""ET TROJAN APT29 Duke Variant Malware CnC Checkin Observed""

SID: 2047644

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2023_08_14, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_08_14

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/api/v1/users/me/subscriptions"

  • Value: "User-Agent|3a 20|curl/"

  • Value: "Host|3a 20|toyy.zulipchat.com"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • fast_pattern

source