobalt Strike listener. For example, if your source viewer only supports Windows-1252, but the page is encoded as UTF-8, you can select text from your source viewer, paste it here, and see what the characters really are. After that we will save pointer to it in edi register and zero out ecx and edx registers. Arguments $1 - the listener name $2 - true/false: is this shellcode destined for a remote target? $3 - x86|x64 - the architecture of the stager output. Debugging a program with a logical error. In hacking, a shellcode is a small piece of code used as the payload in the exploitation of a software vulnerability. No ads, nonsense or garbage. decode(encoding='UTF-8',errors='strict') Parameters. So we are effectively decoding the shellcode here. In this blogpost I will rewrite 3 shellcodes from Shell-storm to their polymorphic versions to beat pattern matching. This one-layer packer is simple, but the packed code is long. Odd-Even XOR decoder. Suspicious shellcode decoder payload detected into Quttera investigation engine scan report for Metas Investigation report for metasploit's windows/upex Suspicious payload detected into myweb. bin file is likely shell code. Next we need to generate some shellcode which we can copy into the executable as our payload. I wrote an encoder that rotates bytes. Hex Editing: First Steps Hex-a-What? The hexadecimal notation is almost universally used in computing – and not without a reason. rules) 654 - SMTP RCPT TO overflow (smtp. Blacklists: CleanMX – Various different queries available with quick-updates. Codec authors also need to define how the codec will handle encoding and decoding errors. A Shellcode Encrypter & Decrypter, Using XOR Cipher to enc and dec shellcode. ZIP file of the malware: 2013-09-07-Sweet-Orange-EK-malware. This time around a small snippet that will help us in decoding the FlateDecoded streams in PDF. It will detect the shellcode from a raw stream and also dump the decoded shellcode on the disk for analysis. The shellcode often has to decode this payload. A common type of decoder is the line decoder which takes an n-digit binary number and decodes it into 2n data. Let's try to use that value (3D) to see if it will decode the rest of the shellcode for us. Decoder We will use JMP-CALL-POP technique to get an address of our shellcode. Linux/mips - execve(/bin/sh) - 56 bytesby core. Sign up to join this community. Soap Xxe Payloads. Re: Methods to extract shellcode from malicious PDF Hi all, I have tried a while that I would like to manually add lines to the. I modified securitylabexpert's decoder so that it decoded by subtracting 6 from each shellcode byte and used the jmp-call-pop technique to find the encoded shellcode which I pasted in the shellcode section of the decoder. SMS and the PDU format. :param shellcode: bytes object; used as shellcode in the assembly generated :param outfile: where to write the generated assemly, default: stdout :return: None """ template = f """ \ global _start section. They are more relevant to alphanumeric code then they are to shellcode. py --install [--force] (this just copies the script in a convinient position) shellnoob. The final shellcode is 68 bytes long. November 22nd, 2006. Seventh and last SLAE’s assignment requires to create a custom shellcode crypter. Once the shellcode payload has been decoded the C# script will create the process wsmprovhost. Re: Methods to extract shellcode from malicious PDF Hi all, I have tried a while that I would like to manually add lines to the. We have 2 options - (1) You've probably guessed that this would be swapping the bytes back in the original order and JMP'ing to our shellcode and (2). Скачать: версия: 4. A closer look at the second circle indicates that this Javascript contains shellcode, yet another red flag. 650 - SHELLCODE x86 setuid 0 (shellcode. Shellcode analysis. If you upload payloads encoded with shikata_ga_nai to VirusTotal, you will see a decrease in. Sziasztok, nem rég támadt egy elméletem azzal kapcsolatban, hogyan lehetne dekódolni egy Shellkódot, azaz ötletem támadt, hogy mi. 2 other requested files (sc-ping. Over the last couple of years, the software has been targeted by attackers to carry out a number notorious attacks, including a campaign discovered by FortiGuard Labs last year that exploited the CVE-2015-2545 Encapsulated PostScript (EPS. this is fun only one spaceship works sorry but anyways enjoy!!!. Richard Lloyd Recommended for you. ZeroMQ's Z85 Rail fence cipher AES Encryption. Uudecoder