alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Troj/ReRol.A Checkin 4"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/qsc.asp"; fast_pattern; http.user_agent; content:"Mozilla/4.0 (compatible|3b|)"; bsize:25; http.header_names; content:!"Accept"; content:!"Referer|0d 0a|"; reference:url,fireeye.com/blog/technical/threat-intelligence/2014/07/spy-of-the-tiger.html; classtype:command-and-control; sid:2018884; rev:4; metadata:created_at 2014_08_04, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_25;)