Analytic rule catalog
SpyCloud plaintext credential exposure detected
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| Id | a25eba0e-ff42-4c97-a379-d76bdb2aa1e3 |
| Rulename | SpyCloud plaintext credential exposure detected |
| Description | Identifies user accounts exposed with a plaintext password in a third-party data breach. Unremediated exposures of this kind can lead directly to account takeover. |
| Severity | High |
| Tactics | CredentialAccess |
| Techniques | T1555 |
| Required data connectors | SpyCloudEnterpriseProtectionCCF |
| Kind | scheduled |
| Query frequency | 1h |
| Query period | 2d |
| Trigger threshold | 0 |
| Trigger operator | gt |
| Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SpyCloud%20Enterprise%20Protection%20CCF/Analytic%20Rules/AR_Breached_Users_20.yaml |
| Version | 1.0.0 |
| Arm template | a25eba0e-ff42-4c97-a379-d76bdb2aa1e3.json |
// Human-readable constant for the severity threshold used below
let severityThreshold = 20;
SpyCloudBreachWatchlistV2_CL
| where Severity == severityThreshold
| mv-expand IPAddress = IPAddresses to typeof(string)
| extend AccountName = Username, AccountEmail = Email
| project TimeGenerated, DocumentId, SourceId, SpyCloudPublishDate, AccountEmail,
TargetDomain, PasswordPlaintext, AccountName, IPAddress
severity: High
tactics:
- CredentialAccess
queryFrequency: 1h
id: a25eba0e-ff42-4c97-a379-d76bdb2aa1e3
query: |
// Human-readable constant for the severity threshold used below
let severityThreshold = 20;
SpyCloudBreachWatchlistV2_CL
| where Severity == severityThreshold
| mv-expand IPAddress = IPAddresses to typeof(string)
| extend AccountName = Username, AccountEmail = Email
| project TimeGenerated, DocumentId, SourceId, SpyCloudPublishDate, AccountEmail,
TargetDomain, PasswordPlaintext, AccountName, IPAddress
entityMappings:
- fieldMappings:
- identifier: Name
columnName: AccountName
entityType: Account
- fieldMappings:
- identifier: Address
columnName: IPAddress
entityType: IP
- fieldMappings:
- identifier: MailboxPrimaryAddress
columnName: AccountEmail
entityType: Mailbox
kind: scheduled
triggerOperator: gt
name: SpyCloud plaintext credential exposure detected
version: 1.0.0
requiredDataConnectors:
- dataTypes:
- SpyCloudBreachWatchlistV2_CL
connectorId: SpyCloudEnterpriseProtectionCCF
description: |
'Identifies user accounts exposed with a plaintext password in a third-party data breach.
Unremediated exposures of this kind can lead directly to account takeover.'
relevantTechniques:
- T1555
queryPeriod: 2d
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SpyCloud%20Enterprise%20Protection%20CCF/Analytic%20Rules/AR_Breached_Users_20.yaml
triggerThreshold: 0
eventGroupingSettings:
aggregationKind: SingleAlert
{
"$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/a25eba0e-ff42-4c97-a379-d76bdb2aa1e3')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a25eba0e-ff42-4c97-a379-d76bdb2aa1e3')]",
"properties": {
"alertRuleTemplateName": "a25eba0e-ff42-4c97-a379-d76bdb2aa1e3",
"customDetails": null,
"description": "'Identifies user accounts exposed with a plaintext password in a third-party data breach.\nUnremediated exposures of this kind can lead directly to account takeover.'\n",
"displayName": "SpyCloud plaintext credential exposure detected",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountName",
"identifier": "Name"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "IPAddress",
"identifier": "Address"
}
]
},
{
"entityType": "Mailbox",
"fieldMappings": [
{
"columnName": "AccountEmail",
"identifier": "MailboxPrimaryAddress"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "SingleAlert"
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SpyCloud%20Enterprise%20Protection%20CCF/Analytic%20Rules/AR_Breached_Users_20.yaml",
"query": "// Human-readable constant for the severity threshold used below\nlet severityThreshold = 20;\nSpyCloudBreachWatchlistV2_CL\n| where Severity == severityThreshold\n| mv-expand IPAddress = IPAddresses to typeof(string)\n| extend AccountName = Username, AccountEmail = Email\n| project TimeGenerated, DocumentId, SourceId, SpyCloudPublishDate, AccountEmail,\n TargetDomain, PasswordPlaintext, AccountName, IPAddress\n",
"queryFrequency": "PT1H",
"queryPeriod": "P2D",
"severity": "High",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"CredentialAccess"
],
"techniques": [
"T1555"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}