[Deprecated] - Known Manganese IP and UserAgent activity

let IPList = dynamic(["45.63.52.41","140.82.17.161","207.148.101.95","45.32.87.51","66.42.98.156","45.76.144.105","217.163.28.35","45.32.141.174","149.28.165.249","209.250.225.247","45.63.100.115","95.179.229.230","209.250.233.247","45.77.121.232","45.76.175.65","104.238.160.237","45.77.181.97","95.179.192.125","149.28.93.184","140.82.16.81","45.76.173.103","45.77.255.22","45.32.11.71","149.28.77.26","45.32.54.50","104.156.233.156","45.32.21.118","45.63.62.109","45.77.244.202","149.248.11.205","104.238.190.244"]);
let IOCTerms = "\\?lang=[/..]*/dev/cmdb/sslvpn_websession|/dana-na/jam/[/..]*home/webserver/htdocs/dana/html5acc/guacamole[/..]*etc/passwd\\?";
(union isfuzzy=true
(CommonSecurityLog
| where isnotempty(SourceIP) or isnotempty(DestinationIP)
| where SourceIP in (IPList) or DestinationIP in (IPList) or has_any_ipv4 (Message, IPList)
| extend IPMatch = case(
SourceIP in (IPList), "SourceIP",
DestinationIP in (IPList), "DestinationIP",
"Message")
| where Message matches regex IOCTerms
| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by SourceIP, DestinationIP, DeviceProduct, DeviceAction, Message, Protocol, SourcePort, DestinationPort, DeviceAddress, DeviceName, IPMatch
| extend timestamp = StartTimeUtc, IPCustomEntity = case(IPMatch == "SourceIP", SourceIP, IPMatch == "DestinationIP", DestinationIP, "IP in Message Field")
),
(OfficeActivity
| where isnotempty(UserAgent) and ClientIP in (IPList)
| where UserAgent contains "ExchangeServicesClient/0.0.0.0"
| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by SourceIP = ClientIP, Account = UserId, Type, RecordType, OfficeWorkload, UserAgent, OfficeObjectId, IPMatch = "ClientIP"
| extend timestamp = StartTimeUtc, AccountCustomEntity = Account, IPCustomEntity = SourceIP
)
)

relevantTechniques:
- T1133
- T1114
name: '[Deprecated] - Known Manganese IP and UserAgent activity'
requiredDataConnectors:
- dataTypes:
  - OfficeActivity
  connectorId: Office365
entityMappings:
- fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
  entityType: Account
- fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
  entityType: IP
triggerThreshold: 0
id: a04cf847-a832-4c60-b687-b0b6147da219
tactics:
- InitialAccess
- Collection
version: 2.0.1
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Deprecated Analytic Rules/Manganese_VPN-IOCs.yaml
queryPeriod: 1d
kind: Scheduled
queryFrequency: 1d
severity: High
status: Available
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'
query: |
  let IPList = dynamic(["45.63.52.41","140.82.17.161","207.148.101.95","45.32.87.51","66.42.98.156","45.76.144.105","217.163.28.35","45.32.141.174","149.28.165.249","209.250.225.247","45.63.100.115","95.179.229.230","209.250.233.247","45.77.121.232","45.76.175.65","104.238.160.237","45.77.181.97","95.179.192.125","149.28.93.184","140.82.16.81","45.76.173.103","45.77.255.22","45.32.11.71","149.28.77.26","45.32.54.50","104.156.233.156","45.32.21.118","45.63.62.109","45.77.244.202","149.248.11.205","104.238.190.244"]);
  let IOCTerms = "\\?lang=[/..]*/dev/cmdb/sslvpn_websession|/dana-na/jam/[/..]*home/webserver/htdocs/dana/html5acc/guacamole[/..]*etc/passwd\\?";
  (union isfuzzy=true
  (CommonSecurityLog
  | where isnotempty(SourceIP) or isnotempty(DestinationIP)
  | where SourceIP in (IPList) or DestinationIP in (IPList) or has_any_ipv4 (Message, IPList)
  | extend IPMatch = case(
  SourceIP in (IPList), "SourceIP",
  DestinationIP in (IPList), "DestinationIP",
  "Message")
  | where Message matches regex IOCTerms
  | summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by SourceIP, DestinationIP, DeviceProduct, DeviceAction, Message, Protocol, SourcePort, DestinationPort, DeviceAddress, DeviceName, IPMatch
  | extend timestamp = StartTimeUtc, IPCustomEntity = case(IPMatch == "SourceIP", SourceIP, IPMatch == "DestinationIP", DestinationIP, "IP in Message Field")
  ),
  (OfficeActivity
  | where isnotempty(UserAgent) and ClientIP in (IPList)
  | where UserAgent contains "ExchangeServicesClient/0.0.0.0"
  | summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by SourceIP = ClientIP, Account = UserId, Type, RecordType, OfficeWorkload, UserAgent, OfficeObjectId, IPMatch = "ClientIP"
  | extend timestamp = StartTimeUtc, AccountCustomEntity = Account, IPCustomEntity = SourceIP
  )
  )  
triggerOperator: gt

