alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE FAKE/ROGUE AV Encoded data= HTTP POST"; flow:established,to_server; http.method; content:"POST"; nocase; http.header; content:"Cache-Control|3a 20|no-cache|0d 0a|"; http.request_body; content:"data=/CjEfcLas0KCj/"; nocase; classtype:trojan-activity; sid:2009553; rev:8; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_09;)