[Deprecated] - Denim Tsunami File Hashes July 2022

let sha256Hashes = dynamic(["78c255a98003a101fa5ba3f49c50c6922b52ede601edac5db036ab72efc57629", "0588f61dc7e4b24554cffe4ea56d043d8f6139d2569bc180d4a77cf75b68792f", "441a3810b9e89bae12eea285a63f92e98181e9fb9efd6c57ef6d265435484964", "cbae79f66f724e0fe1705d6b5db3cc8a4e89f6bdf4c37004aa1d45eeab26e84b", "fd6515a71530b8329e2c0104d0866c5c6f87546d4b44cc17bbb03e64663b11fc", "5d169e083faa73f2920c8593fb95f599dad93d34a6aa2b0f794be978e44c8206", "7f29b69eb1af1cc6c1998bad980640bfe779525fd5bb775bc36a0ce3789a8bfc", "02a59fe2c94151a08d75a692b550e66a8738eb47f0001234c600b562bf8c227d", "7f84bf6a016ca15e654fb5ebc36fd7407cb32c69a0335a32bfc36cb91e36184d", "afab2e77dc14831f1719e746042063a8ec107de0e9730249d5681d07f598e5ec", "894138dfeee756e366c65a197b4dbef8816406bc32697fac6621601debe17d53", "4611340fdade4e36f074f75294194b64dcf2ec0db00f3d958956b4b0d6586431", "c96ae21b4cf2e28eec222cfe6ca903c4767a068630a73eca58424f9a975c6b7d", "fa30be45c5c5a8f679b42ae85410f6099f66fe2b38eb7aa460bcc022babb41ca", "e64bea4032cf2694e85ede1745811e7585d3580821a00ae1b9123bb3d2d442d6"]);
(union isfuzzy=true
(CommonSecurityLog
| where FileHash in (sha256Hashes)
| project TimeGenerated, Message, SourceUserID, FileHash, Type
| extend timestamp = TimeGenerated, FileHashCustomEntity = 'SHA256', Account = SourceUserID
),
(imFileEvent
| where TargetFileSHA256 has_any (sha256Hashes)
| extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = TargetFileSHA256
| project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash
),
(Event
| where Source =~ "Microsoft-Windows-Sysmon"
| where EventID == 1
| extend EvData = parse_xml(EventData)
| extend EventDetail = EvData.DataItem.EventData.Data
| extend Image = EventDetail.[4].["#text"],  CommandLine = EventDetail.[10].["#text"], Hashes = tostring(EventDetail.[17].["#text"])
| extend Hashes = extract_all(@"(?P<key>\w+)=(?P<value>[a-zA-Z0-9]+)", dynamic(["key","value"]), Hashes)
| extend Hashes = column_ifexists("Hashes", ""), CommandLine = column_ifexists("CommandLine", "")
| extend Hashes = todynamic(Hashes) | mv-expand Hashes
| where (Hashes[0] =~ "SHA256" and Hashes[1] has_any (sha256Hashes)) 
| project TimeGenerated, EventDetail, UserName, Computer, Type, Source, Hashes, CommandLine, Image
| extend Type = strcat(Type, ": ", Source)
| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = UserName, ProcessCustomEntity = tostring(split(Image, '\\', -1)[-1]), FileHashCustomEntity = tostring(Hashes[1])
),
(DeviceEvents
| where InitiatingProcessSHA256 has_any (sha256Hashes) or SHA256 has_any (sha256Hashes)
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type
| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = InitiatingProcessSHA256,  CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath
),
(DeviceFileEvents
| where SHA256 has_any (sha256Hashes)
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type
| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = InitiatingProcessSHA256,  CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath
),
(DeviceImageLoadEvents
| where SHA256 has_any (sha256Hashes)
| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type
| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = InitiatingProcessSHA256,  CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath
)
)

status: Available
id: a779e2d5-9109-4f0a-a75e-f3d4f3c58560
requiredDataConnectors:
- connectorId: MicrosoftThreatProtection
  dataTypes:
  - DeviceEvents
  - DeviceFileEvents
  - DeviceImageLoadEvents
- connectorId: SecurityEvents
  dataTypes:
  - SecurityEvents
