Posts Tagged ‘spam filters’

The Hexadecimal URL Obfuscation Resurgence

May

2013

For that past several days, Symantec has observed an increase in spam messages containing hexadecimal obfuscated URLs. Hexadecimal character codes are simply the hexadecimal number to letter representation for the ASCII character set. To a computer, hexadecimal is just one out of the many systems for address expressions on the Internet.The following samples are different […]

Category General Written by Symantec Security Response Blog 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

Beware of Clicking the Web Translator Hyperlink

Apr

2013

Foreign languages are no longer as difficult to understand as they once were, thanks to improvements in web translation services, which instantly translate words and web pages. The website translator plug-in can expand your global world with an amazing and effortless approach by automatically recognizing foreign-language identifiers. Website translators require JavaScript to be enabled to […]

Category General Written by Blog Central > McAfee Labs 0 Comments

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Posts Tagged ‘spam filters’

The Hexadecimal URL Obfuscation Resurgence

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

Beware of Clicking the Web Translator Hyperlink

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