""ET TROJAN Observed Malicious SSL/TLS Certificate (APT-C-55/BabyShark Staging Domain)""
SID: 2036888
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_and_Server, created_at 2022_06_07, deployment Perimeter, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2022_06_07, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: 443
Destination Network: $HOME_NET
Destination Port: any
Flow: from_server,established
Contents:
-
Value: "|16|"
-
Value: "|0b|"
-
Value: "|06 03 55 04 03|"
-
Value: "|0c|frebough.com"
Within: 13
PCRE:
Special Options:
- fast_pattern