Failed AzureAD logons but success logon to AWS Console

//Adjust this threshold to fit your environment
let signin_threshold = 5;
//Make a list of IPs with AAD signin failures above our threshold
let aadFunc = (tableName:string){
let Suspicious_signins =
table(tableName)
| where ResultType !in ("0", "50125", "50140")
| where IPAddress !in ("127.0.0.1", "::1")
| summarize count() by IPAddress
| where count_ >  signin_threshold
| summarize make_set(IPAddress);
Suspicious_signins
};
let aadSignin = aadFunc("SigninLogs");
let aadNonInt = aadFunc("AADNonInteractiveUserSignInLogs");
let Suspicious_signins =
union isfuzzy=true aadSignin, aadNonInt
| summarize make_set(set_IPAddress);
//See if any of those IPs have sucessfully logged into the AWS console
AWSCloudTrail
| where EventName =~ "ConsoleLogin"
| extend LoginResult = tostring(parse_json(ResponseElements).ConsoleLogin)
| where LoginResult =~ "Success"
| where SourceIpAddress in (Suspicious_signins)
| extend Reason = "Multiple failed AAD logins from IP address"
| extend MFAUsed = tostring(parse_json(AdditionalEventData).MFAUsed)
| extend UserIdentityArn = iif(isempty(UserIdentityArn), tostring(parse_json(Resources)[0].ARN), UserIdentityArn)
| extend UserName = tostring(split(UserIdentityArn, '/')[-1])
| extend AccountName = case( UserIdentityPrincipalid == "Anonymous", "Anonymous", isempty(UserIdentityUserName), UserName, UserIdentityUserName)
| extend AccountName = iif(AccountName contains "@", tostring(split(AccountName, '@', 0)[0]), AccountName),
  AccountUPNSuffix = iif(AccountName contains "@", tostring(split(AccountName, '@', 1)[0]), "")
| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by Reason, LoginResult, EventTypeName, UserIdentityType, RecipientAccountId, AccountName, AccountUPNSuffix, AWSRegion, SourceIpAddress, UserAgent, MFAUsed
| extend timestamp = StartTime

requiredDataConnectors:
- dataTypes:
  - SigninLogs
  connectorId: AzureActiveDirectory
- dataTypes:
  - AADNonInteractiveUserSignInLogs
  connectorId: AzureActiveDirectory
- dataTypes:
  - AWSCloudTrail
  connectorId: AWS
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/MultipleDataSources/AADAWSConsoleCorrelation.yaml
version: 1.0.5
triggerThreshold: 0
metadata:
  categories:
    domains:
    - Security - Others
    - Identity
  author:
    name: Microsoft Security Research
  support:
    tier: Community
  source:
    kind: Community
queryFrequency: 1d
tactics:
- InitialAccess
- CredentialAccess
relevantTechniques:
- T1078
- T1110
id: 643c2025-9604-47c5-833f-7b4b9378a1f5
query: |
  //Adjust this threshold to fit your environment
  let signin_threshold = 5;
  //Make a list of IPs with AAD signin failures above our threshold
  let aadFunc = (tableName:string){
  let Suspicious_signins =
  table(tableName)
  | where ResultType !in ("0", "50125", "50140")
  | where IPAddress !in ("127.0.0.1", "::1")
  | summarize count() by IPAddress
  | where count_ >  signin_threshold
  | summarize make_set(IPAddress);
  Suspicious_signins
  };
  let aadSignin = aadFunc("SigninLogs");
  let aadNonInt = aadFunc("AADNonInteractiveUserSignInLogs");
  let Suspicious_signins =
  union isfuzzy=true aadSignin, aadNonInt
  | summarize make_set(set_IPAddress);
  //See if any of those IPs have sucessfully logged into the AWS console
  AWSCloudTrail
  | where EventName =~ "ConsoleLogin"
  | extend LoginResult = tostring(parse_json(ResponseElements).ConsoleLogin)
  | where LoginResult =~ "Success"
  | where SourceIpAddress in (Suspicious_signins)
  | extend Reason = "Multiple failed AAD logins from IP address"
  | extend MFAUsed = tostring(parse_json(AdditionalEventData).MFAUsed)
  | extend UserIdentityArn = iif(isempty(UserIdentityArn), tostring(parse_json(Resources)[0].ARN), UserIdentityArn)
  | extend UserName = tostring(split(UserIdentityArn, '/')[-1])
  | extend AccountName = case( UserIdentityPrincipalid == "Anonymous", "Anonymous", isempty(UserIdentityUserName), UserName, UserIdentityUserName)
  | extend AccountName = iif(AccountName contains "@", tostring(split(AccountName, '@', 0)[0]), AccountName),
    AccountUPNSuffix = iif(AccountName contains "@", tostring(split(AccountName, '@', 1)[0]), "")
  | summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by Reason, LoginResult, EventTypeName, UserIdentityType, RecipientAccountId, AccountName, AccountUPNSuffix, AWSRegion, SourceIpAddress, UserAgent, MFAUsed
  | extend timestamp = StartTime
triggerOperator: gt
name: Failed AzureAD logons but success logon to AWS Console
queryPeriod: 1d
severity: Medium
entityMappings:
- fieldMappings:
  - columnName: AccountName
    identifier: Name
  - columnName: AccountUPNSuffix
    identifier: UPNSuffix
  - columnName: RecipientAccountId
    identifier: CloudAppAccountId
  entityType: Account
- fieldMappings:
  - columnName: SourceIpAddress
    identifier: Address
  entityType: IP
kind: Scheduled
description: |
  'Identifies a list of IP addresses with a minimum number (defualt of 5) of failed logon attempts to Microsoft Entra ID.
  Uses that list to identify any successful AWS Console logons from these IPs within the same timeframe.'

