Posts Tagged ‘zip files’

Master Keys and Vulnerabilities

Jul

2013

Last weeks have been quite busy with announcements of either master keys or Chinese master keys being unveiled, all of them qualifying as critical vulnerabilities for the Android platform. Although things have finally calmed a bit, we are still waiting for the final act in Las Vegas at Black Hat USA, where Jeff Forristal (the […]

Category General Written by Securelist / Blog 0 Comments

Custom Attachment Names and Passwords for Trojans

Jul

2013

Websense® Security Labs™ researchers, using our Websense ThreatSeeker® Intelligence Cloud, recently noticed an increased use of custom-generated attachment file names, and some use of password-protected ZIP files. Emails with banking/financial themes are being sent with executables packed in ZIP files, with file names matching the intended recipient. When the attachment runs on a victim's computer, a Trojan from the Zbot P2P family […]

Category Security Written by Websense 0 Comments

Phishing Threat Uses UTF-8 BOM in ZIP Signature to Evade Detection

Apr

2013

Last week, we noticed thousands of malware files in the wild that employ a simple phishing attack by modifying the hosts file on Windows systems. What’s interesting, however, is the technique chosen by the malware authors to distribute their payload. The samples in question (Example MD5: 34d9b42bfd64c6f752fe27eef8d80c5f) are packaged in a ZIP file along with […]

Category General Written by Blog Central > McAfee Labs 0 Comments

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Posts Tagged ‘zip files’

Master Keys and Vulnerabilities

Custom Attachment Names and Passwords for Trojans

Phishing Threat Uses UTF-8 BOM in ZIP Signature to Evade Detection

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