[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
)
)

entityMappings:
- entityType: File
  fieldMappings:
  - identifier: Name
    columnName: FileHashCustomEntity
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
- entityType: Process
  fieldMappings:
  - identifier: ProcessId
    columnName: ProcessCustomEntity
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: HostCustomEntity
name: '[Deprecated] - Denim Tsunami File Hashes July 2022'
tactics:
- Execution
severity: High
triggerThreshold: 0
relevantTechniques:
- T1203
id: a779e2d5-9109-4f0a-a75e-f3d4f3c58560
version: 2.0.0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Deprecated Analytic Rules/DenimTsunamiFileHashesJuly2022.yaml
queryFrequency: 1d
triggerOperator: gt
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
  )
  )  
tags:
- Denim Tsunami
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'
requiredDataConnectors:
- connectorId: MicrosoftThreatProtection
  dataTypes:
  - DeviceEvents
  - DeviceFileEvents
  - DeviceImageLoadEvents
- connectorId: SecurityEvents
  dataTypes:
  - SecurityEvents
- connectorId: WindowsFirewall
  dataTypes:
  - WindowsFirewall
status: Available
queryPeriod: 1d
kind: Scheduled

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-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",
        "subTechniques": [],
        "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"
    }
  ]
}