sublimemediumRule

Service abuse: GetAccept callback scam content

Detects callback scam language in messages sent through legitimate GetAccept infrastructure, indicating potential abuse of the service for fraudulent solicitation.

MITRE ATT&CK

T1566.003 T1598 T1566

initial-access

Detection Query

type.inbound
// Legitimate GetAccept sending infrastructure
and sender.email.domain.root_domain == 'getaccept.com'
and any(ml.nlu_classifier(body.current_thread.text).intents,
        .name == "callback_scam"
)

Data Sources

Email MessagesEmail HeadersEmail Attachments

Platforms

Raw Content

name: "Service abuse: GetAccept callback scam content"
description: "Detects callback scam language in messages sent through legitimate GetAccept infrastructure, indicating potential abuse of the service for fraudulent solicitation."
type: "rule"
severity: "medium"
source: |
  type.inbound
  // Legitimate GetAccept sending infrastructure
  and sender.email.domain.root_domain == 'getaccept.com'
  and any(ml.nlu_classifier(body.current_thread.text).intents,
          .name == "callback_scam"
  )

attack_types:
  - "Callback Phishing"
tactics_and_techniques:
  - "Out of band pivot"
  - "Social engineering"
detection_methods:
  - "Content analysis"
  - "Natural Language Understanding"
  - "Sender analysis"
id: "7ec2f70b-06e5-51bb-9ceb-a17cbe1e7ad5"