SUNBURST and SUPERNOVA backdoor hashes

Back


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 365 Defender/Analytic Rules/SolarWinds_SUNBURST_&_SUPERNOVA_File-IOCs.yaml
Version	1.0.6
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 timestamp = TimeGenerated, Account = iff(isnotempty(InitiatingProcessAccountUpn), InitiatingProcessAccountUpn, InitiatingProcessAccountName),AlgorithmEntity = "MD5" ,FileHashEntity = MD5

YAML

version: 1.0.6
name: SUNBURST and SUPERNOVA backdoor hashes
severity: High
queryFrequency: 1d
kind: Scheduled
queryPeriod: 1d
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  
query: |
  let SunburstMD5=dynamic(["b91ce2fa41029f6955bff20079468448","02af7cec58b9a5da1c542b5a32151ba1","2c4a910a1299cdae2a4e55988a2f102e","846e27a652a5e1bfbd0ddd38a16dc865","4f2eb62fa529c0283b28d05ddd311fae"]);
  let SupernovaMD5="56ceb6d0011d87b6e4d7023d7ef85676";
  DeviceFileEvents
  | where MD5 in(SunburstMD5) or MD5 in(SupernovaMD5)
  | extend timestamp = TimeGenerated, Account = iff(isnotempty(InitiatingProcessAccountUpn), InitiatingProcessAccountUpn, InitiatingProcessAccountName),AlgorithmEntity = "MD5" ,FileHashEntity = MD5  
tactics:
- Execution
- Persistence
- InitialAccess
triggerOperator: gt
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: Account
    identifier: Name
- entityType: Host
  fieldMappings:
  - columnName: DeviceName
    identifier: HostName
- entityType: FileHash
  fieldMappings:
  - columnName: AlgorithmEntity
    identifier: Algorithm
  - columnName: FileHashEntity
    identifier: Value
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft 365 Defender/Analytic Rules/SolarWinds_SUNBURST_&_SUPERNOVA_File-IOCs.yaml
requiredDataConnectors:
- connectorId: MicrosoftThreatProtection
  dataTypes:
  - DeviceFileEvents
status: Available
relevantTechniques:
- T1195
- T1059
- T1546
id: a3c144f9-8051-47d4-ac29-ffb0c312c910

ARM

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/a3c144f9-8051-47d4-ac29-ffb0c312c910')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a3c144f9-8051-47d4-ac29-ffb0c312c910')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01-preview",
      "properties": {
        "displayName": "SUNBURST and SUPERNOVA backdoor hashes",
        "description": "Identifies SolarWinds SUNBURST and SUPERNOVA backdoor file hash IOCs in DeviceFileEvents\nReferences:\n- https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html\n- https://gist.github.com/olafhartong/71ffdd4cab4b6acd5cbcd1a0691ff82f\n",
        "severity": "High",
        "enabled": true,
        "query": "let SunburstMD5=dynamic([\"b91ce2fa41029f6955bff20079468448\",\"02af7cec58b9a5da1c542b5a32151ba1\",\"2c4a910a1299cdae2a4e55988a2f102e\",\"846e27a652a5e1bfbd0ddd38a16dc865\",\"4f2eb62fa529c0283b28d05ddd311fae\"]);\nlet SupernovaMD5=\"56ceb6d0011d87b6e4d7023d7ef85676\";\nDeviceFileEvents\n| where MD5 in(SunburstMD5) or MD5 in(SupernovaMD5)\n| extend timestamp = TimeGenerated, Account = iff(isnotempty(InitiatingProcessAccountUpn), InitiatingProcessAccountUpn, InitiatingProcessAccountName),AlgorithmEntity = \"MD5\" ,FileHashEntity = MD5\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Execution",
          "Persistence",
          "InitialAccess"
        ],
        "techniques": [
          "T1195",
          "T1059",
          "T1546"
        ],
        "alertRuleTemplateName": "a3c144f9-8051-47d4-ac29-ffb0c312c910",
        "customDetails": null,
        "entityMappings": [
          {
            "fieldMappings": [
              {
                "columnName": "Account",
                "identifier": "Name"
              }
            ],
            "entityType": "Account"
          },
          {
            "fieldMappings": [
              {
                "columnName": "DeviceName",
                "identifier": "HostName"
              }
            ],
            "entityType": "Host"
          },
          {
            "fieldMappings": [
              {
                "columnName": "AlgorithmEntity",
                "identifier": "Algorithm"
              },
              {
                "columnName": "FileHashEntity",
                "identifier": "Value"
              }
            ],
            "entityType": "FileHash"
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Microsoft 365 Defender/Analytic Rules/SolarWinds_SUNBURST_&_SUPERNOVA_File-IOCs.yaml",
        "templateVersion": "1.0.6",
        "status": "Available"
      }
    }
  ]
}