- connectorId: WindowsFirewall
  dataTypes:
  - WindowsFirewall
description: |
    'This query has been deprecated as the associated IoCs (Indicators of Compromise) are outdated and no longer relevant. To ensure effective threat detection, it is recommended to implement Microsoft's Threat Intelligence solution, which enables matching your log data with the most up-to-date IoCs generated by Microsoft. This solution can be installed from the Microsoft Sentinel Content Hub if not currently deployed. More details on the Content Hub can be found here: https://learn.microsoft.com/azure/sentinel/sentinel-solutions-deploy'
severity: High
version: 2.0.0
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: FileHashCustomEntity
  entityType: File
- fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
  entityType: Account
- fieldMappings:
  - identifier: ProcessId
    columnName: ProcessCustomEntity
  entityType: Process
- fieldMappings:
  - identifier: HostName
    columnName: HostCustomEntity
  entityType: Host
triggerOperator: gt
triggerThreshold: 0
tags:
- Denim Tsunami
kind: Scheduled
queryFrequency: 1d
query: |
  let sha256Hashes = dynamic(["78c255a98003a101fa5ba3f49c50c6922b52ede601edac5db036ab72efc57629", "0588f61dc7e4b24554cffe4ea56d043d8f6139d2569bc180d4a77cf75b68792f", "441a3810b9e89bae12eea285a63f92e98181e9fb9efd6c57ef6d265435484964", "cbae79f66f724e0fe1705d6b5db3cc8a4e89f6bdf4c37004aa1d45eeab26e84b", "fd6515a71530b8329e2c0104d0866c5c6f87546d4b44cc17bbb03e64663b11fc", "5d169e083faa73f2920c8593fb95f599dad93d34a6aa2b0f794be978e44c8206", "7f29b69eb1af1cc6c1998bad980640bfe779525fd5bb775bc36a0ce3789a8bfc", "02a59fe2c94151a08d75a692b550e66a8738eb47f0001234c600b562bf8c227d", "7f84bf6a016ca15e654fb5ebc36fd7407cb32c69a0335a32bfc36cb91e36184d", "afab2e77dc14831f1719e746042063a8ec107de0e9730249d5681d07f598e5ec", "894138dfeee756e366c65a197b4dbef8816406bc32697fac6621601debe17d53", "4611340fdade4e36f074f75294194b64dcf2ec0db00f3d958956b4b0d6586431", "c96ae21b4cf2e28eec222cfe6ca903c4767a068630a73eca58424f9a975c6b7d", "fa30be45c5c5a8f679b42ae85410f6099f66fe2b38eb7aa460bcc022babb41ca", "e64bea4032cf2694e85ede1745811e7585d3580821a00ae1b9123bb3d2d442d6"]);
  (union isfuzzy=true
  (CommonSecurityLog
  | where FileHash in (sha256Hashes)
  | project TimeGenerated, Message, SourceUserID, FileHash, Type
  | extend timestamp = TimeGenerated, FileHashCustomEntity = 'SHA256', Account = SourceUserID
  ),
  (imFileEvent
  | where TargetFileSHA256 has_any (sha256Hashes)
  | extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = TargetFileSHA256
  | project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash
  ),
  (Event
  | where Source =~ "Microsoft-Windows-Sysmon"
  | where EventID == 1
  | extend EvData = parse_xml(EventData)
  | extend EventDetail = EvData.DataItem.EventData.Data
  | extend Image = EventDetail.[4].["#text"],  CommandLine = EventDetail.[10].["#text"], Hashes = tostring(EventDetail.[17].["#text"])
  | extend Hashes = extract_all(@"(?P<key>\w+)=(?P<value>[a-zA-Z0-9]+)", dynamic(["key","value"]), Hashes)
  | extend Hashes = column_ifexists("Hashes", ""), CommandLine = column_ifexists("CommandLine", "")
  | extend Hashes = todynamic(Hashes) | mv-expand Hashes
  | where (Hashes[0] =~ "SHA256" and Hashes[1] has_any (sha256Hashes)) 
  | project TimeGenerated, EventDetail, UserName, Computer, Type, Source, Hashes, CommandLine, Image
  | extend Type = strcat(Type, ": ", Source)
  | extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = UserName, ProcessCustomEntity = tostring(split(Image, '\\', -1)[-1]), FileHashCustomEntity = tostring(Hashes[1])
