""ET CURRENT_EVENTS Malicious Fake JS Lib Inject""

SID: 2025151

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2017_12_15, deployment Perimeter, performance_impact Low, signature_severity Major, tag Web_Client_Attacks, updated_at 2017_12_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: ".min.php"

  • Value: "default_keyword="

  • Value: "<"

  • Value: !"/script>"

Within: 8

PCRE: "/^[\x22\x27+\s]\/[\x22\x27+\s]s[\x22\x27+\s]c[\x22\x27+\s]r[\x22\x27+\s]i[\x22\x27+\s]p[\x22\x27+\s]t[\x22\x27+\s]>/Rsi"

Special Options:

  • file_data

  • nocase

  • fast_pattern

source