Brute force attack against user credentials

let failureCountThreshold = 10;
let successCountThreshold = 1;
let Failures =
SalesforceServiceCloud
| where EventType == "Login" and LoginStatus != "LOGIN_NO_ERROR"
| summarize
      FailureStartTime = min(TimeGenerated),
      FailureEndTime = max(TimeGenerated),
      IpAddresses = make_set (ClientIp, 100),
      FailureCount = count() by User, UserId, UserType;
  SalesforceServiceCloud
  | where EventType == "Login" and LoginStatus == "LOGIN_NO_ERROR"
  | summarize
          SuccessStartTime = min(TimeGenerated),
          SuccessEndTime = max(TimeGenerated),
          IpAddresses = make_set (ClientIp, 100),
          SuccessCount = count() by User, UserId, UserType
  | join kind=leftouter Failures on UserId
  | where FailureCount >= failureCountThreshold and SuccessCount >= successCountThreshold
  | where FailureEndTime < SuccessStartTime
  | project User, EventStartTime = FailureStartTime, EventEndTime = SuccessEndTime, IpAddresses

triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Salesforce%20Service%20Cloud/Analytic%20Rules/Salesforce-BruteForce.yaml
triggerThreshold: 0
id: 5a6ce089-e756-40fb-b022-c8e8864a973a
kind: Scheduled
relevantTechniques:
- T1110
version: 1.0.4
tactics:
- CredentialAccess
queryPeriod: 1h
queryFrequency: 1h
severity: Medium
name: Brute force attack against user credentials
customDetails:
  IPAddresses: IpAddresses
  EventEndTime: SuccessEndTime
  EventStartTime: FailureStartTime
requiredDataConnectors:
- connectorId: SalesforceServiceCloudCCPDefinition
  dataTypes:
  - SalesforceServiceCloud
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: User
description: |
  'Identifies evidence of brute force activity against a user based on multiple authentication failures and at least one successful authentication within a given time window. This query limits IPAddresses to 100 and may not potentially cover all IPAddresses.
  The default failure threshold is 10, success threshold is 1, and the default time window is 20 minutes.'
status: Available
query: |
  let failureCountThreshold = 10;
  let successCountThreshold = 1;
  let Failures =
  SalesforceServiceCloud
  | where EventType == "Login" and LoginStatus != "LOGIN_NO_ERROR"
  | summarize
        FailureStartTime = min(TimeGenerated),
        FailureEndTime = max(TimeGenerated),
        IpAddresses = make_set (ClientIp, 100),
        FailureCount = count() by User, UserId, UserType;
    SalesforceServiceCloud
    | where EventType == "Login" and LoginStatus == "LOGIN_NO_ERROR"
    | summarize
            SuccessStartTime = min(TimeGenerated),
            SuccessEndTime = max(TimeGenerated),
            IpAddresses = make_set (ClientIp, 100),
            SuccessCount = count() by User, UserId, UserType
    | join kind=leftouter Failures on UserId
    | where FailureCount >= failureCountThreshold and SuccessCount >= successCountThreshold
    | where FailureEndTime < SuccessStartTime
    | project User, EventStartTime = FailureStartTime, EventEndTime = SuccessEndTime, IpAddresses

{
  "$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/5a6ce089-e756-40fb-b022-c8e8864a973a')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/5a6ce089-e756-40fb-b022-c8e8864a973a')]",
      "properties": {
        "alertRuleTemplateName": "5a6ce089-e756-40fb-b022-c8e8864a973a",
        "customDetails": {
          "EventEndTime": "SuccessEndTime",
          "EventStartTime": "FailureStartTime",
          "IPAddresses": "IpAddresses"
        },
        "description": "'Identifies evidence of brute force activity against a user based on multiple authentication failures and at least one successful authentication within a given time window. This query limits IPAddresses to 100 and may not potentially cover all IPAddresses.\nThe default failure threshold is 10, success threshold is 1, and the default time window is 20 minutes.'\n",
        "displayName": "Brute force attack against user credentials",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "User",
                "identifier": "FullName"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Salesforce%20Service%20Cloud/Analytic%20Rules/Salesforce-BruteForce.yaml",
        "query": "let failureCountThreshold = 10;\nlet successCountThreshold = 1;\nlet Failures =\nSalesforceServiceCloud\n| where EventType == \"Login\" and LoginStatus != \"LOGIN_NO_ERROR\"\n| summarize\n      FailureStartTime = min(TimeGenerated),\n      FailureEndTime = max(TimeGenerated),\n      IpAddresses = make_set (ClientIp, 100),\n      FailureCount = count() by User, UserId, UserType;\n  SalesforceServiceCloud\n  | where EventType == \"Login\" and LoginStatus == \"LOGIN_NO_ERROR\"\n  | summarize\n          SuccessStartTime = min(TimeGenerated),\n          SuccessEndTime = max(TimeGenerated),\n          IpAddresses = make_set (ClientIp, 100),\n          SuccessCount = count() by User, UserId, UserType\n  | join kind=leftouter Failures on UserId\n  | where FailureCount >= failureCountThreshold and SuccessCount >= successCountThreshold\n  | where FailureEndTime < SuccessStartTime\n  | project User, EventStartTime = FailureStartTime, EventEndTime = SuccessEndTime, IpAddresses\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess"
        ],
        "techniques": [
          "T1110"
        ],
        "templateVersion": "1.0.4",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}