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

SID: 2022100

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2015_11_17, deployment Perimeter, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2015_11_17, reviewed_at 2024_04_15, 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,from_server

Contents:

  • Value: "|2a 86 48 86 f7 0d 01 09 01|"

  • Value: "|1a|certs_division@sslslf.info"

Within: 27

PCRE:

Special Options:

source