""ET TROJAN Win32/TrickBot CnC Initial Checkin M2""

SID: 2033659

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_11_09, deployment Perimeter, former_category MALWARE, malware_family TrickBot, signature_severity Major, updated_at 2022_03_24

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "_W"

  • Value: "/5/file/"

  • Value: "User-Agent|3a 20|curl/"

  • Value: !"Referer|3a|"

  • Value: !"Accept"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

  • http_header

  • http_header

source