""ET CURRENT_EVENTS Successful UK Tax Phishing M2 2016-02-01""

SID: 2032278

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2016_02_01, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2017_10_02, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

  • md5

  • 8a14eb5764c7c9d01b2b64430933036d

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: ".php?&sessionid="

  • Value: "&securessl="

  • Value: "username=" Depth: 9

  • Value: "&password="

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_uri

  • nocase

  • http_client_body

  • nocase

  • http_client_body

source