Browsing Tag: malware

Mozilla Improves Malware Blocking in Firefox 31

Attackers have any number of methods for getting their malware onto users’ machines, but one of the easier and more effective ones is through drive-by downloads. Browser vendors have been adding defenses to mitigate this threat for some time, and the newest version of Mozilla Firefox includes an improved defense against malware downloaded through the[...]

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Critroni Crypto Ransomware Seen Using Tor for Command and Control

There’s a new kid on the crypto ransomware block, known as Critroni, that’s been sold in underground forums for the last month or so and is now being dropped by the Angler exploit kit. The ransomware includes a number of unusual features and researchers say it’s the first crypto ransomware seen using the Tor network for command and control.

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Large-Scale DDoS Attacks Continue to Spike

Categories: Hacks, Web Security

Although the average size of a given DDoS attack is going down, the number of attacks at the upper end of the scale is increasing, with researchers at Arbor Networks reporting more than 100 attacks of 100 Gbps in the first half of this year. In order for a DDoS attack to be effective, bad[...]

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Possible New Version of GameOver Zeus Malware Emerges

Categories: Malware, Web Security

It’s only been a little more than a month since the FBI and Europol took down the GameOver Zeus botnet, taking control of its command-and-control infrastructure and effectively cutting off the malware’s head. But researchers say that there are some indications that a new strain of the malware may already be active again. GameOver Zeus[...]

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Tinba Banker Trojan Source Code Leaked

Categories: Malware, Web Security

The source code for Tinba, known as the smallest banker Trojan in circulation, has been posted on an underground forum. Researchers say that the files turned out to be the source code for version one of Tinba, which was identified in 2012, and is the original, privately sold version of the crimeware kit. Tinba performs many[...]

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