""ET MALWARE Win32/YTDDownloader.F Variant CnC Activity""

SID: 2029546

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_27, deployment Perimeter, signature_severity Minor, updated_at 2020_02_27

Reference:

  • md5

  • 5e438deb5e2dd34dcf6e96c8c97f8981

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: "/images/pixel.gif?action=install&point=start&version=" Depth: 53

  • Value: "&lngid="

  • Value: "&cid="

  • Value: "&isn="

  • Value: "&kt="

  • Value: "&lt=0"

Within:

PCRE: "/&lt=0$/U"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

source