""ET CURRENT_EVENTS Evil Redirector Leading to EK September 04 2015""

SID: 2021746

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2015_09_05, deployment Perimeter, signature_severity Major, tag Redirector, updated_at 2015_11_12

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "Set-Cookie|3a 20|_PHP_SESSION_PHP="

Within:

PCRE: "/^\d+\x3b/R"

Special Options:

source