PaloAlto - User privileges was changed
Id | 38f9e010-51ca-11ec-bf63-0242ac130002 |
Rulename | PaloAlto - User privileges was changed |
Description | Detects changing of user privileges. |
Severity | Medium |
Tactics | InitialAccess |
Techniques | T1190 T1133 |
Required data connectors | CefAma |
Kind | Scheduled |
Query frequency | 1h |
Query period | 14d |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoCDL/Analytic Rules/PaloAltoCDLPrivilegesWasChanged.yaml |
Version | 1.0.4 |
Arm template | 38f9e010-51ca-11ec-bf63-0242ac130002.json |
let q_period = 14d;
let dt_lookBack = 24h;
let p = PaloAltoCDLEvent
| where TimeGenerated between (ago(q_period)..ago(dt_lookBack))
| summarize OldPrivileges = make_set(DestinationUserPrivileges) by DstUsername;
PaloAltoCDLEvent
| where TimeGenerated > ago(dt_lookBack)
| summarize NewPrivileges = make_set(DestinationUserPrivileges) by DstUsername
| join kind=innerunique (p) on DstUsername
| where tostring(OldPrivileges) != tostring(NewPrivileges)
| extend AccountCustomEntity = DstUsername
name: PaloAlto - User privileges was changed
version: 1.0.4
severity: Medium
queryFrequency: 1h
triggerOperator: gt
relevantTechniques:
- T1190
- T1133
status: Available
description: |
'Detects changing of user privileges.'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoCDL/Analytic Rules/PaloAltoCDLPrivilegesWasChanged.yaml
requiredDataConnectors:
- connectorId: CefAma
dataTypes:
- CommonSecurityLog
entityMappings:
- fieldMappings:
- identifier: Name
columnName: AccountCustomEntity
entityType: Account
tactics:
- InitialAccess
queryPeriod: 14d
query: |
let q_period = 14d;
let dt_lookBack = 24h;
let p = PaloAltoCDLEvent
| where TimeGenerated between (ago(q_period)..ago(dt_lookBack))
| summarize OldPrivileges = make_set(DestinationUserPrivileges) by DstUsername;
PaloAltoCDLEvent
| where TimeGenerated > ago(dt_lookBack)
| summarize NewPrivileges = make_set(DestinationUserPrivileges) by DstUsername
| join kind=innerunique (p) on DstUsername
| where tostring(OldPrivileges) != tostring(NewPrivileges)
| extend AccountCustomEntity = DstUsername
kind: Scheduled
triggerThreshold: 0
id: 38f9e010-51ca-11ec-bf63-0242ac130002
{
"$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/38f9e010-51ca-11ec-bf63-0242ac130002')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/38f9e010-51ca-11ec-bf63-0242ac130002')]",
"properties": {
"alertRuleTemplateName": "38f9e010-51ca-11ec-bf63-0242ac130002",
"customDetails": null,
"description": "'Detects changing of user privileges.'\n",
"displayName": "PaloAlto - User privileges was changed",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountCustomEntity",
"identifier": "Name"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/PaloAltoCDL/Analytic Rules/PaloAltoCDLPrivilegesWasChanged.yaml",
"query": "let q_period = 14d;\nlet dt_lookBack = 24h;\nlet p = PaloAltoCDLEvent\n| where TimeGenerated between (ago(q_period)..ago(dt_lookBack))\n| summarize OldPrivileges = make_set(DestinationUserPrivileges) by DstUsername;\nPaloAltoCDLEvent\n| where TimeGenerated > ago(dt_lookBack)\n| summarize NewPrivileges = make_set(DestinationUserPrivileges) by DstUsername\n| join kind=innerunique (p) on DstUsername\n| where tostring(OldPrivileges) != tostring(NewPrivileges)\n| extend AccountCustomEntity = DstUsername\n",
"queryFrequency": "PT1H",
"queryPeriod": "P14D",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"InitialAccess"
],
"techniques": [
"T1133",
"T1190"
],
"templateVersion": "1.0.4",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}