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README.md

#Information This repo is for my modifications to the original 'creddump' program available at:

https://code.google.com/p/creddump/

I did not write the original program.

I have combined many patches and fixes I have seen from different forums and user suggestions, as well as modified the usage to make it a little more clear.

I followed patches and fixes from the following links:

Enjoy! Ronnie Flathers (@ropnop)

###Usage Mount a Windows 7/Vista partition:

# mkdir /mnt/win
# ntfs-3g /dev/sda1 /mnt/win

Run cachedump.py on the SYSTEM and SECURITY hives to extract cached domain creds:

# ./cachedump.py
usage: ./cachedump.py <system hive> <security hive> <Vista/7>

Example (Windows Vista/7):
./cachedump.py /path/to/System32/config/SYSTEM /path/to/System32/config/SECURITY true

Example (Windows XP):
./cachedump.py /path/to/System32/SYSTEM /path/to/System32/config/SECURITY false

# ./cachedump.py /mnt/win/Windows/System32/config/SYSTEM /mnt/win/Windows/System32/config/SECURITY true |tee hashes
nharpsis:6b29dfa157face3f3d8db489aec5cc12:acme:acme.local
god:25bd785b8ff1b7fa3a9b9e069a5e7de7:acme:acme.local

If you want to crack the hashes and have a good wordlist, John can be used. The hashes are in the 'mscash2' format:

# john --format=mscash2 --wordlist=/usr/share/wordlists/rockyou.txt hashes
Loaded 2 password hashes with 2 different salts (M$ Cache Hash 2 (DCC2) PBKDF2-HMAC-SHA-1 [128/128 SSE2 intrinsics 8x])
g0d              (god)
Welcome1!        (nharpsis)

We now have the passwords for two domain users. Note: these passwords are really simple and I knew they were in the wordlist I used. Normally if you want to actually bruteforce the passwords, I wouldn't recommend John. Pull the hashes and use a GPU powered cracking box with oclHashcat.

####Below is the original README file

OVERVIEW

creddump is a python tool to extract various credentials and secrets from Windows registry hives. It currently extracts:

  • LM and NT hashes (SYSKEY protected)
  • Cached domain passwords
  • LSA secrets

It essentially performs all the functions that bkhive/samdump2, cachedump, and lsadump2 do, but in a platform-independent way.

It is also the first tool that does all of these things in an offline way (actually, Cain & Abel does, but is not open source and is only available on Windows).

REQUIREMENTS

alldump has only been tested on python 2.5. It should work on 2.4 as well, but will likely need modification before it will work on 2.3 or below.

python-crypto is required for its MD5/DES/RC4 support. To obtain it, see: http://www.amk.ca/python/code/crypto

For lsadump: system and SECURITY hives For cachedump: system and SECURITY hives For pwdump: system and SAM hives

USAGE

Dump cached domain hashes: usage: ./cachedump.py

Dump LSA secrets: usage: ./lsadump.py

Dump local password hashes: usage: ./pwdump.py

FEATURES

  • Platform independent operation. The only inputs are the hive files from the system--we don't rely on any Windows functionality at all.
  • Open-source and (hopefully!) readble implementations of Windows obfuscation algorithms used to protect LSA secrets, cached domain passwords, and
  • A reasonably forgiving registry file parser in pure Python. Look through framework/types.py and framework/win32/rawreg.py to see how it works.
  • The first complete open-source implementation of advapi32's SystemFunction005. The version in the Wine source code does not appear to allow for keys longer than 7 bytes, while the Windows version (and this version) does. See decrypt_secret() in framework/win32/lsasecrets.py

AUTHOR

creddump is written by Brendan Dolan-Gavitt (bdolangavitt@wesleyan.edu). For more information on Syskey, LSA secrets, cached domain credentials, and lots of information on volatile memory forensics and reverse engineering, check out:

http://moyix.blogspot.com/

CREDITS

LICENSE

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.