[Emerging-Sigs] update for bogon nets (sids 2002749, 2002750)

Matt Jonkman jonkman at jonkmans.com
Sun May 18 20:38:33 EDT 2008


Got it, thanks Markus. Updating momentarily.

(Glad you're keeping an eye on these :) )

Matt

Markus Lude wrote:
> Hello,
> some updates for rules concerning bogon nets. Also see
> 
>   http://www.iana.org/assignments/ipv4-address-space
> 
> add: 14/8
> remove: 114/8, 115/8, 173/8, 174/8, 186/8, 187/8
> 
> alert ip [0.0.0.0/7,2.0.0.0/8,5.0.0.0/8,14.0.0.0/8,23.0.0.0/8,27.0.0.0/8,31.0.0.0/8,36.0.0.0/7,39.0.0.0/8,42.0.0.0/8,46.0.0.0/8,49.0.0.0/8] any -> $REAL_HOME_NET any (msg:"ET POLICY Reserved IP Space Traffic - Bogon Nets 1"; classtype:bad-unknown; reference:url,www.cymru.com/Documents/bogon-list.html; threshold: type limit, track by_src, count 1, seconds 360; sid:2002749; rev:5;)
> 
> alert ip [50.0.0.0/8,100.0.0.0/6,104.0.0.0/5,112.0.0.0/7,175.0.0.0/8,176.0.0.0/5,184.0.0.0/7] any -> $HOME_NET any (msg:"ET POLICY Reserved IP Space Traffic - Bogon Nets 2"; classtype:bad-unknown; reference:url,www.cymru.com/Documents/bogon-list.html; threshold: type limit, track by_src, count 1, seconds 360; sid:2002750; rev:11;)
> 
> Regards,
> Markus
> 
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> Emerging-sigs at emergingthreats.net
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Matthew Jonkman
Emerging Threats
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