""ET CURRENT_EVENTS Successful Credential Phish M3 2022-09-23""

SID: 2038964

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_09_23, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2022_09_23, 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: "telegramsms.php"

  • Value: "otp=" Depth: 4

  • Value: "&sms="

Within:

PCRE: "/telegramsms.php$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

  • http_client_body

source