{
  "$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/643c2025-9604-47c5-833f-7b4b9378a1f5')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/643c2025-9604-47c5-833f-7b4b9378a1f5')]",
      "properties": {
        "alertRuleTemplateName": "643c2025-9604-47c5-833f-7b4b9378a1f5",
        "customDetails": null,
        "description": "'Identifies a list of IP addresses with a minimum number (defualt of 5) of failed logon attempts to Microsoft Entra ID.\nUses that list to identify any successful AWS Console logons from these IPs within the same timeframe.'\n",
        "displayName": "Failed AzureAD logons but success logon to AWS Console",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountName",
                "identifier": "Name"
              },
              {
                "columnName": "AccountUPNSuffix",
                "identifier": "UPNSuffix"
              },
              {
                "columnName": "RecipientAccountId",
                "identifier": "CloudAppAccountId"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SourceIpAddress",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Detections/MultipleDataSources/AADAWSConsoleCorrelation.yaml",
        "query": "//Adjust this threshold to fit your environment\nlet signin_threshold = 5;\n//Make a list of IPs with AAD signin failures above our threshold\nlet aadFunc = (tableName:string){\nlet Suspicious_signins =\ntable(tableName)\n| where ResultType !in (\"0\", \"50125\", \"50140\")\n| where IPAddress !in (\"127.0.0.1\", \"::1\")\n| summarize count() by IPAddress\n| where count_ >  signin_threshold\n| summarize make_set(IPAddress);\nSuspicious_signins\n};\nlet aadSignin = aadFunc(\"SigninLogs\");\nlet aadNonInt = aadFunc(\"AADNonInteractiveUserSignInLogs\");\nlet Suspicious_signins =\nunion isfuzzy=true aadSignin, aadNonInt\n| summarize make_set(set_IPAddress);\n//See if any of those IPs have sucessfully logged into the AWS console\nAWSCloudTrail\n| where EventName =~ \"ConsoleLogin\"\n| extend LoginResult = tostring(parse_json(ResponseElements).ConsoleLogin)\n| where LoginResult =~ \"Success\"\n| where SourceIpAddress in (Suspicious_signins)\n| extend Reason = \"Multiple failed AAD logins from IP address\"\n| extend MFAUsed = tostring(parse_json(AdditionalEventData).MFAUsed)\n| extend UserIdentityArn = iif(isempty(UserIdentityArn), tostring(parse_json(Resources)[0].ARN), UserIdentityArn)\n| extend UserName = tostring(split(UserIdentityArn, '/')[-1])\n| extend AccountName = case( UserIdentityPrincipalid == \"Anonymous\", \"Anonymous\", isempty(UserIdentityUserName), UserName, UserIdentityUserName)\n| extend AccountName = iif(AccountName contains \"@\", tostring(split(AccountName, '@', 0)[0]), AccountName),\n  AccountUPNSuffix = iif(AccountName contains \"@\", tostring(split(AccountName, '@', 1)[0]), \"\")\n| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated) by Reason, LoginResult, EventTypeName, UserIdentityType, RecipientAccountId, AccountName, AccountUPNSuffix, AWSRegion, SourceIpAddress, UserAgent, MFAUsed\n| extend timestamp = StartTime\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "severity": "Medium",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess",
          "InitialAccess"
        ],
        "techniques": [
          "T1078",
          "T1110"
        ],
        "templateVersion": "1.0.5",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}