Known IRIDIUM IP

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Id	7ee72a9e-2e54-459c-bc8a-8c08a6532a63
Rulename	Known IRIDIUM IP
Description	IRIDIUM command and control IP. Identifies a match across various data feeds for IP IOCs related to the IRIDIUM activity group.
Severity	High
Tactics	CommandAndControl
Required data connectors	AWS AWSS3 AzureActiveDirectory AzureActivity AzureFirewall AzureMonitor(IIS) AzureMonitor(VMInsights) CiscoASA CiscoUmbrellaDataConnector Corelight DNS GCPDNSDataConnector InfobloxNIOS MicrosoftSysmonForLinux MicrosoftThreatProtection NXLogDnsLogs Office365 PaloAltoNetworks SecurityEvents SquidProxy WindowsForwardedEvents Zscaler
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/Legacy IOC based Threat Protection/Analytic Rules/IridiumIOCs.yaml
Version	1.5.1
Arm template	7ee72a9e-2e54-459c-bc8a-8c08a6532a63.json

KQL

let IPList = dynamic(["154.223.45.38","185.141.207.140","185.234.73.19","216.245.210.106","51.91.48.210","46.255.230.229"]);
(union isfuzzy=true
(CommonSecurityLog
| where isnotempty(SourceIP) or isnotempty(DestinationIP)
| where SourceIP in (IPList) or DestinationIP in (IPList) or Message has_any (IPList)
| extend IPMatch = case(SourceIP in (IPList), "SourceIP", DestinationIP in (IPList), "DestinationIP", "Message") 
| 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
|extend SourceIPAddress = ClientIP, Account = UserId
| where  SourceIPAddress in (IPList)
| extend timestamp = TimeGenerated , IPCustomEntity = SourceIPAddress , AccountCustomEntity = Account
),
(_Im_Dns (response_has_any_prefix=IPList)
| extend DestinationIPAddress = DnsResponseName,  Host = Dvc
| extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host, AccountCustomEntity=User
),
(_Im_WebSession (srcipaddr_has_any_prefix=IPList)
| extend DestinationIPAddress = DstIpAddr,  Host = Dvc
| extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host
),
(_Im_NetworkSession (srcipaddr_has_any_prefix=IPList)
| extend DestinationIPAddress = DstIpAddr,  Host = Dvc
| extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host
),
(_Im_NetworkSession (dstipaddr_has_any_prefix=IPList)
| extend DestinationIPAddress = DstIpAddr,  Host = Dvc
| extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host
),
(SigninLogs
| where isnotempty(IPAddress)
| where IPAddress in (IPList)
| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress
),
(AADNonInteractiveUserSignInLogs
| where isnotempty(IPAddress)
| where IPAddress in (IPList)
| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress
),
(W3CIISLog 
| where isnotempty(cIP)
| where cIP in (IPList)
| extend timestamp = TimeGenerated, IPCustomEntity = cIP, HostCustomEntity = Computer, AccountCustomEntity = csUserName
),
(AzureActivity 
| where isnotempty(CallerIpAddress)
| where CallerIpAddress in (IPList)
| extend timestamp = TimeGenerated, IPCustomEntity = CallerIpAddress, AccountCustomEntity = Caller
),
(
AWSCloudTrail
| where isnotempty(SourceIpAddress)
| where SourceIpAddress in (IPList)
| extend timestamp = TimeGenerated, IPCustomEntity = SourceIpAddress, AccountCustomEntity = UserIdentityUserName
),
(
AzureDiagnostics
| where ResourceType == "AZUREFIREWALLS"
| where Category == "AzureFirewallApplicationRule"
| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
| where isnotempty(DestinationHost)
| where DestinationHost has_any (IPList)  
| extend DestinationIP = DestinationHost 
| extend IPCustomEntity = SourceHost
),
(
AZFWApplicationRule
| where isnotempty(Fqdn)
| where Fqdn has_any (IPList)  
| extend DestinationIP = Fqdn 
| extend IPCustomEntity = SourceIp
),
(AZFWNetworkRule
| where isnotempty(DestinationIp)
| where DestinationIp  has_any (IPList)  
| extend DestinationIP = DestinationIp 
| extend IPCustomEntity = SourceIp
),
(Event
| where Source == "Microsoft-Windows-Sysmon"
| where EventID == 3
| extend EvData = parse_xml(EventData)
| extend EventDetail = EvData.DataItem.EventData.Data
| extend SourceIP = EventDetail.[9].["#text"], DestinationIP = EventDetail.[14].["#text"]
| where SourceIP in (IPList) or DestinationIP in (IPList) 
| extend IPMatch = case( SourceIP in (IPList), "SourceIP", DestinationIP in (IPList), "DestinationIP", "None") 
| extend timestamp = TimeGenerated, AccountCustomEntity = UserName, HostCustomEntity = Computer , IPCustomEntity = case(IPMatch == "SourceIP", SourceIP, IPMatch == "DestinationIP", DestinationIP, "None")
)
)

YAML

queryFrequency: 1d
triggerOperator: gt
tactics:
- CommandAndControl
description: |
    'IRIDIUM command and control IP. Identifies a match across various data feeds for IP IOCs related to the IRIDIUM activity group.'
