""ET WEB_CLIENT PWNJS JS Constructs""

SID: 2024994

Revision: 2

Class Type: attempted-user

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_11_15, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2017_11_15

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "base_lo"

  • Value: "base_hi"

  • Value: "fake_object"

  • Value: "i32"

  • Value: "f64"

  • Value: "array_addr"

Within:

PCRE: "/^\s?[\s?\d/Rs"

Special Options:

  • file_data

  • fast_pattern

source