""ET TROJAN Observed Malicious SSL Cert (APT MustangPanda CnC)""

SID: 2028824

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2019_10_14, deployment Perimeter, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, tag MustangPanda, tag TA416, updated_at 2019_10_14, 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: any

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|62 ca be 68|"

  • Value: "|55 04 03|"

  • Value: "|0c|Adobe|20|Reader"

  • Value: "|55 04 03|"

  • Value: "|0c|Adobe|20|Reader"

Within: 13

PCRE:

Special Options:

  • fast_pattern

source