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Snorpy a Web Base Tool to Build Snort/Suricata Rules, (Sat, Jan 12th)

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Snorpy is a web base application to easily build Snort/Suricata rules in a graphical way. It is simple to use starting from the Action and Protocol fields and as you pick each field, the rule builder shows the rule in the bottom window. Before setting up your own local copy, you want to test a live version maintained by the author go here.

This is an example of an existing Snort rule entered via the interface. The rule used for my example is from Emergingthreats with sid:2002809.

alert tcp any 21 -> $HOME_NET any (msg:"ET ATTACK_RESPONSE Hostile FTP Server Banner (StnyFtpd)"; flow:established,from_server; content:"220 StnyFtpd 0wns j0"; offset:0; nocase; reference:url,doc.emergingthreats.net/bin/view/Main/2002809; classtype:trojan-activity; sid:2002809; rev:5; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Note: You have to excape any of the special characters in the MSG fields (see example), just make sure you remove them after you copy the rule. There are a few...(continued)

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