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'Identifies an export of the ADFS DKM Master Key from Active Directory.
References: https://blogs.microsoft.com/on-the-issues/2020/12/13/customers-protect-nation-state-cyberattacks/,
https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html?1
To understand further the details behind this detection, please review the details in the original PR and subequent PR update to this:
https://github.com/Azure/Azure-Sentinel/pull/1562#issue-551542469
https://github.com/Azure/Azure-Sentinel/pull/1512#issue-543053339
'
References: https://blogs.microsoft.com/on-the-issues/2020/12/13/customers-protect-nation-state-cyberattacks/,
https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html?1
To understand further the details behind this detection, please review the details in the original PR and subequent PR update to this:
https://github.com/Azure/Azure-Sentinel/pull/1562#issue-551542469
https://github.com/Azure/Azure-Sentinel/pull/1512#issue-543053339
'
'This query detects instances where an attacker has gained the ability to execute code on an ADFS Server through remote WMI Execution.
In order to use this query you need to be collecting Sysmon EventIDs 19, 20, and 21.
If you do not have Sysmon data in your workspace this query will raise an error stating:
Failed to resolve scalar expression named "[@Name]"
For more on how WMI was used in Solorigate see https://www.microsoft.com/security/blog/2021/01/20/deep-dive-into-the-solorigate-second-stage-activation-from-sunburst-to-teardrop-and-raindrop/.
The query contains some features from the following detections to look for potentially malicious ADFS activity. See them for more details.
- ADFS Key Export (Sysmon): https://github.com/Azure/Azure-Sentinel/blob/master/Detections/SecurityEvent/ADFSKeyExportSysmon.yaml
- ADFS DKM Master Key Export: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/MultipleDataSources/ADFS-DKM-MasterKey-Export.yaml'
In order to use this query you need to be collecting Sysmon EventIDs 19, 20, and 21.
If you do not have Sysmon data in your workspace this query will raise an error stating:
Failed to resolve scalar expression named "[@Name]"
For more on how WMI was used in Solorigate see https://www.microsoft.com/security/blog/2021/01/20/deep-dive-into-the-solorigate-second-stage-activation-from-sunburst-to-teardrop-and-raindrop/.
The query contains some features from the following detections to look for potentially malicious ADFS activity. See them for more details.
- ADFS Key Export (Sysmon): https://github.com/Azure/Azure-Sentinel/blob/master/Detections/SecurityEvent/ADFSKeyExportSysmon.yaml
- ADFS DKM Master Key Export: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/MultipleDataSources/ADFS-DKM-MasterKey-Export.yaml'