{
  "$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/a04cf847-a832-4c60-b687-b0b6147da219')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a04cf847-a832-4c60-b687-b0b6147da219')]",
      "properties": {
        "alertRuleTemplateName": "a04cf847-a832-4c60-b687-b0b6147da219",
        "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] - Known Manganese IP and UserAgent activity",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountCustomEntity",
                "identifier": "FullName"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPCustomEntity",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Deprecated Analytic Rules/Manganese_VPN-IOCs.yaml",
        "query": "let IPList = dynamic([\"45.63.52.41\",\"140.82.17.161\",\"207.148.101.95\",\"45.32.87.51\",\"66.42.98.156\",\"45.76.144.105\",\"217.163.28.35\",\"45.32.141.174\",\"149.28.165.249\",\"209.250.225.247\",\"45.63.100.115\",\"95.179.229.230\",\"209.250.233.247\",\"45.77.121.232\",\"45.76.175.65\",\"104.238.160.237\",\"45.77.181.97\",\"95.179.192.125\",\"149.28.93.184\",\"140.82.16.81\",\"45.76.173.103\",\"45.77.255.22\",\"45.32.11.71\",\"149.28.77.26\",\"45.32.54.50\",\"104.156.233.156\",\"45.32.21.118\",\"45.63.62.109\",\"45.77.244.202\",\"149.248.11.205\",\"104.238.190.244\"]);\nlet IOCTerms = \"\\\\?lang=[/..]*/dev/cmdb/sslvpn_websession|/dana-na/jam/[/..]*home/webserver/htdocs/dana/html5acc/guacamole[/..]*etc/passwd\\\\?\";\n(union isfuzzy=true\n(CommonSecurityLog\n| where isnotempty(SourceIP) or isnotempty(DestinationIP)\n| where SourceIP in (IPList) or DestinationIP in (IPList) or has_any_ipv4 (Message, IPList)\n| extend IPMatch = case(\nSourceIP in (IPList), \"SourceIP\",\nDestinationIP in (IPList), \"DestinationIP\",\n\"Message\")\n| where Message matches regex IOCTerms\n| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by SourceIP, DestinationIP, DeviceProduct, DeviceAction, Message, Protocol, SourcePort, DestinationPort, DeviceAddress, DeviceName, IPMatch\n| extend timestamp = StartTimeUtc, IPCustomEntity = case(IPMatch == \"SourceIP\", SourceIP, IPMatch == \"DestinationIP\", DestinationIP, \"IP in Message Field\")\n),\n(OfficeActivity\n| where isnotempty(UserAgent) and ClientIP in (IPList)\n| where UserAgent contains \"ExchangeServicesClient/0.0.0.0\"\n| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by SourceIP = ClientIP, Account = UserId, Type, RecordType, OfficeWorkload, UserAgent, OfficeObjectId, IPMatch = \"ClientIP\"\n| extend timestamp = StartTimeUtc, AccountCustomEntity = Account, IPCustomEntity = SourceIP\n)\n)\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "severity": "High",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Collection",
          "InitialAccess"
        ],
        "techniques": [
          "T1114",
          "T1133"
        ],
        "templateVersion": "2.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}