Suspicious SharePoint Search Queries for Sensitive Documents

PremiumReviewedSigma · Medium · v1
Product
m365
Service
sharepoint
Author
HuntRule
Published
2026-10-12
Updated
2026-10-12

ATT&CK techniques

Collection
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Lateral Movement

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects SharePoint search queries for sensitive terms such as confidential vpn poc and password as observed in ShinyHunters SaaS data theft reconnaissance. Attackers search compromised tenants to locate high value documents before exfiltration.

Related detections9 linkedT1213 — drag to rearrange
Suspicious SharePoint File Download Using PowerShell User Agent
Suspicious FortiManager Config Archive Written to /tmp/.tm During CVE-2024-47575 Exploitation (via file_event)
Suspicious Salesforce Bulk Data Extraction via Bulk and Report APIs
Suspicious Salesforce Bulk Query by External App with Python-urllib Agent
Suspicious Snowflake Anomalous Client Application Associated With UNC5537 (via cloud)
OpenCanary MSSQL SQLAuth Login Attempt Detected (logtype 9001)
OpenCanary Git Service: Git Clone Request Observed
OpenCanary Redis Action Command Attempt
OpenCanary: MSSQL Windows Authentication Login Attempt (Logtype 9002)
Suspicious SharePoint Search Queries for Sensitive Documents
Pivot detection · T1213 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.