""ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL Certificate Detected (Sinkhole)""

SID: 2022907

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2016_06_21, deployment Perimeter, former_category MALWARE, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2022_03_14, 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: established,to_client

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|09 00 99 60 FE ED 86 B8 81 83|"

  • Value: "|06 03 55 04 0a|"

  • Value: "|0b|Sinkhole.Ru"

  • Value: "|06 03 55 04 03|"

  • Value: "|01 2a|"

Within: 2

PCRE:

Special Options:

  • fast_pattern

source