""ET CURRENT_EVENTS Successful Excel Phish Aug 15 2016""

SID: 2023061

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2016_08_15, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2017_07_12, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

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?cmd=login_submit"

  • Value: "login=" Depth: 6

  • Value: "&passwd="

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • nocase

  • fast_pattern

  • nocase

  • http_client_body

  • nocase

  • http_client_body

source