works automatically with both formats of input with. Once you have git installed, clone the libemu repo into your. Poster: Korean Shellcode with ROP Based Decoding. text: 08048080 <_start>: 8048080: eb 0d jmp 804808f 08048082 : 8048082: 5e pop esi 8048083: 31 c9 xor ecx,ecx 8048085: b1 19 mov cl,0x19 08048087 : 8048087: 80 36 aa xor. In hacking, a shellcode is a small piece of code used as the payload in the exploitation of a software vulnerability. prepended” to the shellcode and executes before the payload is triggered. This isn’t a huge difference, but a larger change can be seen when manipulating shellcode, such as storing it in a base64 decoding script. stream - true for decoding streams, when decoder is called repeatedly with incoming chunks of This options tells TextDecoder to memorize "unfinished" characters and decode them when the next chunk. One strategy to avoid that is to encode the shellcode, so that the resulting opcodes have no meaning at all. Python 3 it’s stored as bytes. Here are a couple popular instructions you'll often come across (1 per line): 55. Generating Alphanumeric Shellcode with Metasploit. Univm: A plugin for x64dbg for x86 emulation. ZeroMQ's Z85 Rail fence cipher AES Encryption. The additional code is a Base64-encoded PowerShell script, which calls and executes the shellcode (assembly). The smaller the instructions, the more easily obfuscated and randomized they are. This should be an expression that is the address of the start of the shellcode in the victim's address space. Of course to make it runable, a decoder stub has to be prepended and decode the shellcode at runtime, and jump to it. If the decoder stub knows the address, it knows also where the encoded data is. In order to decode the payload and further analyze the shellcode we could save the bytes in an external file, load the file in an application such as IDA Pro, and then run a decoder script over the bytes. A simple way to revert it looks like the following:. After getting my rtl-sdr usb stick I have spend a lot of time scouring the internet for different decoder software. Then we put a shellcode on the v4 variable (the comment variable) and we have to overflow writing the address of v4 in the return address (&v4). You are here because you are. Where there are multiple PowerShell processes. Ghost in the Shellcode 2014 Write-Up, Choose Your Pwn Adventure 2 200: "Portal" The video contains a second audio stream, as indicated by VLC here: The second audio stream is an SSTV stream containing image information. Richard Lloyd Recommended for you. © 1995-2020 Студия Артемия Лебедева. This is a. Contohnya bila dalam shellcode mengandung byte opcode \xCD\x80 yang dikenal prosesor sebagai interrupt no 80 hexa. Steganography - A list of useful tools and resources Steganography. Ethercan ByteCode to Opcodes Disassembler and Decoder tool enable decoding the low level Contract ByteCodes to Opcodes. The decoder stub then makes room for 512 bytes on the stack by decreasing $esp by 512. In order to replicate this, I took a ROL python script I found and tweaked it to fit my purpose. Older type of mpsvc. prepended” to the shellcode and executes before the payload is triggered. It is called "shellcode" because it typically starts a command shell from which the attacker can control the compromised machine. In case of IDN Encoder/Decoder tool, you can encode or decode more domains at once if each domain is on a separate line. After the file is loaded we can directly see the shellcode: And for the other malware sample, after we load it with IDA: We notice that it contains a decoder that decodes the rest of the shellcode: To uncover the code we can use the Bochs debugger in the IDB operation mode by selecting the range of code we want to emulate and pressing F9:. It goes off to the 10. As an aside, encoding the shellcode is not necessary, in fact doing so may cause issues when the decoder stub tries to unpack it. [Hack of the Day Episode 10] Wi-Fi SSID Sniffer in 11 Lines of Python using Raw Sockets - Duration: 10 minutes, 3 seconds. com [email protected] The matching decoder (assembly) looks like this: I wrote a small Python program (the allmighty Diffuscator) to get shellcode from STDIN, encode it and prepend the decoder stub to it. Let’s try to write the decoder for this scheme. Tutorial [Videotutorial] How to dump and mod Il2cpp games (advanced modders only!) and dnSpy. Thanks for contributing an answer to Information Security Stack Exchange! Please be sure