""ET CURRENT_EVENTS JavaScript DOS Injection""

SID: 2048488

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2023_10_06, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag DOS, updated_at 2023_10_06, reviewed_at 2024_08_19

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "var|20|targets|20 3d 20 7b|"

  • Value: "CONCURRENCY_LIMIT"

  • Value: "async|20|function|20|fetchWithTimeout"

  • Value: "async|20|function|20|flood|28|target|29|"

Within:

PCRE:

Special Options:

  • fast_pattern

source