""ET DOS High Orbit Ion Cannon (HOIC) Attack Inbound Generic Detection Double Spaced UA""

SID: 2014153

Revision: 5

Class Type: attempted-dos

Metadata: created_at 2012_01_28, updated_at 2022_05_03

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "User-Agent|3a 20 20|"

  • Value: "User-Agent|3a 20 20|"

Within:

PCRE:

Special Options:

  • http_raw_header

source