7MS #533: Tales of Pentest Pwnage - Part 40

7MS #533: Tales of Pentest Pwnage - Part 40

Ok, ok, I know. I almost always say something like "Today is my favorite tale of pentest pwnage." And guess what? Today is my favorite tale of pentest pwnage, and I don't even know how it's going to end yet, so stay tuned to next week's (hopefully) exciting conclusion. For today, though, I've got some pentest tips to hopefully help you in your journeys of pwnage:

  • PowerHuntShares is awesome at finding SMB shares and where you have read/write permissions on them. Note there is a -Threads flag to adjust the intensity of your scan.
  • Are your mitm6 attacks not working properly - even though they look like they should? There might be seem LDAP/LDAPs protections in play. Use LdapRelayScan to verify!
  • Are you trying to abuse Active Directory Certificate Services attack ESC1 but things just don't seem to be working? Make sure the cert you are forging is properly representing the user you are trying to spoof by using Get-LdapCurrentUser.ps1. Also look at PassTheCert as another tool to abuse ADCS vulnerabilities.

Example syntax for LdapCurrentUser:

Get-LdapCurrentUser -certificate my.pfx -server my.domain.controller:636 -usessl -CertificatePassword admin

  • If you manage to get your hands on an old Active Directory backup, this PowerShell snippet will help you get a list of users from the current domain, sorted by passwordlastset. That way you can quickly find users who haven't changed their password since the AD backup:

get-aduser -filter * -server victimdomain.local -properties pwdlastset,passwordlastset,enabled | where { $_.Enabled -eq $True} | select-object samaccountname,passwordlastset | sort-object passwordlastset

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7MS #8: CISSP – Is That the Cert for Me? (audio)

7MS #8: CISSP – Is That the Cert for Me? (audio)

In this episode I talk about my experience prepping for the CISSP exam. Download: Episode 8: CISSP – Is That the Cert for Me? (audio) Show notes: I used this book as my primary study tool. It comes with a whole slew of companion materials like a pre-assessment test, flashcards and 3 full practice exams.…

22 Maalis 20147min

7MS #7: External Vulnerabilities that Byte (audio)

7MS #7: External Vulnerabilities that Byte (audio)

Episode lucky #7!!! In this episode I talk about external network vulnerabilities that we see in many of our assessments – some of which are pretty easy to clear up. Download: Episode 7: External Vulnerabilities that Byte (audio) Show notes: RC4 – a risk that we find just about anywhere SSL is used, but in…

15 Maalis 20147min

7MS #6: Fun Firewall Rules – part 2 (audio)

7MS #6: Fun Firewall Rules – part 2 (audio)

In this episode I continue talking about some basic firewall rules that many organizations don’t have in place. Download: Episode 6: Fun Firewall Rules – part 2 (audio) Show notes: Limit outbound DNS requests to just the ISP servers (or whatever external servers you use). Anytime a firewall rule is changed, perform a vulnerability scan…

8 Maalis 20147min

7MS #5: Fun Firewall Rules – part 1 (audio)

7MS #5: Fun Firewall Rules – part 1 (audio)

In this episode I talk about some basic firewall rules that many organizations don’t have in place. Download: Episode 5: Fun Firewall Rules – part 1 (audio) Show notes: Block outbound port TCP 25 for all devices except your mail server(s). If you use a third party mail filter like Postini or Securence, ensure that…

1 Maalis 20147min

7MS #4: Patch Strategies: Part Deux (audio)

7MS #4: Patch Strategies: Part Deux (audio)

In this episode I continue talking about some dos and donts of patch strategies – this time talking about enterprise level gear. Download: Episode 4: Patch Strategies: Part Deux (audio) Show notes: There are often two trains of thought in regards to enterprise gear patching (like routers, switches, firewalls). 1. If it ain’t broke, don’t…

22 Helmi 20146min

7MS #3: Patch Strategies: Part 1 (audio)

7MS #3: Patch Strategies: Part 1 (audio)

In this episode I talk about some trends (and problems) we’re seeing on the patching front – specifically OS and third-party apps. Download: Episode 3: Patch Strategies: Part 1 (audio) Show notes: Most organizations have the Microsoft side of the house patched well – but the third party apps (Java/Flash/Reader/etc.)? Not so much…but that’s just…

13 Helmi 20147min

7MS #2: The Importance of Logging and Alerting! (audio)

7MS #2: The Importance of Logging and Alerting! (audio)

In this episode I talk about how a client of ours learned a hard lesson: that the lack of logging/alerting makes for a pretty miserable investigation after they were breached. Download: Episode 2: The Importance of Logging and Alerting! (audio) Show notes: Public-facing terminal servers without 2FA basically have a sign on their back that…

1 Helmi 20147min

7MS #1: Epic Introduction! (audio)

7MS #1: Epic Introduction! (audio)

In this episode, I talk about the inspiration behind the 7MS podcast and my vision for it going forward. (Admittedly, my ulterior motive is to use this intro episode to figure out how in the heck to get this podcast submitted and visible on iTunes :-). Download Episode 1: Epic Introduction to 7MS (MP3) I’ll…

1 Helmi 20147min

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