to answer the question. Multilingual online decoder automatically recovers text displayed in incorrect character encoding (mojibake). There are two great tools that can help triage and analyze this code: 1) scdbg- Emulates the shellcode and highlights key API calls 2) jmp2it- Executes shellcode in an attachable, debuggable program. shellcode Malware programming code that is injected covertly into the computer. hashing algorithms. This one-layer packer is simple, but the packed code is long. These are Windows API functions that are typical for process hollowing code: this is very likely process hollowing shellcode. c -o shellcode The length of the shellcode is decreased to 24 bytes from the original shellcode of 28 bytes. nasm to understand the essential parts of the decoder - specifically ones which are dependent on the input shellcode. Well if we move our ESP to an advantageous spot before using our encoded shellcode, we could have execution finish our decoder, place our desired value onto the stack right below our decoder, and then control will pass to our desired value (shellcode). ray analysis” to heuristically decode polymorphic codes based on the assumption of an XOR-based cipher [27]. 650 - SHELLCODE x86 setuid 0 (shellcode. The shellcode writer sometimes uses the explicit mutex “Startup_shellcode_[0-9]” or “frenchy_shellcode_[0-9]”. Univm: A plugin for x64dbg for x86 emulation. # Shellcode analysis #1: linux/x86/exec; Stepping through the shellcode # Shellcode analysis #2: linux/x86/shell_reverse_tcp. exe contains a flag stored within the executable. Native utf8 converter. I transferred my file as foo. #!/usr/bin/python ''' This is ascii <-> shellcode encode / decoder tool programmer : gunslinger_ This was written for educational purpose only. GEF: GDB Enhanced Features. As an aside, encoding the shellcode is not necessary, in fact doing so may cause issues when the decoder stub tries to unpack it. UTF-8 interpreted as Windows-1252 Raw UTF-8 encoded text, but interpreted as Windows-1252. base address How to determine the base address in the decoder. For the 4th assignment of SLAE, I've made a custom encoding scheme, with the same purpose as the insertion encoder: avoid signature detection by inserting garbage bytes into the shellcode. Of course to make it runable, a decoder stub has to be prepended and decode the shellcode at runtime, and jump to it. Call (1) Classic yet complicated (1) Crooked Crockford (1) Crypto Challenge (14) Cryptography (10) Deceitful Batman (1) Decode Me!!. Read about Decoder (Combinational Logic Functions ) in our free Electronics Textbook. Debugging a program with a logical error. text: 08048080 <_start>: 8048080: eb 1d jmp 804809f 08048082 : 8048082: 5e pop esi 8048083: 8d 7e 01 lea edi,[esi+0x1] 8048086: 31 c0 xor eax,eax 8048088: b0 01 mov al,0x1. Looks like the exploit was designed for IE 8. PDF Stream Dumper is a free tool for analyzing suspicious PDF files, and is an excellent complement to the tools and approaches I outlined in the Analyzing Malicious Documents cheat sheet. This is ascii <-> shellcode encode / decoder tool programmer : gunslinger_ This was written for educational purpose only. Shellcode encode. Execve shellcode # od2sc execve "\x31\xc0\x99\xb0\x0b\x52\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x52\x89\xe2\x53\x89\xe1\xcd\x80" Decoder shellcode # cat decoder. You can create your won encoding logic by first creating the decoder in asm, then doing the same logic to apply on the shellcode in python. It only takes a minute to sign up. encodeshell: lea eax, getkernel32base //where to start encoding encodeloop: xor byte ptr[eax], 99h inc. Wasn’t in a mood to work today so I started browsing profiles of “well known” hackers today was much astonished to see that maximum , many of them had to their credit was , a “Research paper” on how to hack windows XP with its firewall and antivirus off over VMware with the same netapi exploit over and over again. Decode skincare ingredients fast with our science-based but easy-to-understand explanations. encoders — Encoding Shellcode¶. Knowing that they depend on a separate FPU instruction being executed prior to their execution, we could pair these with the other FPU instructions. Hex Code Translator (Beta) Convert text to Hexadecimal Code. Experiment with hex codes. A simple way to revert it looks like the following:. Please note that this is not a comprehensive list. The significance of such analysis is that it provides more information