KB5010799: Out-of-band update for Windows Server 2008 SP2: January 17, 2022

KB5010799: Out-of-band update for Windows Server 2008 SP2: January 17, 2022 Summary This update resolves the following issues: Active Directory attributes are not written correctly during a Lightweight Directory Access Protocol LDAP modify operation with multiple specific attribute changes. Windo...

January 17, 2022—KB5010793 (OS Builds 19042.1469, 19043.1469, and 19044.1469) Out-of-band

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Citrix PVS soap server service does not start and crashes after installing Microsoft January 2022 Updates (E.g. KB5008877 or KB5009546)

Since installing Microsoft January 2022 Updates like KB5009546 or KB5008877 the Citrix PVS soap server service doesn't start anymore. When trying to start this service it crashes right away. While this happens the Citrix PVS API service also stops working. Soapserver.exe crashes Event 1000 .net...

Microsoft Yanks Buggy Windows Server Updates

Microsoft has yanked the Windows Server updates it issued on Patch Tuesday after admins found that the updates had critical bugs that break three things: They trigger spontaneous boot loops on Windows servers that act as domain controllers, break Hyper-V and render ReFS volume systems unavailable...

Active Directory Bugs Could Let hackers Take Over Windows Domain Controllers

Microsoft is urging customers to patch two security vulnerabilities in Active Directory domain controllers that it addressed in November following the availability of a proof-of-concept PoC tool on December 12. The two vulnerabilities — tracked as CVE-2021-42278 and CVE-2021-42287 — have a severi...

November 14, 2021—KB5008601 (OS Build 14393.4771) Out-of-band

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KB5008603: Authentication fails on domain controllers in certain Kerberos scenarios on Windows Server 2012 R2

KB5008603: Authentication fails on domain controllers in certain Kerberos scenarios on Windows Server 2012 R2 Summary This update addresses the following issue: Addresses a known issue that might cause authentication failures related to Kerberos tickets you acquired from Service for User to Self...

November 14, 2021—KB5008602(OS Build 17763.2305) Out-of-band

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KB5008606: Authentication fails on domain controllers in certain Kerberos scenarios on Windows Server 2008 SP2

KB5008606: Authentication fails on domain controllers in certain Kerberos scenarios on Windows Server 2008 SP2 Summary This update addresses the following issue: Addresses a known issue that might cause authentication failures related to Kerberos tickets you acquired from Service for User to Self...

Active-Directory-Exploitation-Cheat-Sheet

This is a cheat sheet for Windows Active Directory exploitation, containing common enumeration and attack methods. The repository is a collection of PowerShell scripts and modules that can be used to perform various attacks on Active Directory, including domain enumeration, lateral movement, and...

Researchers Uncover FIN8's New Backdoor Targeting Financial Institutions

A financially motivated threat actor notorious for setting its sights on retail, hospitality, and entertainment industries has been observed deploying a completely new backdoor on infected systems, indicating the operators are continuously retooling their malware arsenal to avoid detection and st...

Exploit for Improper Authentication in Microsoft

PoC exploit for CVE-2021-36949, a vulnerability in Azure AD Conn...

Chinese Hackers Target Major Southeast Asian Telecom Companies

Three distinct clusters of malicious activities operating on behalf of Chinese state interests have staged a series of attacks to target networks belonging to at least five major telecommunications companies located in Southeast Asian countries since 2017. "The goal of the attackers behind these...

AD Starter Scan - Unconstrained delegation

Binary data adsikerberosdeleg.nbin...

Microsoft warns of PetitPotam attack taking over Windows domains

By Deeba Ahmed Experts reveal that the PetitPotam attack forces remote Windows servers such as Domain Controllers to validate a malicious destination. This is a post from HackRead.com Read the original post: Microsoft warns of PetitPotam attack taking over Windows domains...

New PetitPotam NTLM Relay Attack Lets Hackers Take Over Windows Domains

A newly uncovered security flaw in the Windows operating system can be exploited to coerce remote Windows servers, including Domain Controllers, to authenticate with a malicious destination, thereby allowing an adversary to stage an NTLM relay attack and completely take over a Windows domain. The...

Exploit for CVE-2020-1472

PoC exploit for CVE-2020-1472 ZeroLogon vulnerability. The target product/service is Windows Domain Controller DC. The vulnerability class/vector is authentication bypass via all-zero challenge. The probable entry point is the Netlogon service, which is accessed via the Impacket library. Notable...

July 13, 2021—KB5004289 (Monthly Rollup)

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How to Mitigate Microsoft Print Spooler Vulnerability – PrintNightmare

This week, PrintNightmare - Microsoft's Print Spooler vulnerability CVE-2021-34527 was upgraded from a 'Low' criticality to a 'Critical' criticality. This is due to a Proof of Concept published on GitHub, which attackers could potentially leverage for gaining access to Domain Controllers. As we...

Exploit for CVE-2020-1472

PoC exploit for CVE-2020-1472, a vulnerability in the Windows Netlogon service that allows authentication bypass. The exploit uses the Impacket library to test the vulnerability and attempt to perform a Netlogon authentication bypass. It targets the Netlogon service on a domain controller and sen...