""ET INFO Dotted Quad Host M3 (noalert)""

SID: 2021069

Revision: 1

Class Type: bad-unknown

Metadata: created_at 2015_05_08, updated_at 2015_05_08

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "Host|3a 20|3"

Within:

PCRE: "/^Host\x3a\x203\d{0,1}.\d{1,3}.\d{1,3}.\d{1,3}\r$/Hm"

Special Options:

  • http_header

source