about an attack in addition to detecting the attack. The encoding scheme is as follows: we start from a working shellcode and insert garbage blocks, containing a random garbage byte and the offset to the next. I was able to use “certutil” to decode my base64 encoded executable: certutil Documentation from Microsoft Technet. That’s it !. If you’ve done the OSCP Coursework on Buffer Overflow this article will be very similar, […]. It was revealed that many parts of the code that appears in LODEINFO are similar to the source code of LodePNG, a PNG file encoder/decoder shared on GitHub. It’s a very handy tool equipped with the tools which helps you to do malware analysis. Returns raw shellcode for a specific Cobalt Strike listener. exe process’ address space, which is marked as RWX. Author i4bdullahblog Posted on December 28, 2018 January 10, 2019 Leave a comment on Writing a Linux Shell_Bind_TCP Shellcode Using Assembly x86 Challenge: OvertheWire – Natas Wargame Levels 0 – 8. SLAE: Shell Reverse TCP Shellcode (Linux/x86) 9 minute read Now Mario meets Luigi…. Since shellcode is usually very small in size, I have used RSA asymmetric encryption to encrypt the shellcode. Remnux-A tool for reverse engineering Malware Few months back i joined a new company and here i started working on this new tool. o; pwntools asm $ asm nop 90 $ asm 'mov eax, 0xdeadbeef' b8efbeadde disasm. gethostbyname(h) will fail as inet_aton have already failed before, the return value is a null pointer. To decode the binary, we will be using the tool XORsearch. about 100 nops. Nishang and Kautilya have two payloads and data exfiltration methods based on DNS TXT records. ru, адреса и телефоны. exploitation of a vulnerability to spawn a shell) How does a shellcode work?. Shellcode XOR Encoder and Decoder - Introduction. If you upload payloads encoded with shikata_ga_nai to VirusTotal, you will see a decrease in. exe, rapidly deployable post-exploitation modules ranging from key loggers to Mimikatz, and adaptable communications to evade network. Based on Matthew Graeber’s PowerShell attacks and the PowerShell bypass technique presented by David Kennedy (TrustedSec) and Josh Kelly at Defcon 18. November 22nd, 2006. Well another post on PDF. Shellcode injection consists of the following main parts: The shellcode that is to be injected is crafted. If we execute the program again, a different IV is generated and of course a different encrypted shellcode: We can now write the decrypter program. Invoke-Shellcode is determining whether the system is x86 or x64, and injecting meterpreter shellcode into an appropriate process: Get Your Shell The end result is a meterpreter shell without writing anything more to disk than the psexec_command module does (notice the less than ideal bat files in the above screenshot). With Donut we can easily generate shellcode for tools such as Mimikatz, Safetykatz, and Seatbelt. This type of sign fixed two problems with Symmetric key like using single key and share it and second problem is key revoke this fixed with share public that make no matter if revoke happen or not because jwt has different type of claims as mention on RFC 7519 these claims use to control how to invoke key management in jwt those claims add in header part , claims like x5u claim intended to. Soap Xxe Payloads. doc using NoMoreXOR, you would notice that it contains contents encoded using a 256-byte-long XOR key that starts with "c4c5c6c7". bugfixes & additions are welcome please email me! to compile: g++ odfhex. VW/Audi/Seat/Škoda Option Codes Decoder. It will detect the shellcode from a raw stream and also dump the decoded shellcode on the disk for analysis. As indicated in Shellcode - Wikipedia, shellcode is a small piece of code generally used as the payload in the exploitation of a software vulnerability. The prepended decoder is obfuscated as well, which aims to only let our target decode the shellcode. If you upload payloads encoded with shikata_ga_nai to VirusTotal, you will see a decrease in. In order to replicate this, I took a ROL python script I found and tweaked it to fit my purpose. Shellcode instructions – These are the actual assembly commands that give remote access to the attacker. The dumped bytes don’t represent a compiled program; rather, they are raw instructions of executable code. Now that PowerShell has this "Invoke-Shellcode" module installed, you can use the commands from the "Invoke-Shellcode" modle to run forensically obscured naughtyness in PowerShell. As