Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Microsoft Malware Protection User-Agent Observed to Non-Microsoft Domain"; flow:to_server,established; http.user_agent; content:"MpCommunication"; depth:15; fast_pattern; http.host; content:!".microsoft.com"; isdataat:!1,relative; classtype:misc-activity; sid:2030850; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_09_09, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_09;)