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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

Cutwail Drives Spike in Malicious HTML Attachment Spam

16

Feb

2012

Over the past month, we have observed several large spam campaigns with malicious HTML attachments. We believe the botnet behind these campaigns is Cutwail. Here is data we collected, starting from the first day of 2012, illustrating spikes of spam with malicious HTML attachments: Attaching an HTML file to an email is a tactic we […]

Category Security Written by M86 Security Labs Blog 0 Comments

Email with Malicious HTML Attachments

31

Jan

2012

Malware is often embedded in email as compressed attachments (such as .zip, .rar, etc.). Recently, however, Symantec has noticed an increase in malicious email attacks with .htm (HTML) attachments. Here is what the message looks like in your inbox: The attack contains a .htm attachment and obfuscated JavaScript is embedded in the coding of the […]

Category General Written by Symantec Security Response Blog 0 Comments

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The Cridex Trojan Targets 137 Financial Organizations in One Go

Cutwail Drives Spike in Malicious HTML Attachment Spam

Email with Malicious HTML Attachments

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