🧵 (1/3) Some notes on fileless #Masky execution here.

Firstly, I shall grab the compiled Masky agent, convert it to a PowerShell script and prepare the cradle ⤵️

github.com/penetrarnya-tm…
🧵 (2/3) Now, when operating from Linux, I shall use @MrUn1k0d3r’s SCShell to invoke the cradle from SYSTEM context ⤵️

github.com/Mr-Un1k0d3r/SC…
🧵 (3/3) On the other hand, when operating from Windows, I shall use @magnusstubman’s TokenDuplicator (also converted to PS) to invoke the cradle and get my certificates ⤵️

github.com/magnusstubman/…

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More from @snovvcrash

Aug 26
🧶 (1/) Reproducing Masky Thread

So it’s a relaxing Friday evening to play with the new awesome #Masky tool by @_ZakSec. I’ll show you here how to reproduce its behavior with #CrackMapExec, #Impacket, #Sliver, #Certify and #Certipy.

Let’s go! ⤵️

#pentest #adcs
🧶 (2/) First things first, I shall enumerate AD CS environment with #CrackMapExec and qwinsta the Victim machine via newly introduced tstool[.]py from #Impacket (thx @nopernik!). For the purpose of this demo I’ll use a DA account to interact with the Victim but any LA will do 👨🏻‍💻
🧶 (3/) I shall now prepare my team server and generate an encrypted Sliver beacon to use it with DInjector 💉
Read 7 tweets
Jul 29
🧵 (1/x) Reanimating ADCSPwn thread (in a simple way) ⏬

You all know this great tool by @_batsec_, but unfortunately Microsoft broke it with one of those anti-PetitPotam patches a while ago ⏬

github.com/bats3c/ADCSPwn…

#lpe #adcs #petitpotam #webdav
🧵 (2/x) So that now the execution hangs like follows ⏬
🧵 (3/x) But guess what, there’s another super cool tool – Coercer (by @podalirius_) – which can be used to trigger the authentication with a different API that is not affected by the ad-hoc check provided in the patch ⏬
Read 5 tweets
Jul 1
[#HackStory 🧵] (1/4) Here’s a generic case of reaching a locked-down PC from a firewalled segment in AD. The background is: 172.16.66.6 (the target) can talk to 192.168.1.11 (a PWNed server) but not vice versa and to no one else in the foreseeable network 👀

#ad #pentest
(2/4) Being a DA an adversary can create an evil GPO that will coerce Immediate Scheduled Task execution on the target. The task downloads and executes a PS cradle pointing to the PWNed server. Sure, there’re fancy (py|Sharp)GPOAbuse, etc… But when it’s a pentest, who cares 😒
(3/4) Meanwhile, some v4tov4 port proxies are configured on the pivot point by the adversary via netsh 😈
Read 5 tweets
Oct 29, 2021
Yo, ho, was doing a bit of pentesting today. Inspired by @ippsec I shall give you my short story of 3 different paths to DA in 5 hours of work (hot pics are inside). Enjoy!
Path 1. DHCPv6 poisoning for initial access (thx to @_dirkjan)➡️authenticated PetitPotam to grab NTLMv1-SSP (thx to @topotam77)➡️ntlmv1-multi (thx to @Evil_Mog) + crack.sh to crack the response and get NT hash of DC➡️DCSync (thx to @SecureAuth) ImageImageImageImage
(1/2) Path 2. Scan the network to discover an MS17-010 unpatched system ➡️ Use AutoBlue-MS17-010 to perform the exploitation with an x86 shellcode ➡️ Dump LSASS via comsvcs.dll LOLBAS technique ➡️ Exfiltrate the dump with PowerShell ➡️ Parse it to get credz of a privileged user ImageImageImageImage
Read 5 tweets

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