""ET WEB_CLIENT Tech Support Scam Landing Jul 19 2017""

SID: 2024480

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_07_18, deployment Perimeter, signature_severity Minor, tag Phishing, updated_at 2017_07_18

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

  • Value: "200"

  • Value: "function getSystemInfo"

  • Value: "OnChatTextKeyDown"

  • Value: "function scrollcheck"

  • Value: "function callconv"

  • Value: "function istyping"

  • Value: "function dochat"

Within:

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • nocase

  • nocase

  • fast_pattern

  • nocase

  • nocase

  • nocase

  • nocase

source