""ET WEB_CLIENT Microsoft Tech Support Scam M1 2016-09-15""

SID: 2023235

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_09_15, deployment Perimeter, signature_severity Major, tag Phishing, updated_at 2016_09_15

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: to_client,established

Contents:

  • Value: "200"

  • Value: "Content-Type|3a 20|text/html"

  • Value: "Download Security Essentials"

  • Value: "Malicious Software Removal"

  • Value: "<audio"

  • Value: "autoplay="

  • Value: "autoplay"

  • Value: "audio/mpeg"

  • Value: "getURLParameter"

  • Value: "setTimeout"

Within:

PCRE:

Special Options:

  • http_stat_code

  • http_header

  • file_data

  • nocase

  • fast_pattern

  • nocase

  • nocase

  • nocase

  • nocase

source