""ET TROJAN Observed Malicious SSL Cert (StrongPity CnC)""

SID: 2028926

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2019_10_31, deployment Perimeter, malware_family StrongPity, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_10_31, 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: any

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

• Value: "|16|"

• Value: "|0b|"

• Value: "|0E 4D 5A 5C F8 C9|"

Within: 8

PCRE:

Special Options:

• fast_pattern

source