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2 changes: 1 addition & 1 deletion rules/windows/adfs_authentication_anomalies.yml
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ description: |
5. Consider implementing IP-based blocking if malicious activity is confirmed
6. Review ADFS configuration for security hardening opportunities
7. Correlate with other authentication events across the domain
where: equals("log.providerName", "AD FS") && (equals("log.eventId", "411") || equals("log.eventId", "342") || equals("log.eventId", "516")) && contains("log.message", "token validation failed")
where: equals("log.providerName", "AD FS") && (equals("log.eventCode", "342") || equals("log.eventCode", "516")) && contains("log.message", "token validation failed")
afterEvents:
- indexPattern: v11-log-wineventlog-*
with:
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2 changes: 1 addition & 1 deletion rules/windows/certificate_services_abuse.yml
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ description: |
5. Examine the requesting host for signs of compromise
6. Consider revoking any suspicious certificates issued
7. Validate Certificate Authority security configurations and access controls
where: (equals("log.eventId", "4886") || equals("log.eventId", "4887")) && equals("log.providerName", "Microsoft-Windows-Security-Auditing") && (contains("log.eventDataSubjectUserName", "$") || equals("log.eventDataSubjectUserName", "ANONYMOUS LOGON"))
where: (equals("log.eventCode", "4886") || equals("log.eventCode", "4887")) && equals("log.providerName", "Microsoft-Windows-Security-Auditing") && (contains("log.eventDataSubjectUserName", "$") || equals("log.eventDataSubjectUserName", "ANONYMOUS LOGON"))
groupBy:
- lastEvent.log.eventDataSubjectUserName
- origin.host
2 changes: 1 addition & 1 deletion rules/windows/sid_history_injection.yml
Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@ description: |
6. Consider resetting the target account password and removing unauthorized SID History entries
7. Review domain administrator accounts and privileged group memberships for anomalies
where: |
oneOf("log.eventId", ["4765", "4766"]) &&
oneOf("log.eventCode", ["4765", "4766"]) &&
equals("log.channel", "Security")
groupBy:
- origin.host
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2 changes: 1 addition & 1 deletion rules/windows/smbv1_usage_detection.yml
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ description: |
5. Plan migration to SMBv2/SMBv3 and disable SMBv1 on all systems where possible
6. Monitor for any lateral movement patterns that may indicate ongoing compromise
7. Consider implementing network segmentation to limit exposure if SMBv1 cannot be immediately disabled
where: equals("log.eventId", "3000") && equals("log.providerName", "Microsoft-Windows-SMBServer") && contains("log.message", "SMB1")
where: equals("log.eventCode", "3000") && equals("log.providerName", "Microsoft-Windows-SMBServer") && contains("log.message", "SMB1")
groupBy:
- origin.host
- origin.ip
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