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The Cridex Trojan Targets 137 Financial Organizations in One Go

01

Mar

2012

A few weeks ago M86 Security Labs alerted that cybercriminals managed to compromise hundreds of WordPress-based sites. These attacks started with several large spam campaigns as reported in our most recent blog post on Cutwail. These emails included embedded URL links or HTML attachments that tricked the user to browse to the compromised Web sites. […]

Category Security Written by M86 Security Labs Blog 0 Comments

Google serves ad for Adware/Spyware

04

Jan

2012

Last year, we wrote about Bing and Yahoo! serving ads leading to malicious websites. This week, it was Google who inserted ads for adware/spyware. I found a suspicious ad in my Google Reader for a free FLV player. I’ve recently shown that this type of free software is regularly repackaged with adware/spyware for profit. The ad leads […]

Category Security Written by Zscaler Research 0 Comments

Analyzing malicious files for writing network signatures

11

Nov

2011

Attackers continually modify malware in order to evade antivirus software. Attackers will pack or encrypt malicious files using various packers. Blocking each and every malicious executable is a challenging task for antivirus vendors. Most malicious files, once installed, try to download additional malware or send HTTP GET/POST requests to malicious servers controlled by attackers. Malicious […]

Category Security Written by Zscaler Research 0 Comments

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The Cridex Trojan Targets 137 Financial Organizations in One Go

Google serves ad for Adware/Spyware

Analyzing malicious files for writing network signatures

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