[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
)
)

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
  )
  )  
version: 2.0.1
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Legacy IOC based Threat Protection/Deprecated Analytic Rules/Manganese_VPN-IOCs.yaml
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'
queryFrequency: 1d
name: '[Deprecated] - Known Manganese IP and UserAgent activity'
kind: Scheduled
triggerThreshold: 0
id: a04cf847-a832-4c60-b687-b0b6147da219
requiredDataConnectors:
- connectorId: Office365
  dataTypes:
  - OfficeActivity
severity: High
queryPeriod: 1d
entityMappings:
- fieldMappings:
  - columnName: AccountCustomEntity
    identifier: FullName
  entityType: Account
- fieldMappings:
  - columnName: IPCustomEntity
    identifier: Address
  entityType: IP
relevantTechniques:
- T1133
- T1114
tactics:
- InitialAccess
- Collection