Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Suspicious Use of rzd URL Shortener Service"; flow:established,to_server; http.method; content:"HEAD"; http.host; content:"rzd.ac"; bsize:6; fast_pattern; classtype:policy-violation; sid:2031647; rev:1; metadata:created_at 2021_02_22, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_02_22;)