""ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (TorrentLocker CnC)""

SID: 2021938

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2015_10_08, deployment Perimeter, former_category MALWARE, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2022_03_13, 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: "|06|Denial"

  • Value: "|06 03 55 04 07|"

  • Value: "|0b|Springfield"

  • Value: "|06 03 55 04 0a|"

  • Value: "|03|Dis"

Within: 4

PCRE:

Special Options:

  • fast_pattern

source