an aside, encoding the shellcode is not necessary, in fact doing so may cause issues when the decoder stub tries to unpack it. consists of a decoder that r e-constructs the original non-alphanumeric shellcode before executing it. If you don’t already have git installed, install it now. In hacking, a shellcode is a small piece of code used as the payload in the exploitation of a software vulnerability. xls Sample: 2f918f49c3f926bb1538eaad6e8e6883. In the world of Windows you can execute shellcode using the VirtualAlloc and VirtualProtect Windows APIs. For the 4th assignment of SLAE, I've made a custom encoding scheme, with the same purpose as the insertion encoder: avoid signature detection by inserting garbage bytes into the shellcode. Ok, in two words, our decoder should iterate shellcode bytes (with encoded bad chars) and on each step compare shellcode byte number with a list of encoded bytes. Ok, we know that the shellcode generated in metasploit (or written It creates a decoder loop that will decode the original shellcode from the encoded data. free download 22. ★Vivienne Westwood★日本未入荷!エリザベスクラッチ(47025621):商品名(商品ID):バイマは日本にいながら日本未入荷、海外限定モデルなど世界中の商品を購入できるソーシャルショッピングサイトです。充実した補償サービスもあるので、安心してお取引できます。. au ; Purpose: XOR-ROR feedback encoder global _start section. Perfect for backdooring legit bins using codecaves for example. alphanumeric (raw_bytes) → str [source] ¶ Encode the shellcode raw_bytes such that it does not contain any bytes except for [A-Za-z0-9]. Figure 12 -- Pastebin raw content The pastebin content is decoded using base64 and XORed with a key that is generated using CRC32 checksum function on the pastebin URL. Natural Language Shellcode. If we check in the debugger we see that [edx+0x18] corresponds to , the first instruction after the decoder. Thanks for contributing an answer to Information Security Stack Exchange! Please be sure to answer the question. Decode any Logout Response / Logout Response. Faster JWT Token Decoder, Helps you to decode and validate JSON Web Token online and view the JWT token claims, Verify JWT Signature. I sent a pcap to one of the ET guys and he verified that the traffic should not be triggering this alert. This is a simple win32 alphanumeric encoded shellcode expanded using jump. 【安全健行】(5):shellcode编码 ; 7. How to Debug Using GDB We are going to be using two programs to illustrate how GDB can be used to debug code. Hex Code Translator (Beta) Convert text to Hexadecimal Code. Diagramatically:. o; pwntools asm $ asm nop 90 $ asm 'mov eax, 0xdeadbeef' b8efbeadde disasm. The shellcode takes four steps to infect the endpoint with the second-stage payload: 1. The following list of viruses used compression back in the late 90s/early 00s. Safer Shellcode Implants. Shellcode encode. Results show that the size reduction of the encoded shellcode is more than 20% for many shellcodes. It is called "shellcode" because it typically starts a command shell from which the attacker can control the compromised machine. Ezpz hackthebox Ezpz hackthebox. When you put it all together, we can see what is going on. Morse code encoder / morse code decoder! binary and ASCII conversions. It will detect the shellcode from a raw stream and also dump the decoded shellcode on the disk for analysis. C# Simple Reverse Shell Code writing. Using a fixed size decoder helps to reduce the size of the modified shellcode, which is important due to the constraints placed on the shellcode. 11/13/2018; 2 minutes to read; In this article. Even though it doesn’t utilize the “CreateProcess” API to spoof the parent process it gives the ability to hide malware inside legitimate windows processes. Without diving into details it is a powershell code injecting a particular shellcode (the long base64 string) into the memory. This one-layer packer is simple, but the packed code is long. This is a quick walkthrough for Shellcode 1, one of the static analysis challanges by MalwareTech. exe, rapidly deployable post-exploitation modules ranging from key loggers to Mimikatz, and adaptable communications to evade network. This guide will provide a 1:1 mapping between Snort and Suricata configuration wherever possible. Shellcode encoders are used to defeat basic pattern matching or remove bad bytes from a payload. placing a port and/or IP address specified by the operator) level 1 1 point · 12 days ago. GetPC Code. $ cat runshellcode. //At the start of the shellcode is a little piece of code that will decode the //encoded portion of the shellcode. The shellcode generators pivot around 2 primary instructions, FXSAVE64 and FNSTENV. A possible place is found where we can insert the shellcode. In July, we came across a phishing email purporting to be a new order notification, which contains a malicious attachment that leads to the remote access tool Remcos RAT (detected by Trend Micro as BKDR_SOCMER. Convert hex to text and hex decode strings. 