""ET TROJAN APT34 TONEDEAF 2.0 Requesting Commands from CnC""

SID: 2029382

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_02_06, deployment Perimeter, malware_family TONEDEAF, performance_impact Low, signature_severity Major, updated_at 2020_02_06

Reference:

  • md5

  • a0324fa4f2d9d2f04ea4edad41160da6

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: "/dow?ser=" Depth: 9

  • Value: "Windows|20|Phone|20|OS"

Within:

PCRE: "/^\/dow\?ser=[a-z0-9]{6}$/Ui"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source