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

SID: 2023727

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2017_01_11, 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:

• Link

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "|09 00 ac 80 a0 72 11 64 df 3f|"

• Value: "|06 03 55 04 03|"

• Value: "|15|localhost.localdomain"

Within: 22

PCRE:

Special Options:

• fast_pattern

source