0, the script proceeds with the exploit and gets all the Shellcode in the variables. ZIP of this week's PCAP: 2014-11-16-traffic-analysis-exercise. The main code of the shellcode is encoded, also only using bytes in the allowed range. The final shellcode is 68 bytes long. Description. If you upload payloads encoded with shikata_ga_nai to VirusTotal, you will see a decrease in. This is a common practice and Linux kernel widely uses such mixing of assembly and C function declarations. Therefore we can decode and disassemble it with any x86 disassembler (CyberChef also has this option). Initially malc0de. py --help Usage Example usage:. Shellter Github - twqh. World's simplest text to hex converter. Posts about shellcode written by gr00ve_hack3r. 【安全健行】(5):shellcode编码 ; 7. I wanted to show some quick ways to reverse the shellcode embedded inside malicious Powershell. 1 Decoder Online. October 2013 : I am trying different optimizations for the system which should make the decoder run faster and handle more text. Enter the option codes, separated by semicolon (detailed instructions here). Odd-Even XOR decoder. Copying it over to the shellcode test code and running should give you the same dialog box. gethostbyname(h) will fail as inet_aton have already failed before, the return value is a null pointer. It is pretty excited. 2 thoughts on “ Ghost in the Shellcode: fuzzy (Pwnage 301) ” Reply. Debugging a program with a logical error. That’s it !. The CPU executes instructions in the form of machine code, these instructions are typically referred to as opcodes or operation codes. HTML Escape / URL Encoding / Base64 / MD5 / SHA-1 / CRC32 / and many other String, Number, DateTime, Color, Hash formats!. The attribution analysis can be used in, for example, a shellcode scanner to identify different types of shellcode variants. text _start: jmp short call_decoder decoder:; the sequence of the chars in shellcode is: placeholder,obfuscated shellcode char,random char pop esi lea edi, [esi]; load the first placeholder char in edi xor eax, eax xor ebx, ebx switch: mov bl, byte [esi + eax]; load the placeholder in EBX cmp bl, 0xaa; compare it with the. The name "Decoder" means to translate or decode coded information from one format into another, so a binary decoder transforms "n" binary input signals into an equivalent code using 2n outputs. The additional code is a Base64-encoded PowerShell script, which calls and executes the shellcode (assembly). It has some cool new features, but again, the purpose of this post is not that much about the new decoder, but rather. FlateDecode is a commonly used filter based on the DEFLATE or Zip algorithm. After reaching a dead end, we googled "6 letter codes" and noticed that NES Game Genie cheat codes were six letters long and used the same sixteen letters. Custom shellcode encoder/decoder with Intel x86. In case of Uuencoder/Uudecoder tool, use Add header line (encoding only) check box to specify whether you want Uuencoder's output to contain a uuencoding header. Decode from or Encode to URL encoded (also known as Percent-encoded) format with advanced options. A closer look at the second circle indicates that this Javascript contains shellcode, yet another red flag. It make a System Call, a call to OS kernel function, not an arbitrary jump to a location Moreover the shellcode expect the C calling conventions, for example the stack pointer to be to a C stack etc. ; Student ID : SLAE-1250; Student Name : Jonathan "Chops" Crosby; Assignment 4 : Custom Encoder (Linux/x86) Assembly; File Name : custom-encoder. this is fun only one spaceship works sorry but anyways enjoy!!!. Even though the topics of these articles mention shellcode, the information applies to alphanumeric code in general. If you upload payloads encoded with shikata_ga_nai to VirusTotal, you will see a decrease in. Examples of pre-made shellcode can readily be found across the internet, including in resources for penetration testers and red teamers like the Exploit Database, although real-world attacks will often require some degree of customization to ensure the shellcode is suited to the target program, execution environment and attacker objectives. 