At DerbyCon V (2015), I presented on Active Directory Attack & Defense and part of this included how to detect & defend against PowerShell attacks. Update: I presented at BSides Charm (Baltimore) on PowerShell attack & defense in April 2016. More information on PowerShell Security: PowerShell Security: PowerShell Attack Tools, Mitigation, & Detection The most …
Category: Malware
May 11 2015
Detecting Mimikatz Use
Benjamin Delpy published some YARA rules in detecting Mimikatz use in your environment. More information on Mimikatz capability is in the “Unofficial Mimikatz Guide & Command Reference” on this site. YARA is described as: YARA is a tool aimed at (but not limited to) helping malware researchers to identify and classify malware samples. With YARA …
Jan 16 2015
Active Directory Domain Controller Skeleton Key Malware & Mimikatz
Dell SecureWorks posted about the Skeleton Key malware discovered at a customer site. The Skeleton Key malware is installed on one or multiple Domain Controllers running a supported 64bit OS. The malware “patches” the security system enabling a new master password to be accepted for any domain user, including admins. This enables the attacker to …
Dec 19 2014
US-Cert’s Alert (TA14-353A): Targeted Destructive Malware
US-Cert has an excellent post on the Sony Malware: Alert (TA14-353A) Targeted Destructive Malware Overview US-CERT was recently notified by a trusted third party of cyber threat actors using a Server Message Block (SMB) Worm Tool to conduct cyber exploitation activities recently targeting a major entertainment company. This SMB Worm Tool is equipped with a …
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