""ET TROJAN UsefulTyphon CnC Activity M1""

SID: 2036502

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_10_06, deployment Perimeter, malware_family Kimsuky, signature_severity Major, updated_at 2020_10_06

Reference:

  • md5

  • 768c84100d6e3181a26fa50261129287

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: "/image?i="

  • Value: "&u="

  • Value: "&p="

  • Value: !"Accept|3a 20|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/&u=[a-f0-9]{16}&p=/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

  • http_header

source