Michael Rash, Security Researcher

Cipherdyne Security Software

This site is dedicated to the design and development of free and open source security software for Unix-style operating systems. There are four main projects available on this site along with some additional supporting code (all created by Michael Rash and released under the Gnu Public License):

fwknop    Single Packet Authorization daemon (mailing list).
afl-cov    Code coverage for AFL fuzzing cycles.
psad    iptables log analysis and IDS tool (mailing list).
fwsnort    Translates Snort rules into an equivalent iptables policy (mailing list).
gpgdir    Recursively encrypts/decrypts whole directories with GnuPG.

RPM Builder    Automatically build RPM's for the latest versions of the Cipherdyne projects.
perl modules    perl modules developed for Cipherdyne security projects.
s_loadenv Recon    Reconnaissance script to analyze Apache web logs for DOCUMENT_ROOT attacks.    Script to parse base64 records and print byte frequencies.

If you wish to support any of these projects, please consider making a donation through Paypal:

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This site is powered by apache, vim, rsync, git, and custom perl code. The main theme design for this site is provided by the Daleri themes by Andreas Viklund (with custom perl code to manage the static html pages instead of Wordpress).

Blog archives can be found here.