App Layering - Best Practice for Printing

Best practice and guideline for printing in 2.x and 3.x. Create a printer layer for your printers for ease of updating and troubleshooting any problems Layering of printer drivers is recommended Use inbox drivers vs. 3rd party drivers Create a GPO or logon script to define a default layer...

Find Vulnerable Settings in AD Group Policy: Grouper

Grouper is a slightly wobbly PowerShell module designed for pentesters and redteamers although probably also useful for sysadmins which sifts through the usually very noisy XML output from the Get-GPOReport cmdlet part of Microsoft’s Group Policy module and identifies all the settings defined in...

January 17, 2018—KB4057144 (OS Build 15063.877)

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January 3, 2018—KB4056898 (Security-only update)

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ADRecon - Tool Which Gathers Information About The Active Directory

ADRecon is a tool which extracts various artifacts as highlighted below out of an AD environment in a specially formatted Microsoft Excel report that includes summary views with metrics to facilitate analysis. The report can provide a holistic picture of the current state of the target AD...

November 27, 2017—KB4051034 (Preview of Monthly Rollup)

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November 14, 2017—KB4048954 (OS Build 15063.726 and 15063.728)

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Cromos - Download and Inject code into Google Chrome extensions

Cromos is a tool for downloading legitimate extensions of the Chrome Web Store and inject codes in the background of the application and more cromos create executable files to force installation via PowerShell for example, and also upload files to dropbox to host the malicious files. Download...

Optional Windows NTLM SSO authentication changes

Microsoft is releasing an optional security enhancement to NT LAN Manager NTLM, limiting which network resources various clients in the Windows 10 or the Windows Server 2016 operating systems can use NTLM Single Sign OnSSO as an authentication method. When you deploy the new security enhancement...

September 28, 2017—KB4038801 (OS Build 14393.1737)

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KLA11104 Obsolete Adobe Flash Player for Windows

Microsoft released update to address vulnerabilities in Flash Player for Internet Explorer. For details look at KLA11103. Technical details To mitigate this vulnerability you can implement some of workarounds listed in original Microsoft advisory: disable Adobe Flash Player, prevent Adobe Flash...

Microsoft Addresses NTLM Bugs That Facilitate Credential Relay Attacks

NTLM has a long history of serious vulnerabilities and of causing anxiety for Windows and UNIX server admins. Their collective angst is unlikely to lessen today with the disclosure of a pair of new vulnerabilities in the protocol suite. Microsoft today patched one of the issues among its Patch...

Petya Ransomware: What You Need to Know

On Tuesday, a variant of the ransomware "Petya" began propagating in several countries across Europe. This new variant leverages the EternalBlue exploit used in WannaCry, and also takes advantage of misconfigured permissions to spread throughout the network. EternalBlue is a leaked exploit...

Microsoft to Remove SMBv1 Protocol in Next Windows 10 Version (RedStone 3)

The Server Message Block version 1 SMBv1 — a 30-year-old file sharing protocol which came to light last month after the devastating WannaCry outbreak — will be removed from the upcoming Windows 10 1709 Redstone 3 Update. The SMBv1 is one of the internet's most ancient networking protocols that...

How to Add StoreFront Site to Client Trust Site Zone

This article explains how to add StoreFront site to client trust site zone, via group policy...

March 14, 2017—KB4013198 (OS Build 10586.839)

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March 14, 2017—KB4012606 (OS Build 10240.17319)

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KLA10974 Obsolete Adobe Flash Player for Windows

Microsoft released update to address vulnerabilities in Flash Player for Internet Explorer. For details look at KLA10973. Technical details To mitigate this vulnerability you can implement some of workarounds listed in original Microsoft advisory: disable Adobe Flash Player, prevent Adobe FP from...

StoreFront SAML Troubleshooting Guide

During the installation and configuration of the SAML functionality introduced with StoreFront 3.9, there are various items to be aware of when performing a successful configuration. Although there are other issues you might encounter, this document will try to provide direction to help resolve...

KLA10937 Obsolete Adobe Flash Player for Windows

Microsoft released update to address vulnerabilities in Flash Player for Internet Explorer. For details look at KLA10936. Technical details To mitigate this vulnerability you can implement some of workarounds listed in original Microsoft advisory: disable Adobe Flash Player, prevent Adobe FP from...