TrickBot Banking Trojan Adds New Browser Manipulation Tools

The TrickBot banking Trojan, a close relative to Dyre, has a growing target list and new browser manipulation techniques, experts at IBM X-Force said. “We expect to see it amplify infection campaigns and fraud attacks, sharpen its aim on business and corporate accounts,” wrote Limor Kessem,...

NewGOZ Gameover Zeus Botnet Rebuilds

It didn’t take long for an updated version of GameOver Zeus to make some headway in rebuilding itself. Research published today from Arbor Networks demonstrates that cybercriminals behind GameOver Zeus, which was taken down by law enforcement in early June, have renewed the botnet with at least...

FBI, European Authorities Go After GameOver Zeus Botnet

UPDATE–Law enforcement agencies in Europe and the United States, including Europol and the FBI, ran a coordinated takedown of the GameOver Zeus botnet on Friday, seizing servers and disrupting the botnet’s operation. Authorities say that the same botnet has been used to distribute the CryptoLocke...

GameOver Zeus Now Using Encryption to Bypass Detection

Cybercriminals have begun to tweak the way the GameOver Zeus Trojan is being delivered to users’ machines, making it easier for the banking malware to evade detection and steal victims’ credentials. To get the job done the malware has been working in tandem with the malware Upatre. For about a we...

Cutwail-Like Wigon.PH_44 Trojan Sends Spam, Steals Data

A new spambot has been discovered that generates copious amounts of HTTP POST and GET requests in an attempt to disguise what it’s really up to and throw off the scent of detection capabilities. “In this case, it seems like it’s trying to hide impactful communication where there are actual payloa...

Yahoo Removes Ads Redirecting to Magnitude Exploit Kit

The race to replace the Blackhole Exploit Kit as the web exploit pack of choice for cybercriminals seems to have an early leader in Magnitude. Researchers at Dutch security firm Fox-IT reported over the weekend that European visitors to Yahoo were falling victim to malicious ads hosted on the sit...

Cutwail Spam Botnet Feels Effect of Blackhole Takedown

The arrest of alleged hacker Paunch and the subsequent dismantling of the Blackhole Exploit Kit operation has cybercrime groups scrambling to find another automated means of delivering exploits. In the meantime, some are settling for old-school tactics that include infected email attachments and ...

Gameover Zeus Variant Sends Malicious Email Via Cutwail Botnet

The crew responsible for operating the Gameover variant of the infamous Zeus banking trojan is soliciting the enormous Cutwail botnet’s spamming capacity as an engine to fire off millions of malicious emails that seemingly originate from a number of recognizable U.S. banks. The fraudulent emails...