AN1202: Analytic 1202
Monitor email message traces and headers for failed SPF, DKIM, or DMARC checks indicating spoofed sender identities. Correlate abnormal sender domains or mismatched return-paths with elevated spoofing likelihood.
Analyst context for executives and security teams
This analytic matters because spoofed sender identities can undermine trust in business email, executive communications, and incident response workflows. The supplied ATT&CK description focuses on monitoring email message traces and headers for failed SPF, DKIM, or DMARC checks, then correlating abnormal sender domains or mismatched return-paths to raise spoofing likelihood. For leaders, the practical question is whether the organization can prove it sees and reviews these authentication failures before they become business process, fraud, or response-confidence issues.
Executive priority
Prioritize this as an email trust and operational resilience control validation. Executives should ask whether email authentication evidence is retained, reviewed, and usable during investigations, audits, and urgent business decisions. Because no tactic, technique relationship, or official detection logic is supplied, this should be treated as a coverage and readiness check rather than proof of complete protection.
Technical view
SOC and detection teams should validate collection and parsing of email message traces and headers on Windows-supported monitoring workflows, specifically SPF, DKIM, and DMARC results, sender domain anomalies, and return-path mismatches. Detection engineering should focus on correlation quality: authentication failures alone may be noisy, so abnormal sender domains and mismatched return-paths should be used to prioritize review. IR teams should confirm these records are available quickly when investigating suspected spoofing or sender identity abuse.
Likely telemetry
- Email message trace records
- Email headers
- SPF authentication results
- DKIM authentication results
- DMARC authentication results
Detection direction
- Validate that SPF, DKIM, and DMARC outcomes are parsed into searchable fields rather than stored only as raw headers.
- Tune alerting so failed authentication checks are correlated with abnormal sender domains or mismatched return-paths, as described by the analytic.
- Review false positives from legitimate forwarding, mailing lists, third-party senders, or misconfigured domains using local business context.
- Confirm retention and investigation access for message traces and headers so analysts can reconstruct sender identity evidence.
- Because no official detection query is provided, test local logic against known benign and suspicious email samples before treating alerts as operationally reliable.
Mitigation priorities
- Establish reliable collection and retention of email traces and headers before expanding alert logic.
- Ensure SPF, DKIM, and DMARC results are visible to SOC and incident response workflows.
- Prioritize correction of recurring authentication failures from legitimate business senders to reduce noise.
- Use correlation on sender domain abnormality and return-path mismatch to improve triage priority.
- Document the control and evidence path for audit, incident response readiness, and executive assurance.
Analyst notes and limits
The ATT&CK object is a detection analytic, AN1202, for the enterprise domain with Windows listed as the platform. It provides a concise monitoring concept but no official detection query, tactic mapping, relationships, aliases, or labels. The strongest use is as a defensive validation prompt for email authentication telemetry and spoofing triage logic.
This take is limited to the supplied ATT&CK fields. No active exploitation, attribution, specific adversary behavior, impact outcome, vendor control, or guaranteed detection coverage is implied. Local mail architecture, forwarding behavior, third-party sender configuration, and retention policies will determine practical effectiveness.
Analytic 1202
Monitor email message traces and headers for failed SPF, DKIM, or DMARC checks indicating spoofed sender identities. Correlate abnormal sender domains or mismatched return-paths with elevated spoofing likelihood.
How security teams should use this page
Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.
All related ATT&CK context
No relationships are available in the current normalized data for this object.
Object version and sync metadata
The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates .
Imported snapshots across ATT&CK releases (1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 1.0 | Current bundle | 43f13d2b0a91… |
Mirrored ATT&CK source object
The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
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[1]
mitre-attack AN1202Open source URL
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