  ),
  (DeviceEvents
  | where InitiatingProcessSHA256 has_any (sha256Hashes) or SHA256 has_any (sha256Hashes)
  | project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type
  | extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = InitiatingProcessSHA256,  CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath
  ),
  (DeviceFileEvents
  | where SHA256 has_any (sha256Hashes)
  | project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type
  | extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = InitiatingProcessSHA256,  CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath
  ),
  (DeviceImageLoadEvents
  | where SHA256 has_any (sha256Hashes)
  | project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type
  | extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = "SHA256", FileHashCustomEntity = InitiatingProcessSHA256,  CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath
  )
  )  
relevantTechniques:
- T1203
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Deprecated Analytic Rules/DenimTsunamiFileHashesJuly2022.yaml
tactics:
- Execution
name: '[Deprecated] - Denim Tsunami File Hashes July 2022'
queryPeriod: 1d

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/a779e2d5-9109-4f0a-a75e-f3d4f3c58560')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a779e2d5-9109-4f0a-a75e-f3d4f3c58560')]",
      "properties": {
        "alertRuleTemplateName": "a779e2d5-9109-4f0a-a75e-f3d4f3c58560",
        "customDetails": null,
        "description": "'This query has been deprecated as the associated IoCs (Indicators of Compromise) are outdated and no longer relevant. To ensure effective threat detection, it is recommended to implement Microsoft's Threat Intelligence solution, which enables matching your log data with the most up-to-date IoCs generated by Microsoft. This solution can be installed from the Microsoft Sentinel Content Hub if not currently deployed. More details on the Content Hub can be found here: https://learn.microsoft.com/azure/sentinel/sentinel-solutions-deploy'\n",
        "displayName": "[Deprecated] - Denim Tsunami File Hashes July 2022",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "File",
            "fieldMappings": [
              {
                "columnName": "FileHashCustomEntity",
                "identifier": "Name"
              }
            ]
          },
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "Process",
            "fieldMappings": [
              {
                "columnName": "ProcessCustomEntity",
                "identifier": "ProcessId"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "columnName": "HostCustomEntity",
                "identifier": "HostName"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Deprecated Analytic Rules/DenimTsunamiFileHashesJuly2022.yaml",
        "query": "let sha256Hashes = dynamic([\"78c255a98003a101fa5ba3f49c50c6922b52ede601edac5db036ab72efc57629\", \"0588f61dc7e4b24554cffe4ea56d043d8f6139d2569bc180d4a77cf75b68792f\", \"441a3810b9e89bae12eea285a63f92e98181e9fb9efd6c57ef6d265435484964\", \"cbae79f66f724e0fe1705d6b5db3cc8a4e89f6bdf4c37004aa1d45eeab26e84b\", \"fd6515a71530b8329e2c0104d0866c5c6f87546d4b44cc17bbb03e64663b11fc\", \"5d169e083faa73f2920c8593fb95f599dad93d34a6aa2b0f794be978e44c8206\", \"7f29b69eb1af1cc6c1998bad980640bfe779525fd5bb775bc36a0ce3789a8bfc\", \"02a59fe2c94151a08d75a692b550e66a8738eb47f0001234c600b562bf8c227d\", \"7f84bf6a016ca15e654fb5ebc36fd7407cb32c69a0335a32bfc36cb91e36184d\", \"afab2e77dc14831f1719e746042063a8ec107de0e9730249d5681d07f598e5ec\", \"894138dfeee756e366c65a197b4dbef8816406bc32697fac6621601debe17d53\", \"4611340fdade4e36f074f75294194b64dcf2ec0db00f3d958956b4b0d6586431\", \"c96ae21b4cf2e28eec222cfe6ca903c4767a068630a73eca58424f9a975c6b7d\", \"fa30be45c5c5a8f679b42ae85410f6099f66fe2b38eb7aa460bcc022babb41ca\", \"e64bea4032cf2694e85ede1745811e7585d3580821a00ae1b9123bb3d2d442d6\"]);\n(union