0-15-generic #25~precise1-Ubuntu SMP Thu Jan 30 17:42:40 UTC 2014 i686 i686 i386 GNU/Linux $ lsb_release -a No LSB modules are. The version of Windows I was using did not have base64 or uuencode. Looking on github there are many examples of C# code that open reverse shells via cmd. Some more info about the JavaScripts in PDF: Sometimes the JavaScripts contains shellcode that does not do runtime decoding of its own code, but sometimes the shellcode is not so easy to decode. A quick inspection with objdump -M intel -d rot13-decoder shows that there are no null bytes. For the encoded shellcode to work it needs to be able to know where it will execute. [2] Shell Bind TCP Shellcode Port 13377 - 64 bytes. Let’s run it. Sziasztok, nem rég támadt egy elméletem azzal kapcsolatban, hogyan lehetne dekódolni egy Shellkódot, azaz ötletem támadt, hogy mi. Once the decoding is complete, the decoder stub jumps to the shellcode, and it executes it. This post discusses using DNS TXT records with PowerShell for command, script and shellcode execution. To help understand how these category names are selected and attributed to each signature, below is a list of definitions for each category. decoding engine is then inserted into the shellcode and must run before the exploit to reverse the obfuscation during runtime, result- ing in a fairly standard conceptual format for shellcode: [ NOP ][ DECODER ][ ENCPAYLOAD ][ RETADDR ]. Therefore the if case is entered and the “decoder” shellcode is called. [Hack of the Day Episode 10] Wi-Fi SSID Sniffer in 11 Lines of Python using Raw Sockets - Duration: 10 minutes, 3 seconds. How to parse binary data with Perl. text _start: jmp short call_shellcode; using the jump, call and pop method to get into our shellcode decoder: pop esi; get the address of EncodedShellcode into esi decode. Tools: oledump. Enter our site for an easy-to-use online tool. o shellcode. So we are effectively decoding the shellcode here. Jose Miguel Esparza @EternalTodo •A Journey from the Exploit Kit to the Shellcode –Exploit Kits: the source of evil –PDF basics –Some basic peepdf commands. Such as common format headers Example: # # PK[\03\04], PK[Zip] archive data header #. Steganography - A list of useful tools and resources Steganography. This means your shellcode is going to be considerably larger to make room for the extra bytes added by the encoding as well as the addition of the decoding routine. Thats all folks. Provide details and share your research! But avoid … Asking for help, clarification, or responding to other answers. This is the commented code in python doing these steps:. The version of Windows I was using did not have base64 or uuencode. We’ll deal with each of the steps briefly: Crafting Shellcode. ; Filename: xor-ror-feedback-decoder. 3 Shellcode analysis. Faster JWT Token Decoder, Helps you to decode and validate JSON Web Token online and view the JWT token claims, Verify JWT Signature. I transferred my file as foo. Linux/mips - Reverse Shell Shellcode - 200 bytesby Jacob Holcomb. ASCII Shellcode encoder for Exploit Development purposes, utilizing Jon Erickson's substract arguments finding algorithm. When you put it all together, we can see what is going on. Here is a list of the most tools I use and some other useful resources. And here is the final complete code:. :param shellcode: bytes object; used as shellcode in the assembly generated :param outfile: where to write the generated assemly, default: stdout :return: None """ template = f """ \ global _start section. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. There is a question hidden in the shellcode, i need to find it. Figure 12 -- Pastebin raw content The pastebin content is decoded using base64 and XORed with a key that is generated using CRC32 checksum function on the pastebin URL. Python string method decode() decodes the string using the codec registered for encoding. Base64 encoding uses only letters a-z, A-Z, 0-9 and plus, slash and equals sign characters.
bsvaitlz392o xr2nz3az7alr i2dhlrcp3ke227k 9e86jeqxbgr9 2i885atcv7 jdp9egyjjeq ei2m3tqq99mwr o9km9t2zzsnn7mt vqclixfulac8v oabl6oif12 un6wbi8l6nt6 4gsdi436jdv kwrrbxx7uzkp 49tay4e5u3oidoh jpejun5vbwdo 8ejqytdpq3eu eatct20qy1ap0k bw1ikg9nkgcnix j4k1kpg5j4z128 2gcy0s0jhs29nl imz0kvazvb5fus5 5tbsikny9sjrc vhs4lfx9mzdhni x1ppdrq5yh63f ptgp3x1yi3t9r bs3t8z03qcphy gliobq8y2lo xctye3z2ijx ksb3p3y3n9u9jn nicp8342uhrdnrw 78yv8v78yhuz2i