""ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Gootkit CnC)""
SID: 2022234
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_and_Server, created_at 2015_12_08, deployment Perimeter, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2015_12_08, reviewed_at 2024_04_15, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: [80,443]
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
-
Value: "|55 04 03|"
-
Value: "|0a|google.com"
-
Value: "@google.com"
-
Value: "|0a|google.com"
Within: 11
PCRE:
Special Options:
- fast_pattern