isfuzzy=true\n(CommonSecurityLog\n| where FileHash in (sha256Hashes)\n| project TimeGenerated, Message, SourceUserID, FileHash, Type\n| extend timestamp = TimeGenerated, FileHashCustomEntity = 'SHA256', Account = SourceUserID\n),\n(imFileEvent\n| where TargetFileSHA256 has_any (sha256Hashes)\n| extend Account = ActorUsername, Computer = DvcHostname, IPAddress = SrcIpAddr, CommandLine = ActingProcessCommandLine, FileHash = TargetFileSHA256\n| project Type, TimeGenerated, Computer, Account, IPAddress, CommandLine, FileHash\n),\n(Event\n| where Source =~ \"Microsoft-Windows-Sysmon\"\n| where EventID == 1\n| extend EvData = parse_xml(EventData)\n| extend EventDetail = EvData.DataItem.EventData.Data\n| extend Image = EventDetail.[4].[\"#text\"],  CommandLine = EventDetail.[10].[\"#text\"], Hashes = tostring(EventDetail.[17].[\"#text\"])\n| extend Hashes = extract_all(@\"(?P<key>\\w+)=(?P<value>[a-zA-Z0-9]+)\", dynamic([\"key\",\"value\"]), Hashes)\n| extend Hashes = column_ifexists(\"Hashes\", \"\"), CommandLine = column_ifexists(\"CommandLine\", \"\")\n| extend Hashes = todynamic(Hashes) | mv-expand Hashes\n| where (Hashes[0] =~ \"SHA256\" and Hashes[1] has_any (sha256Hashes)) \n| project TimeGenerated, EventDetail, UserName, Computer, Type, Source, Hashes, CommandLine, Image\n| extend Type = strcat(Type, \": \", Source)\n| extend timestamp = TimeGenerated, HostCustomEntity = Computer , AccountCustomEntity = UserName, ProcessCustomEntity = tostring(split(Image, '\\\\', -1)[-1]), FileHashCustomEntity = tostring(Hashes[1])\n),\n(DeviceEvents\n| where InitiatingProcessSHA256 has_any (sha256Hashes) or SHA256 has_any (sha256Hashes)\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type\n| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = \"SHA256\", FileHashCustomEntity = InitiatingProcessSHA256,  CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath\n),\n(DeviceFileEvents\n| where SHA256 has_any (sha256Hashes)\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type\n| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = \"SHA256\", FileHashCustomEntity = InitiatingProcessSHA256,  CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath\n),\n(DeviceImageLoadEvents\n| where SHA256 has_any (sha256Hashes)\n| project TimeGenerated, ActionType, DeviceId, DeviceName, InitiatingProcessAccountDomain, InitiatingProcessAccountName, InitiatingProcessCommandLine, InitiatingProcessFolderPath, InitiatingProcessId, InitiatingProcessParentFileName, InitiatingProcessFileName, InitiatingProcessSHA256, Type\n| extend timestamp = TimeGenerated, HostCustomEntity = DeviceName , AccountCustomEntity = InitiatingProcessAccountName, ProcessCustomEntity = InitiatingProcessFileName, AlgorithmCustomEntity = \"SHA256\", FileHashCustomEntity = InitiatingProcessSHA256,  CommandLine = InitiatingProcessCommandLine,Image = InitiatingProcessFolderPath\n)\n)\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "severity": "High",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Execution"
        ],
        "tags": [
          "Denim Tsunami"
        ],
        "techniques": [
          "T1203"
        ],
        "templateVersion": "2.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}