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

SID: 2023476

Revision: 4

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2016_11_02, deployment Perimeter, former_category MALWARE, performance_impact Low, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2017_02_23, 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,from_server

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|03 02 01 02 02 09 00|"

  • Value: "|30 09 06 03 55 04 06 13 02|"

  • Value: "|55 04 07|"

  • Value: "|55 04 0a|"

  • Value: "|55 04 03|"

  • Value: !"www."

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

  • Value: !"GoDaddy"

Within: 4

PCRE: "/^.{2}(?P(?:(?:\d?[A-Z]?|[A-Z]?\d?)(?:[a-z]{3,20}|[a-z]{3,6}[0-9_][a-z]{3,6}).){0,2}?(?:\d?[A-Z]?|[A-Z]?\d?)[a-z]{3,}(?:[0-9_-][a-z]{3,})?.(?!com|org|net|tv)[a-z]{2,9})[01].*?(?P=CN)[01]/Rs"

Special Options:

  • fast_pattern

source