One of the popular methods for dumping LSASS is using the procdump.exe program from the Sysinternals Suite. Something like: procdump64.exe -accepteula -ma -o dumpfile.dmp However, Microsoft is well...
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Creating a Rootkit to Inject into a Protected Process and Dump LSASS
In my last blog post, I discussed one method of dumping LSASS where we created a DLL that we injected into Task Manager. We could then create an LSASS dump from Task Manager, and the DLL would hook...
Password Hash Cracking with the NVIDIA RTX 4090
In February 2017, I co-authored a blog detailing our build of an 8-GPU password cracker. Over the past 8 years, it’s had millions of views and thousands of comments. To all the concerned writers,...
Why 14 Characters?
Background While experts have agreed for decades that passwords are a weak method of authentication, their convenience and low cost has kept them around. Until we stop using passwords or start using...
How to build a (2nd) 8 GPU password cracker
Why? … Stop asking questions! Background In February 2017, we took our first shot at upgrading our old open-frame 6 GPU cracker (NVIDIA 970). It served us well, but we needed to crack 8 and...
How to build a 8 GPU password cracker
TL;DR This build doesn't require any "black magic" or hours of frustration like desktop components do. If you follow this blog and its parts list, you'll have a working rig in 3 hours. These...
Invoke-SMBAutoBrute.ps1 – Smart SMB Brute Forcing
Intro One of my favorite post-ex metasploit modules is smb_login. It's great for running a quick test using credentials you've discovered. One of the problems with it is that there is nothing that...