""ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Bancos/DarkTequila CnC)""

SID: 2022209

Revision: 5

Class Type: trojan-activity

Metadata: attack_target Client_and_Server, created_at 2015_12_02, deployment Perimeter, malware_family Bancos, malware_family DarkTequila, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, tag Banking_Trojan, updated_at 2022_03_14, reviewed_at 2024_04_15, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|06 03 55 04 0a|"

  • Value: "|27|Agency Protocols Management of Internet"

  • Value: "|06 03 55 04 03|"

  • Value: "|0d|bestylish.com"

Within: 14

PCRE:

Special Options:

  • fast_pattern

source