Posts Tagged ‘intrusion prevention system’

Boston Marathon Bombing Used in Malicious Spam Campaign

Apr

2013

On the afternoon of April 15, 2013, just when many people were on the cusp of conquering another personal milestone by completing the Boston Marathon, they were hit hard by an act of cowardice. Two bombs struck near the finish line of the Marathon on Monday. Within hours of the bomb blast, large malware-laden spam emails started doing […]

Category General Written by Symantec Security Response Blog 0 Comments

Evasion Techniques: Encoded JavaScript Attacks PDF Files

Feb

2013

Last week I kicked off a series of blogs with a discussion of how an effective IPS solution can fight obfuscation techniques by malware. This week, we’ll look at how JavaScript poses a danger when combined with PDF files.One of the easiest and most powerful ways to customize PDF files is by using JavaScript. JavaScript […]

Category General Written by Blog Central > McAfee Labs 0 Comments

Trojan Horse Using Sender Policy Framework

Jan

2013

Tweet It is important for malware authors to keep a solid network connection between their malware on compromised computers and their own servers so that the malware can receive commands and be updated. However, communication between the malware and the malware servers may be filtered by a gateway or local firewall, or blocked by an […]

Category General Written by Symantec Security Response Blog 0 Comments

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Posts Tagged ‘intrusion prevention system’

Boston Marathon Bombing Used in Malicious Spam Campaign

Evasion Techniques: Encoded JavaScript Attacks PDF Files

Trojan Horse Using Sender Policy Framework

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