[VoiceOps] Twitter Blacklist feed

[J. Oquendo]

So I rebuilt/redesigned/re-deployed a script to add bad
hosts to a blacklist. Script is monitoring my SBCs, hosted
PBXs, etc., aggregated, sorted, then reported. Tried to
remove duplicate addresses. Also, because I deal with
forensics and malware, I did a similar script for bad sites
that are serving out malware.

For VoIP attacks, one can make a script to check for VoIP
based attackers and block them on the fly. E.g,:

links -dump twitter.com/efensive|awk '/VoIP/'

To make say an automated ipfilter rule:

links -dump twitter.com/efensive |\
awk '{print "iptables -A INPUT -s "$1" -j DROP"}' |sort -u|\
sh

Same goes for any other style rule (ASA, PIX, ScreenOS on
the command line) You get the point. Enjoy. (Cross posted to
Voice Ops)

-- 
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J. Oquendo
SGFA, SGFE, C|EH, CNDA, CHFI, OSCP, CPT, RWSP, GREM

"Where ignorance is our master, there is no possibility of
real peace" - Dalai Lama

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