""ET CURRENT_EVENTS Possible HMRC Phishing Domain 2016-06-08""

SID: 2032387

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2016_06_08, deployment Perimeter, signature_severity Major, tag Phishing, updated_at 2017_10_06

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "GET"

  • Value: "online.hmrc.gov.uk"

  • Value: !"Referer|3a 20|"

  • Value: !"online.hmrc.gov.uk|0d 0a|"

Within:

PCRE: "/Host\x3a[^\r\n]+online.hmrc.gov.uk[^\r\n]+\r\n/Hmi"

Special Options:

  • http_method

  • http_header

  • fast_pattern

  • http_header

  • http_header

source