alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/SchwSonne CnC Beacon M2"; flow:established,to_server; content:"C|7c|P-UID-"; depth:8; fast_pattern; content:"|7c|Microsoft"; distance:0; content:"|7c|["; distance:0; content:"]|7c|"; distance:0; classtype:command-and-control; sid:2025252; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_01_25, deployment Perimeter, malware_family SchwartzSonnne, confidence High, signature_severity Major, tag c2, updated_at 2019_07_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)