status: Available
name: Known IRIDIUM IP
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/IridiumIOCs.yaml
severity: High
triggerThreshold: 0
version: 1.5.1
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
- entityType: Host
  fieldMappings:
  - identifier: FullName
    columnName: HostCustomEntity
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
tags:
- Schema: ASIMDns
  SchemaVersion: 0.1.1
id: 7ee72a9e-2e54-459c-bc8a-8c08a6532a63
requiredDataConnectors:
- connectorId: AWSS3
  datatypes:
  - AWSVPCFlow
- connectorId: WindowsForwardedEvents
  dataTypes:
  - WindowsEvent
- connectorId: SquidProxy
  dataTypes:
  - SquidProxy_CL
- connectorId: MicrosoftThreatProtection
  dataTypes:
  - DeviceNetworkEvents
- connectorId: SecurityEvents
  dataTypes:
  - SecurityEvent
- connectorId: MicrosoftSysmonForLinux
  dataTypes:
  - Syslog
- connectorId: Office365
  dataTypes:
  - OfficeActivity
- connectorId: DNS
  dataTypes:
  - DnsEvents
- connectorId: AzureMonitor(VMInsights)
  dataTypes:
  - VMConnection
- connectorId: CiscoASA
  dataTypes:
  - CommonSecurityLog
- connectorId: PaloAltoNetworks
  dataTypes:
  - CommonSecurityLog
- connectorId: SecurityEvents
  dataTypes:
  - SecurityEvent
- connectorId: AzureActiveDirectory
  dataTypes:
  - SigninLogs
- connectorId: AzureActiveDirectory
  dataTypes:
  - AADNonInteractiveUserSignInLogs
- connectorId: AzureMonitor(IIS)
  dataTypes:
  - W3CIISLog
- connectorId: AzureActivity
  dataTypes:
  - AzureActivity
- connectorId: AWS
  dataTypes:
  - AWSCloudTrail
- connectorId: AzureFirewall
  dataTypes:
  - AzureDiagnostics
  - AZFWApplicationRule
  - AZFWNetworkRule
- connectorId: Zscaler
  dataTypes:
  - CommonSecurityLog
- connectorId: InfobloxNIOS
  dataTypes:
  - Syslog
- connectorId: GCPDNSDataConnector
  dataTypes:
  - GCP_DNS_CL
- connectorId: NXLogDnsLogs
  dataTypes:
  - NXLog_DNS_Server_CL
- connectorId: CiscoUmbrellaDataConnector
  dataTypes:
  - Cisco_Umbrella_dns_CL
- connectorId: Corelight
  dataTypes:
  - Corelight_CL
kind: Scheduled
query: |
  let IPList = dynamic(["154.223.45.38","185.141.207.140","185.234.73.19","216.245.210.106","51.91.48.210","46.255.230.229"]);
  (union isfuzzy=true
  (CommonSecurityLog
  | where isnotempty(SourceIP) or isnotempty(DestinationIP)
  | where SourceIP in (IPList) or DestinationIP in (IPList) or Message has_any (IPList)
  | extend IPMatch = case(SourceIP in (IPList), "SourceIP", DestinationIP in (IPList), "DestinationIP", "Message") 
  | 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
  |extend SourceIPAddress = ClientIP, Account = UserId
  | where  SourceIPAddress in (IPList)
  | extend timestamp = TimeGenerated , IPCustomEntity = SourceIPAddress , AccountCustomEntity = Account
  ),
  (_Im_Dns (response_has_any_prefix=IPList)
  | extend DestinationIPAddress = DnsResponseName,  Host = Dvc
  | extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host, AccountCustomEntity=User
  ),
  (_Im_WebSession (srcipaddr_has_any_prefix=IPList)
  | extend DestinationIPAddress = DstIpAddr,  Host = Dvc
  | extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host
  ),
  (_Im_NetworkSession (srcipaddr_has_any_prefix=IPList)
  | extend DestinationIPAddress = DstIpAddr,  Host = Dvc
  | extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host
  ),
  (_Im_NetworkSession (dstipaddr_has_any_prefix=IPList)
  | extend DestinationIPAddress = DstIpAddr,  Host = Dvc
  | extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host
  ),
  (SigninLogs
  | where isnotempty(IPAddress)
  | where IPAddress in (IPList)
  | extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress
  ),
  (AADNonInteractiveUserSignInLogs
  | where isnotempty(IPAddress)
  | where IPAddress in (IPList)
  | extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress
  ),
  (W3CIISLog 
  | where isnotempty(cIP)
  | where cIP in (IPList)
  | extend timestamp = TimeGenerated, IPCustomEntity = cIP, HostCustomEntity = Computer, AccountCustomEntity = csUserName
  ),
  (AzureActivity 
  | where isnotempty(CallerIpAddress)
  | where CallerIpAddress in (IPList)
  | extend timestamp = TimeGenerated, IPCustomEntity = CallerIpAddress, AccountCustomEntity = Caller
  ),
  (
  AWSCloudTrail
  | where isnotempty(SourceIpAddress)
  | where SourceIpAddress in (IPList)
  | extend timestamp = TimeGenerated, IPCustomEntity = SourceIpAddress, AccountCustomEntity = UserIdentityUserName
  ),
  (
  AzureDiagnostics
  | where ResourceType == "AZUREFIREWALLS"
  | where Category == "AzureFirewallApplicationRule"
  | parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action
  | where isnotempty(DestinationHost)
  | where DestinationHost has_any (IPList)  
  | extend DestinationIP = DestinationHost 
  | extend IPCustomEntity = SourceHost
  ),
  (
  AZFWApplicationRule
  | where isnotempty(Fqdn)
  | where Fqdn has_any (IPList)  
  | extend DestinationIP = Fqdn 
  | extend IPCustomEntity = SourceIp
  ),
  (AZFWNetworkRule
  | where isnotempty(DestinationIp)
  | where DestinationIp  has_any (IPList)  
  | extend DestinationIP = DestinationIp 
  | extend IPCustomEntity = SourceIp
  ),
  (Event
  | where Source == "Microsoft-Windows-Sysmon"
  | where EventID == 3
  | extend EvData = parse_xml(EventData)
  | extend EventDetail = EvData.DataItem.EventData.Data
  | extend SourceIP = EventDetail.[9].["#text"], DestinationIP = EventDetail.[14].["#text"]
  | where SourceIP in (IPList) or DestinationIP in (IPList) 
  | extend IPMatch = case( SourceIP in (IPList), "SourceIP", DestinationIP in (IPList), "DestinationIP", "None") 
  | extend timestamp = TimeGenerated, AccountCustomEntity = UserName, HostCustomEntity = Computer , IPCustomEntity = case(IPMatch == "SourceIP", SourceIP, IPMatch == "DestinationIP", DestinationIP, "None")
  )
  )  
queryPeriod: 1d

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/7ee72a9e-2e54-459c-bc8a-8c08a6532a63')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/7ee72a9e-2e54-459c-bc8a-8c08a6532a63')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01",
      "properties": {
        "displayName": "Known IRIDIUM IP",
        "description": "'IRIDIUM command and control IP. Identifies a match across various data feeds for IP IOCs related to the IRIDIUM activity group.'\n",
        "severity": "High",
        "enabled": true,
        "query": "let IPList = dynamic([\"154.223.45.38\",\"185.141.207.140\",\"185.234.73.19\",\"216.245.210.106\",\"51.91.48.210\",\"46.255.230.229\"]);\n(union isfuzzy=true\n(CommonSecurityLog\n| where isnotempty(SourceIP) or isnotempty(DestinationIP)\n| where SourceIP in (IPList) or DestinationIP in (IPList) or Message has_any (IPList)\n| extend IPMatch = case(SourceIP in (IPList), \"SourceIP\", DestinationIP in (IPList), \"DestinationIP\", \"Message\") \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|extend SourceIPAddress = ClientIP, Account = UserId\n| where  SourceIPAddress in (IPList)\n| extend timestamp = TimeGenerated , IPCustomEntity = SourceIPAddress , AccountCustomEntity = Account\n),\n(_Im_Dns (response_has_any_prefix=IPList)\n| extend DestinationIPAddress = DnsResponseName,  Host = Dvc\n| extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host, AccountCustomEntity=User\n),\n(_Im_WebSession (srcipaddr_has_any_prefix=IPList)\n| extend DestinationIPAddress = DstIpAddr,  Host = Dvc\n| extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host\n),\n(_Im_NetworkSession (srcipaddr_has_any_prefix=IPList)\n| extend DestinationIPAddress = DstIpAddr,  Host = Dvc\n| extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host\n),\n(_Im_NetworkSession (dstipaddr_has_any_prefix=IPList)\n| extend DestinationIPAddress = DstIpAddr,  Host = Dvc\n| extend timestamp = TimeGenerated, IPCustomEntity = SrcIpAddr, HostCustomEntity = Host\n),\n(SigninLogs\n| where isnotempty(IPAddress)\n| where IPAddress in (IPList)\n| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress\n),\n(AADNonInteractiveUserSignInLogs\n| where isnotempty(IPAddress)\n| where IPAddress in (IPList)\n| extend timestamp = TimeGenerated, AccountCustomEntity = UserPrincipalName, IPCustomEntity = IPAddress\n),\n(W3CIISLog \n| where isnotempty(cIP)\n| where cIP in (IPList)\n| extend timestamp = TimeGenerated, IPCustomEntity = cIP, HostCustomEntity = Computer, AccountCustomEntity = csUserName\n),\n(AzureActivity \n| where isnotempty(CallerIpAddress)\n| where CallerIpAddress in (IPList)\n| extend timestamp = TimeGenerated, IPCustomEntity = CallerIpAddress, AccountCustomEntity = Caller\n),\n(\nAWSCloudTrail\n| where isnotempty(SourceIpAddress)\n| where SourceIpAddress in (IPList)\n| extend timestamp = TimeGenerated, IPCustomEntity = SourceIpAddress, AccountCustomEntity = UserIdentityUserName\n),\n(\nAzureDiagnostics\n| where ResourceType == \"AZUREFIREWALLS\"\n| where Category == \"AzureFirewallApplicationRule\"\n| parse msg_s with Protocol 'request from ' SourceHost ':' SourcePort 'to ' DestinationHost ':' DestinationPort '. Action:' Action\n| where isnotempty(DestinationHost)\n| where DestinationHost has_any (IPList)  \n| extend DestinationIP = DestinationHost \n| extend IPCustomEntity = SourceHost\n),\n(\nAZFWApplicationRule\n| where isnotempty(Fqdn)\n| where Fqdn has_any (IPList)  \n| extend DestinationIP = Fqdn \n| extend IPCustomEntity = SourceIp\n),\n(AZFWNetworkRule\n| where isnotempty(DestinationIp)\n| where DestinationIp  has_any (IPList)  \n| extend DestinationIP = DestinationIp \n| extend IPCustomEntity = SourceIp\n),\n(Event\n| where Source == \"Microsoft-Windows-Sysmon\"\n| where EventID == 3\n| extend EvData = parse_xml(EventData)\n| extend EventDetail = EvData.DataItem.EventData.Data\n| extend SourceIP = EventDetail.[9].[\"#text\"], DestinationIP = EventDetail.[14].[\"#text\"]\n| where SourceIP in (IPList) or DestinationIP in (IPList) \n| extend IPMatch = case( SourceIP in (IPList), \"SourceIP\", DestinationIP in (IPList), \"DestinationIP\", \"None\") \n| extend timestamp = TimeGenerated, AccountCustomEntity = UserName, HostCustomEntity = Computer , IPCustomEntity = case(IPMatch == \"SourceIP\", SourceIP, IPMatch == \"DestinationIP\", DestinationIP, \"None\")\n)\n)\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CommandAndControl"
        ],
        "alertRuleTemplateName": "7ee72a9e-2e54-459c-bc8a-8c08a6532a63",
        "customDetails": null,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "identifier": "FullName",
                "columnName": "AccountCustomEntity"
              }
            ]
          },
          {
            "entityType": "Host",
            "fieldMappings": [
              {
                "identifier": "FullName",
                "columnName": "HostCustomEntity"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "identifier": "Address",
                "columnName": "IPCustomEntity"
              }
            ]
          }
        ],
        "templateVersion": "1.5.1",
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Analytic Rules/IridiumIOCs.yaml",
        "status": "Available",
        "tags": [
          {
            "Schema": "ASIMDns",
            "SchemaVersion": "0.1.1"
          }
        ]
      }
    }
  ]
}