alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Gamut Spambot Checkin 2"; flow:established,to_server; urilen:6; http.method; content:"POST"; http.uri; content:"/?8080"; fast_pattern; http.request_body; content:"name=|22|action|22 0d 0a 0d 0a|"; pcre:"/^(?:Get(?:Subscription(?:EmailsBlock|Content)|PTR|IP)|Port25(?:Close|Open))\x0d\x0a/R"; content:"name=|22|location|22 0d 0a 0d 0a|"; distance:0; pcre:"/^(?:winload(?:32)?|cmms)\x0d\x0a/R"; http.header_names; content:!"Referer|0d 0a|"; reference:url,www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/gamut-spambot-analysis; reference:md5,f00f3f47062646f900aa327b1d5ca3a1; classtype:command-and-control; sid:2018257; rev:6; metadata:created_at 2014_03_12, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_01;)