""ET CURRENT_EVENTS Possible Evil Redirector Leading to EK Nov 09 2015 M2""

SID: 2022071

Revision: 5

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_11_11, deployment Perimeter, signature_severity Major, tag Redirector, updated_at 2015_11_18

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: ".php?id=4" Depth: 25 Offset: 4

  • Value: !"|0d 0a|Cookie|3a|"

  • Value: !".hostingcatalog.com|0d 0a|"

Within:

PCRE: "/^\/[a-z]{3,20}.php\?id=4[A-F0-9]{39,200}$/U"

Special Options:

  • http_uri

  • http_header

  • nocase

source