7MS #593: Hacking Billy Madison - Part 3
7 Minute Security15 Loka 2023

7MS #593: Hacking Billy Madison - Part 3

Hey friends, today my Paul and I kept trying to hack the VulnHub machine based on the movie Billy Madison (see part 1 and 2). In our journey we learned some good stuff:

  • Port knocking is awesome using utilities like knock:
/opt/knock/knock 10.0.7.124 1466 67 1469 1514 1981 1986
  • Sending emails via command line is made (fairly) easy with swaks:
swaks --to eric@madisonhotels.com --from vvaughn@polyfector.edu --server 192.168.110.105:2525 --body "My kid will be a soccer player" --header "Subject: My kid will be a soccer player"

You could also use telnet and do this command by command - see this article from Black Hills Information Security for more info.

  • Hyda works good for spraying FTP creds:
hydra -l user -P passlist.txt ftp://192.168.0.1
  • Check out my quick cheat sheet about bettercap (see episode #522) for some syntax on extracting WPA handshake data from cap files:
# ...it looks like the new standard hash type might be m22000 per this article (https://hashcat.net/forum/thread-10253.html). In that case, here's what I did on the pcap itself to get it ready for hashcat: sudo /usr/bin/hcxpcapngtool -o readytocrack.hc22000 wifi-handshakes.pcap # Then crack with hashcat! sudo /path/to/hashcat -m22000 readytocrack.hc2000 wordlist.txt

Jaksot(681)

7MS #674: Tales of Pentest Pwnage – Part 71

7MS #674: Tales of Pentest Pwnage – Part 71

Today’s tale of pentest pwnage is another great one!  We talk about: The SPNless RBCD attack (covered in more detail in this episode) Importance of looking at all “branches” of outbound permissions that your user has in BloodHound This devilishly effective MSOL-account-stealing PowerShell script (obfuscate it first!) A personal update on my frustration with ringing in my ears

9 Touko 49min

7MS #673: ProxmoxRox

7MS #673: ProxmoxRox

Today we’re excited to release ProxmoxRox – a repo of info and scripts to help you quickly spin up Ubuntu and Windows VMs.  Also, some important news items: 7MinSec.club in-person meeting is happening Wednesday, May 14!  More details here. We did our second Tuesday TOOLSday this week and showed you some local privesc techniques when you have local admin on an endpoint

3 Touko 30min

7MS #672: Tales of Pentest Pwnage – Part 70

7MS #672: Tales of Pentest Pwnage – Part 70

Today’s a fun tale of pentest pwnage where we leveraged a WinRM service ticket in combination with the shadow credentials attack, then connected to an important system using evil-winrm and make our getaway with some privileged Kerberos TGTs!  I also share an (intentionally) vague story about a personal struggle I could use your thoughts/prayers/vibes with.

25 Huhti 55min

7MS #671: Pentesting GOAD

7MS #671: Pentesting GOAD

Hello! This week Joe “The Machine” Skeen and I kicked off a series all about pentesting GOAD (Game of Active Directory).  In part one we covered: Checking for null session enumeration on domain controllers Enumerating systems with and without SMB signing Scraping AD user account descriptions Capturing hashes using Responder Cracking hashes with Hashcat

18 Huhti 25min

7MS #670: Adventures in Self-Hosting Security Services

7MS #670: Adventures in Self-Hosting Security Services

Hi friends, today I’m kicking off a series talking about the good/bad/ugly of hosting security services. Today I talk specifically about transfer.zip. By self-hosting your own instance of transfer.zip, you can send and receive HUGE files that are end-to-end encrypted using WebRTC.  Sweet!  I also supplemented today’s episode with a short live video over at 7MinSec.club.

11 Huhti 36min

7MS #669: What I’m Working on This Week – Part 3

7MS #669: What I’m Working on This Week – Part 3

Hi friends, in this edition of what I’m working on this week: 3 pulse-pounding pentests that had…problems Something I’m calling the unshadow/reshadow credentials attack Heads-up on a new video experiment I’m going to try next week

4 Huhti 42min

7MS #668: Tales of Pentest Pwnage – Part 69

7MS #668: Tales of Pentest Pwnage – Part 69

Hola friends! Today’s tale of pentest pwnage talks about abusing Exchange and the Azure ADSync account! Links to the discussed things: adconnectdump – for all your ADSync account dumping needs! Adam Chester PowerShell script to dump MSOL service account dacledit.py (part of Impacket) to give myself full write privileges on the MSOL sync account: dacledit.py -action ‘write’ -rights ‘FullControl’ -principal lowpriv -target MSOL-SYNC-ACCOUNT -dc-ip 1.2.3.4 domain.com/EXCHANGEBOX$ -k -no-pass Looking to tighten up your Exchange permissions – check out this crazy detailed post

28 Maalis 30min

7MS #667: Pentesting GOAD SCCM - Part 2!

7MS #667: Pentesting GOAD SCCM - Part 2!

Hey friends, our good buddy Joe “The Machine” Skeen and I are back this week with part 2 (check out part 1!) tackling GOAD SCCM again!  Spoiler alert: this time we get DA!  YAY! Definitely check out these handy SCCM resources to help you – whether it be in the lab or IRL (in real life): GOAD SCCM walkthrough MisconfigurationManager – tremendous resource for enumerating/attacking/privesc-ing within SCCM This gist from Adam Chester will help you decrypt SCCM creds stored in SQL

21 Maalis 28min

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