sublimemediumRule

Service abuse: IBM IAM account notification with callback scam indicators

Detects inbound messages abusing IBM's IAM account notification address that contain callback scam intent patterns identified through natural language analysis.

MITRE ATT&CK

T1566.003 T1598 T1566.002 T1598.003 T1566

initial-access

Detection Query

type.inbound
and sender.email.email == "ibmacct@iam.ibm.com"
and any(ml.nlu_classifier(body.current_thread.text).intents,
        .name == "callback_scam" and .confidence != "low"
)

Data Sources

Email MessagesEmail HeadersEmail Attachments

Platforms

Raw Content

name: "Service abuse: IBM IAM account notification with callback scam indicators"
description: "Detects inbound messages abusing IBM's IAM account notification address that contain callback scam intent patterns identified through natural language analysis."
type: "rule"
severity: "medium"
source: |
  type.inbound
  and sender.email.email == "ibmacct@iam.ibm.com"
  and any(ml.nlu_classifier(body.current_thread.text).intents,
          .name == "callback_scam" and .confidence != "low"
  )
attack_types:
  - "Callback Phishing"
tactics_and_techniques:
  - "Impersonation: Brand"
  - "Social engineering"
  - "Out of band pivot"
detection_methods:
  - "Sender analysis"
  - "Content analysis"
  - "Natural Language Understanding"
id: "7c4ef255-9063-54a8-99c2-9e20382ef96d"