7MS #432: Tales of Internal Network Pentest Pwnage - Part 21
7 Minute Security16 Syys 2020

7MS #432: Tales of Internal Network Pentest Pwnage - Part 21

Yay! It's time for another tale of pentest pwnage! Highlights include:

  • Making sure you take multiple rounds of "dumps" to get all the delicious local admin creds.

  • Why lsassy is my new best friend.

  • I gave a try to using a Ubuntu box instead of Kali as my attacking system for this test. I had pretty good results. Here's my script to quickly give Ubuntu a Kali-like flair:

sudo apt-get update sudo apt-get upgrade -y sudo apt-get install openssh-server -y sudo apt-get install nmap curl dnsrecon git net-tools open-vm-tools-desktop python3.8 python3-pip unzip wget xsltproc -y #Aha helps take output from testssl.sh and make it nice and HTML-y sudo git clone https://github.com/theZiz/aha.git /opt/aha #Awesome-nmap-grep makes it easy to grep nmap exports for just the data you need! sudo git clone https://github.com/leonjza/awesome-nmap-grep.git /opt/awesome-nmap-grep #bpatty is...well...bpatty! sudo git clone https://github.com/braimee/bpatty.git /opt/bpatty #CrackMapExec is...awesome sudo mkdir /opt/cme cd /opt/cme sudo curl https://github.com/byt3bl33d3r/CrackMapExec/releases/download/v5.1.0dev/cme-ubuntu-latest.1.zip -L -o cme.zip sudo unzip cme.zip sudo chmod +x ./cme #eyewitness is a nice recon tool for putting some great visualization behind nmap scans sudo git clone https://github.com/FortyNorthSecurity/EyeWitness.git /opt/eyewitness cd /opt/eyewitness/Python/setup sudo ./setup.sh #impacket is "a collection of Python classes for working with network protocols" #I currently primarily use it for ntlmrelayx.py sudo git clone https://github.com/CoreSecurity/impacket.git /opt/impacket cd /opt/impacket sudo pip3 install . #mitm6 is a way to tinker with ip6 and get around some ip4-level protections sudo git clone https://github.com/fox-it/mitm6.git /opt/mitm6 cd /opt/mitm6 sudo pip3 install -r requirements.txt # install service-identity sudo pip3 install service-identity # lsassy sudo python3 -m pip install lsassy #nmap-bootstrap-xsl turns nmap scan output into pretty HTML sudo git clone https://github.com/honze-net/nmap-bootstrap-xsl.git /opt/nmap-bootstrap-xsl #netcreds "Sniffs sensitive data from interface or pcap" sudo git clone https://github.com/DanMcInerney/net-creds /opt/netcreds #PCCredz parses pcaps for sensitive data sudo git clone https://github.com/lgandx/PCredz /opt/pcredz #Powersploit is "a collection of Microsoft PowerShell modules that can be used to aid penetration testers during all phases of an assessment" sudo git clone https://github.com/PowerShellMafia/PowerSploit.git /opt/powersploit #PowerupSQL is a tool for discovering, enumerating and potentially pwning SQL servers! sudo git clone https://github.com/NetSPI/PowerUpSQL.git /opt/powerupsql #responder is awesome for LLMNR, NBT-NS and MDNS poisoning sudo git clone https://github.com/lgandx/Responder.git /opt/responder

Jaksot(703)

7MS #687: A Peek into the 7MS Mail Bag – Part 5

7MS #687: A Peek into the 7MS Mail Bag – Part 5

Hi friends, we're doing something today we haven't done in a hot minute: take a dip into the 7MinSec mail bag! Today we cover these questions: If I'm starting a solo business venture as a security consultancy, is it a good idea to join forces with other solo security business owners and form a consortium of sorts? Have you ever had anything go catastrophically wrong during a pentest? Yes, and this is an important link in the story: https://github.com/fortra/impacket/issues/1436 What ever happened with the annoying apartment neighbor who stomped around like a rhino when you made any noise during COVID? What happened to the "difficult family situation" you vaguely talked about a few months ago that involved police and lawyers – did that ever get resolved?

11 Elo 57min

7MS #686: Our New Pentest Training Course is Almost Ready

7MS #686: Our New Pentest Training Course is Almost Ready

Oh man, I'm so excited I can hardly sleep. Our new three-day (4 hours per day) training is getting closer to general release. I talk about the good/bad/ugly of putting together an attack-sensitive lab that students can abuse (but hopefully not break!), and the technical/curriculum-writing challenges that go along with it.

1 Elo 23min

7MS #685: The Time My Neighbor Almost Got Scammed Out of $13K

7MS #685: The Time My Neighbor Almost Got Scammed Out of $13K

Today's kind of a "story time with your friend Brian" episode: a tale of how my neighbor almost got scammed out of $13k. The story has a lot of red flags we can all keep in mind to keep ourselves (as well as kids/friends/parents/etc.) safer from these types of shenanigans.

25 Heinä 22min

7MS #684: Pwning Ninja Hacker Academy

7MS #684: Pwning Ninja Hacker Academy

Hey friends, today we start pwning Ninja Hacker Academy – cool CTF-style lab that has you start with no cred and try to conquer domain admin on two domains!

18 Heinä 22min

7MS #683: What I'm Working on This Week - Part 4

7MS #683: What I'm Working on This Week - Part 4

This week I'm working on a mixed bag of fun security and marketing things: A pentest I'm stuck on My latest lab CTF obsession: Ninja Hacker Academy A cool "about 7MinSec" marketing video that was recorded in a pro studio!

12 Heinä 30min

7MS #682: Securing Your Family During and After a Disaster – Part 7

7MS #682: Securing Your Family During and After a Disaster – Part 7

Today's episode is a downer! We talk about things you might want to have buttoned up for when you are eventually not alive anymore: Living will Buried vs. cremated? Funeral plans Funeral PHOTOS? I also talk about how my dad broke his ribs while trying to break a chimpmunk, and how a freak 4-wheeler accident also had my ribs in agony.

4 Heinä 30min

7MS #681: Pentesting GOAD – Part 3

7MS #681: Pentesting GOAD – Part 3

Today Joe "The Machine" Skeen and I pwn the third and final realm in the world of GOAD (Game of Active Directory): essos.local! The way we go about it is to do a WinRM connection to our previously-pwned Kingslanding domain, coerce authentication out of MEEREEN (the DC for essos.local) and then capture/abuse the TGT with Rubeus! Enjoy.

27 Kesä 18min

7MS #680: Tips for a Better Purple Team Experience

7MS #680: Tips for a Better Purple Team Experience

Today I share some tips on creating a better purple team experience for your customers, including: Setting up communication channels and cadence Giving a heads-up on highs/criticals during testing (not waiting until report time) Where appropriate, record videos of attacks to give them more context

20 Kesä 26min

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