SUNBURST and SUPERNOVA backdoor hashes

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Id	a3c144f9-8051-47d4-ac29-ffb0c312c910
Rulename	SUNBURST and SUPERNOVA backdoor hashes
Description	Identifies SolarWinds SUNBURST and SUPERNOVA backdoor file hash IOCs in DeviceFileEvents References: - https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html - https://gist.github.com/olafhartong/71ffdd4cab4b6acd5cbcd1a0691ff82f
Severity	High
Tactics	Execution Persistence InitialAccess
Techniques	T1195 T1059 T1546
Required data connectors	MicrosoftThreatProtection
Kind	Scheduled
Query frequency	1d
Query period	1d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Defender XDR/Analytic Rules/SolarWinds_SUNBURST_&_SUPERNOVA_File-IOCs.yaml
Version	1.0.7
Arm template	a3c144f9-8051-47d4-ac29-ffb0c312c910.json

KQL

let SunburstMD5=dynamic(["b91ce2fa41029f6955bff20079468448","02af7cec58b9a5da1c542b5a32151ba1","2c4a910a1299cdae2a4e55988a2f102e","846e27a652a5e1bfbd0ddd38a16dc865","4f2eb62fa529c0283b28d05ddd311fae"]);
let SupernovaMD5="56ceb6d0011d87b6e4d7023d7ef85676";
DeviceFileEvents
| where MD5 in(SunburstMD5) or MD5 in(SupernovaMD5)
| extend HashAlgorithm = "MD5"
| extend HostName = tostring(split(DeviceName, ".")[0]), DomainIndex = toint(indexof(DeviceName, '.'))
| extend HostNameDomain = iff(DomainIndex != -1, substring(DeviceName, DomainIndex + 1), DeviceName)

YAML

description: |
  Identifies SolarWinds SUNBURST and SUPERNOVA backdoor file hash IOCs in DeviceFileEvents
  References:
  - https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html
  - https://gist.github.com/olafhartong/71ffdd4cab4b6acd5cbcd1a0691ff82f  
version: 1.0.7
triggerThreshold: 0
tactics:
- Execution
- Persistence
- InitialAccess
queryPeriod: 1d
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft Defender XDR/Analytic Rules/SolarWinds_SUNBURST_&_SUPERNOVA_File-IOCs.yaml
triggerOperator: gt
status: Available
id: a3c144f9-8051-47d4-ac29-ffb0c312c910
name: SUNBURST and SUPERNOVA backdoor hashes
queryFrequency: 1d
severity: High
kind: Scheduled
entityMappings:
- fieldMappings:
  - columnName: DeviceName
    identifier: FullName
  - columnName: HostName
    identifier: HostName
  - columnName: HostNameDomain
    identifier: DnsDomain
  entityType: Host
- fieldMappings:
  - columnName: InitiatingProcessAccountUpn
    identifier: FullName
  - columnName: InitiatingProcessAccountName
    identifier: Name
  - columnName: InitiatingProcessAccountDomain
    identifier: UPNSuffix
  entityType: Account
- fieldMappings:
  - columnName: HashAlgorithm
    identifier: Algorithm
  - columnName: MD5
    identifier: Value
  entityType: FileHash
relevantTechniques:
- T1195
- T1059
- T1546
query: |
  let SunburstMD5=dynamic(["b91ce2fa41029f6955bff20079468448","02af7cec58b9a5da1c542b5a32151ba1","2c4a910a1299cdae2a4e55988a2f102e","846e27a652a5e1bfbd0ddd38a16dc865","4f2eb62fa529c0283b28d05ddd311fae"]);
  let SupernovaMD5="56ceb6d0011d87b6e4d7023d7ef85676";
  DeviceFileEvents
  | where MD5 in(SunburstMD5) or MD5 in(SupernovaMD5)
  | extend HashAlgorithm = "MD5"
  | extend HostName = tostring(split(DeviceName, ".")[0]), DomainIndex = toint(indexof(DeviceName, '.'))
  | extend HostNameDomain = iff(DomainIndex != -1, substring(DeviceName, DomainIndex + 1), DeviceName)  
requiredDataConnectors:
- dataTypes:
  - DeviceFileEvents
  connectorId: MicrosoftThreatProtection

ARM