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Malicious Utility Can Defeat Windows PatchGuard

In 2012, my colleagues Deepak Gupta and Xiaoning Li explained in a white paper how some malware can operate at...

McAfee Labs

Targeted Attacks on French Company Exploit Multiple Word Vulnerabilities

Spear phishing email is a major worry to any organization. Messages that appear legitimate and specific fool us more often...

McAfee Labs

Dofoil Downloader Update Adds XOR-, RC4-Based Encryption

This blog was written by Sanchit Karve. The Dofoil downloader (found in the wild since 2011) occasionally updates itself with...

McAfee Labs

CryptoWall Ransomware Built With RC4 Bricks

Last month many Internet users were suddenly forced to trade in Bitcoins. This was not for general purposes–they were paying...

McAfee Labs

Operation Dragonfly Imperils Industrial Protocol

Recent headlines (here and here) may have struck fear into those living near major energy installations due to references about...

McAfee Labs

GameOver Zeus/Cryptolocker: Am I Still Infected?

It has been two weeks since the announcement by multiple global law enforcement agencies regarding the takedown of the communications...

McAfee Labs

A Glance Into the Neutrino Botnet

Lately, we have seen a number of communications through our automated framework from the Neutrino botnet. While analyzing this botnet,...

McAfee Labs

Information Operations an Integral Part of Cyberwarfare

Weapons and the skills to use them are not the only decisive elements in warfare. Rhetoric and imagery are important,...

McAfee Labs

Iranian Keylogger Marmoolak Enters via Backdoor

Targeted attacks have several stages, sometimes called the APT kill chain. At McAfee Labs we prefer the model described by...

McAfee Labs

Necurs, Zbot Use Obfuscated Windows XP Detection to Bypass Analysis

This blog was written by Sanchit Karve. McAfee Labs has recently come across a number of malware samples that drop...

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