""ET USER_AGENTS Suspicious User-Agent Fragment (WORKED)""

SID: 2012909

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2011_05_31, deployment Perimeter, signature_severity Major, tag User_Agent, updated_at 2011_07_23

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "WORKED"

Within:

PCRE: "/User-Agent\x3a[^\n]+WORKED/H"

Special Options:

  • http_header

source