7MS #478: Password Cracking in the Cloud - Part 4
7 Minute Security29 Heinä 2021

7MS #478: Password Cracking in the Cloud - Part 4

Hey friends, today we're continuing our discussion of password cracking by sharing some methodology that has helped us get a high cred yield, and some tips on taking cracked passwords from multiple sources and Frankensteining them into a beautiful report for your customer.

For some background, when 7MS started as a biz, we used to crack passwords in Paperspace but invested in an on-prem cracking rig a few years ago. That rig has been flipping sweet, but had some heating issues which prompted me to send the system in for warranty and use an awesome cracking rig in AWS in the meantime.

Whether you're cracking locally or in the cloud, here's a quick methodology that has cracked many a hash for us:

  • Do a straight-up hashcat crack against the PwnedPasswords list (at time of this writing I don't have a good source for the cracked versions of these passwords. I used to grab them at hashes.org. Anybody got an alternative?

  • Do a straight-up hashcat crack through the RockYou2021 list

  • Run the hatecrack methodology, including the quick crack, the quick crack with rules (I'm partial to OneRuleToRuleThemAll), and brute-forcing all 1-8 character passwords

Once I'm ready to wrap up all the cracked passwords and put them in a nice shiny report for the customer, I do the following (using hashcombiner and pipal):

# Run hash_combiner on hashcat’s pot file and write results to a file python /opt/hc/hash_combiner.py user_hash /opt/hashcat/hashcat.potfile > /tmp/round1.txt # Run hash_combiner on hatecrack’s pot file and write results to a file python /opt/hc/hash_combiner.py user_hash /opt/hatecrack/hashcat.pot > /tmp/round2.txt # Cat the two files together into a third file cat /tmp/round1.txt /tmp/round2.txt > /tmp/round3.txt # Sort and de-dupe the third file cat /tmp/round3.txt | sort -uf > /tmp/nice-and-clean.txt # Take just the passwords out of the “nice and clean” output cut -d ':' -f 2 /tmp/nice-and-clean.txt > /tmp/pipal-temp.txt # Score the passwords using pipal /opt/pipal/pipal.rb /tmp/pipal-temp.txt > /tmp/pip-final.txt

Now you've got a nice-and-clean.txt list of users and their cracked passwords, as well as the pip-final.txt with deeper analysis of cracked passwords, their commonalities, etc.

Jaksot(682)

7MS #659: Eating the Security Dog Food - Part 8

7MS #659: Eating the Security Dog Food - Part 8

Today I’m excited about some tools/automation I’ve been working on to help shore up the 7MinSec security program, including: Using Retype as a document repository Leveraging the Nessus API to automate the downloading/correlating of scan data Monitoring markdown files for “last update” changes using a basic Python script

24 Tammi 28min

7MS #658: WPA3 Downgrade Attacks

7MS #658: WPA3 Downgrade Attacks

Hey friends, today we cover: The shiny new 7MinSec Club BPATTY updates A talk-through of the WPA3 downgrade attack, complemented by the YouTube livestream

17 Tammi 32min

7MS #657: Writing Rad Security Documentation with Retype

7MS #657: Writing Rad Security Documentation with Retype

Hello friends!  Today we’re talking about a neat and quick-to-setup documentation service called Retype.  In a nutshell, you can get Retype installed on GitHub pages in about 5 minutes and be writing beautiful markdown pages (with built-in search) immediately.  I still absolutely love Docusaurus, but I think Retype definitely gives it a run for its money.

10 Tammi 20min

7MS #656: How to Succeed in Business Without Really Crying - Part 21

7MS #656: How to Succeed in Business Without Really Crying - Part 21

Happy new year friends! Today we talk about business/personal resolutions, including: New year’s resolution on the 7MinSec biz side to have a better work/life balance New training offering in the works Considering Substack as a communications platform A mental health booster that I came across mostly by accident

3 Tammi 45min

7MS #655: Happy Hacking Holidays

7MS #655: Happy Hacking Holidays

Today we’re doing a milkshake of several topics: wireless pentest pwnage, automating the boring pentest stuff with cursor.ai, and some closing business thoughts at 7MinSec celebrates its 7th year as a security consultancy.  Links discussed today: AWUS036ACH wifi card (not my favorite anymore) Panda PAU09 N600 (love this one!) The very important Github issue that helped me better understand BPFs and WPA3 attacks TrustedSec article on WPA3 downgrade attacks

30 Joulu 202458min

7MS #654: Tales of Pentest Pwnage – Part 67

7MS #654: Tales of Pentest Pwnage – Part 67

Today we’ve got some super cool stuff to cover today!  First up, BPATTY v1.4 is out and has a slug of cool things: A whole new section on old-school wifi tools like airmon-ng, aireplay-ng and airodump-ng Syntax on using two different tools to parse creds from Dehashed An updated tutorial on using Gophish for phishing campaigns The cocoa-flavored cherry on top is a tale of pentest pwnage that includes: Abusing SCCM Finding gold in SQL configuration/security audits

13 Joulu 202441min

7MS #653: How to Succeed in Business Without Really Crying – Part 20

7MS #653: How to Succeed in Business Without Really Crying – Part 20

Hey friends, today we’re talking about tips to effectively present your technical assessment to a variety of audiences – from lovely IT and security nerds to C-levels, the board and beyond!

6 Joulu 202449min

7MS #652: Securing Your Mental Health - Part 6

7MS #652: Securing Your Mental Health - Part 6

Today’s episode talks about some things that helped me get through a stressful and hospital-visit-filled Thanksgiving week, including: Journaling Meditation (An activity I’m ashamed of but has actually done wonders for my mental health)

2 Joulu 202441min

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