Versions (5)
Version DetailsCurrent
Rev: 1 • Jun 18, 2020, 12:00 PMET MALWARE Observed Malicious SSL Cert (MalDoc DL 2020-06-18)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (MalDoc DL 2020-06-18)"; flow:established,to_client; tls.cert_subject; content:"CN=armybar.hopto.org"; nocase; endswith; reference:md5,afbe00e755a2cf963f0eedbb4e310198; classtype:domain-c2; sid:2030350; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2020_06_18, deployment Perimeter, malware_family Maldoc, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_18, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Jun 18, 2020, 12:00 PM
Jun 18, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 17, 2025, 9:34 PM
rules/emerging-malware.rules