""ET CURRENT_EVENTS Successful Dynamic Folder Phishing 2016-01-08""

SID: 2032670

Revision: 3

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2016_01_08, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2022_05_03, 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: established,to_server

Contents:

  • Value: "POST"

  • Value: ".php?"

  • Value: ".php?"

  • Value: "user=" Depth: 5

  • Value: "&pass="

Within:

PCRE: "/^POST[^\r\n]+(?P[a-f0-9]{32})\/(?:[^\r\n]+\r\n)+Referer\x3a\x20http(s)?:\/\/[^\r\n]+(?P=hash)/mi"

Special Options:

  • http_method

  • nocase

  • http_uri

  • http_header

  • nocase

  • fast_pattern

  • http_client_body

  • nocase

  • http_client_body

source