Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed ClipBanker Related Domain (officepackage .sourceforge .io) in TLS SNI"; flow:established,to_server; tls.sni; bsize:28; content:"officepackage.sourceforge.io"; fast_pattern; reference:url,securelist.com/miner-clipbanker-sourceforge-campaign/116088/; classtype:command-and-control; sid:2061426; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2025_04_10, deployment Perimeter, malware_family ClipBanker, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_04_10, mitre_tactic_id TA0037, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)