""ET TROJAN Observed Malicious SSL Cert (Blackrota)""

SID: 2031236

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2020_11_25, deployment Perimeter, malware_family Blackrota, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2020_11_25, 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: established,to_client

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|06 03 55 04 06|"

  • Value: "|02|US"

  • Value: "|06 03 55 04 08|"

  • Value: "|07|Arizona"

  • Value: "|06 03 55 04 07|"

  • Value: "|0a|Scottsdale"

  • Value: "|06 03 55 04 0a|"

  • Value: "|06|Amazon"

  • Value: "|06 03 55 04 0b|"

  • Value: "|0f|Starfield Class"

  • Value: "|06 03 55 04 03|"

  • Value: "|0c|blackrato.ga"

  • Value: "|06 03 55 04 06|"

  • Value: "|02|US"

  • Value: "|06 03 55 04 08|"

  • Value: "|07|Arizona"

  • Value: "|06 03 55 04 07|"

  • Value: "|0a|Scottsdale"

  • Value: "|06 03 55 04 0a|"

  • Value: "|06|Amazon"

  • Value: "|06 03 55 04 0b|"

  • Value: "|0f|Starfield Class"

  • Value: "|06 03 55 04 03|"

  • Value: "|0c|blackrato.ga"

Within: 13

PCRE:

Special Options:

  • fast_pattern

source