Featured Blogs
Yahoo Ads Serve Mobile Fake Alerts
“Android Armour,” a malicious knockoff of Armor For Android, has been circulating for some time with no end in sight, perhaps...
Trailing the Trojan njRAT
One Trojan that just won’t go away is the remote access tool njRAT. Microsoft recently took down a leading domain...
Android App SandroRAT Targets Polish Banking Users via Phishing Email
Europe is currently under attack by spammers trying to get control of Android devices. In Germany the distribution method is...
‘DHL’ SMS Spam Distributes Android Malware in Germany
One of the most common methods for distributing PC malware is the use of email spam messages that pose as...
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...
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...
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...
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...
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...
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...
