alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Swizzor Checkin"; flow:established,to_server; http.method; content:"GET"; nocase; http.uri; content:"c="; content:"&wv="; content:"&wd="; content:"&ie="; http.user_agent; bsize:20; content:"NSISDL|2f|1|2e|2|20 28|Mozilla|29|"; classtype:successful-recon-limited; sid:2008347; rev:9; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_07;)