Metasploit Weekly Wrap-Up

Wowza, a new credential gatherer and login scanner! This week Metasploit Framework gained a credential gatherer for Wowza Streaming Engine Manager. Credentials for this application are stored in a file named admin.password in a known location and the file is readable by default by BUILTIN\Users o...

Exploit for CVE-2022-26809

Cve-2022-26809 CVE-2022-26809 This repo just simply resear...

Exploit for CVE-2022-26809

Cve-2022-26809 CVE-2022-26809 This repo just simply resear...

DFSCoerce - PoC For MS-DFSNM Coerce Authentication Using NetrDfsRemoveStdRoot Method

PoC for MS-DFSNM coerce authentication using NetrDfsRemoveStdRoot method and probably more but am lazy and its just PoC :P . Documentation: https://docs.microsoft.com/en-us/openspecs/windowsprotocols/ms-dfsnm/95a506a8-cae6-4c42-b19d-9c1ed1223979 Inspired by: PetitPotam @topotam77...

New NTLM Relay Attack Lets Attackers Take Control Over Windows Domain

A new kind of Windows NTLM relay attack dubbed DFSCoerce has been uncovered that leverages the Distributed File System DFS: Namespace Management Protocol MS-DFSNM to seize control of a domain. "Spooler service disabled, RPC filters installed to prevent PetitPotam and File Server VSS Agent Service...

Metasploit Weekly Wrap-Up

PetitPotam Improvements Metasploit’s Ruby support has been updated to allow anonymous authentication to SMB servers. This is notably useful while exploiting the PetitPotam vulnerability with Metasploit, which can be used to coerce a Domain Controller to send an authentication attempt over SMB to...

Microsoft Patch Tuesday May 2022: Edge RCE, PetitPotam LSA Spoofing, bad patches

Hello everyone! This episode will be about Microsoft Patch Tuesday for May 2022. Sorry for the delay, this month has been quite intense. As usual, Im using my Vulristics project and going through not only the vulnerabilities that were presented on May 10th, but all the MS vulnerabilities presente...

Update now! Microsoft releases patches, including one for actively exploited zero-day

Microsoft has released patches for 74 security problems, including fixes for seven “critical” vulnerabilities, and an actively exploited zero-day vulnerability that affects all supported versions of Windows. First, well look at the actively exploited zero-day. Then well discuss two zero-days that...

Microsoft Patch Tuesday, May 2022 Edition

Microsoft today released updates to fix at least 74 separate security problems in its Windows operating systems and related software. This months patch batch includes fixes for seven "critical" flaws, as well as a zero-day vulnerability that affects all supported versions of Windows. By all...

PT-2022-3135 · Microsoft · File Server Shadow Copy Agent Service +1

Name of the Vulnerable Software and Affected Versions: Microsoft File Server Shadow Copy Agent Service RVSS affected versions not specified Description: The issue is related to insufficient access restrictions in the Microsoft File Server Shadow Copy Agent Service RVSS, which can be exploited by ...

Dropping Files on a Domain Controller Using CVE-2021-43893

On December 14, 2021, during the Log4Shell chaos, Microsoft published CVE-2021-43893, a remote privilege escalation vulnerability affecting the Windows Encrypted File System EFS. The vulnerability was credited to James Forshaw of Google Project Zero, but perhaps owing to the Log4Shell atmosphere,...

Metasploit Wrap-Up

Welcome, Little Hippo: PetitPotam Our very own @zeroSteiner ported the PetitPotam exploit to Metasploit this week. This module leverages CVE-2021-36942, a vulnerability in the Windows Encrypting File System EFS API, to capture machine NTLM hashes. This uses the EfsRpcOpenFileRaw function of the...

PetitPotam

Coerce an authentication attempt over SMB to other machines via MS-EFSRPC methods. Module Options msf use auxiliary/scanner/dcerpc/petitpotam msf auxiliarypetitpotam show actions ...actions... msf auxiliarypetitpotam set ACTION msf auxiliarypetitpotam show options ...show and set options... msf...

MultiPotato - Another Potato to get SYSTEM via SeImpersonate privileges

First of all - credit to @splintercode & @decoderit for RoguePotato as this code heavily bases on it. This is just another Potato to get SYSTEM via SeImpersonate privileges. But this one is different in terms of It doesn't contain any SYSTEM auth trigger for weaponization. Instead the code can be...

12 New Flaws Used in Ransomware Attacks in Q3

A dozen new vulnerabilities were used in ransomware attacks this quarter, bringing the total number of bugs associated with ransomware to 278. That’s a 4.5 percent increase over Q2, according to researchers. Five of the newbies can be used to achieve remote code execution RCE, while two can be us...

PetitPotam – NTLM Relay to AD CS

Deployment of an Active Directory Certificate Services AD CS on a corporate environment could allow system administrators to utilize it for establishing trust between different… Continue reading - PetitPotam - NTLM Relay to AD CS...

LockFile Ransomware Uses Never-Before Seen Encryption to Avoid Detection

Researchers discovered a novel ransomware emerging on the heels of the ProxyShell vulnerabilities discovery in Microsoft Exchange servers. The threat, dubbed LockFile, uses a unique “intermittent encryption” method as a way to evade detection as well as adopting tactics from previous ransomware...

LockFile Ransomware Bypasses Protection Using Intermittent File Encryption

A new ransomware family that emerged last month comes with its own bag of tricks to bypass ransomware protection by leveraging a novel technique called "intermittent encryption." Called LockFile, the operators of the ransomware have been found exploiting recently disclosed flaws such as ProxyShel...

ProxyShell and PetitPotam exploits weaponized by LockFile Ransomware Group

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. LockFile, a new ransomware gang, has been active since last week. LockFile began by using a publicly disclosed PetitPotam exploit CVE-2021-36942 to compromise Windows Domain Controllers earlier this week. Using ProxyShell...

Patch now! Microsoft Exchange is being attacked via ProxyShell

Last Saturday the Cybersecurity and Infrastructure Security Agency issued an urgent warning that threat actors are actively exploiting three Microsoft Exchange vulnerabilities—CVE-2021-34473, CVE-2021-34523, and CVE-2021-31207. These vulnerabilities can be chained together to remotely execute...