""ET INFO Suspicious Windows NT version 1 User-Agent""

SID: 2015898

Revision: 5

Class Type: bad-unknown

Metadata: created_at 2012_11_20, updated_at 2023_04_18

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "Windows NT 1"

  • Value: !"0"

Within: 1

PCRE: "/^User-Agent\x3a[^\r\n]+Windows NT 1[^0-9]/Hmi"

Special Options:

  • nocase

  • http_header

  • http_header

source