""ET MALWARE Internet Optimizer Activity User-Agent (IOKernel)""

SID: 2001498

Revision: 35

Class Type: trojan-activity

Metadata: created_at 2010_07_30, updated_at 2019_08_14

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: " IOKernel/"

Within:

PCRE: "/User-Agent\:[^\n]+IOKernel/iH"

Special Options:

  • http_header

source