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Files from Lee Bowyer

surfcontrolsmtp46.html

Posted Jul 20, 2003

Authored by Lee Bowyer | Site networkpenetration.com

SurfControl Filter for SMTP v4.6 filtering technology can be easily bypassed when more than 16 zip files are nested inside of a zip file. The filter only scans the first 15 files inside of a zip file, therefore allowing malicious files through.

tags | advisory

SHA-256 | 7f7a7c8a3fdfd9d45c5ba94f09507688d327706df17639120f7454885acb3b89

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firewall.steno.txt

Posted Sep 24, 2002

Authored by Lee Bowyer | Site networkpenetration.com

Bypassing firewalls through protocol stenography - You can often bypass firewalls by using trojans that send commands over port 80.

tags | paper, trojan, protocol

SHA-256 | f685fd1b46ed2b24b119f2bd1cb2183c29efd76645c61dc4ade029b9bf0c8d4d

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