""ET INFO Browser Plugin Detect - Observed in Apple Phishing""

SID: 2024978

Revision: 2

Class Type: bad-unknown

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_11_08, deployment Perimeter, signature_severity Minor, tag Phishing, updated_at 2017_11_08

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: "/ping.html"

  • Value: ".html?appIdKey="

  • Value: "data=eyJwbHVnaW4i" Depth: 17

Within:

PCRE: "/^data=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/Pi"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_client_body

  • fast_pattern

source