let lbtime = 5m;
CiscoISEEvent
| where TimeGenerated > ago(lbtime)
| where EventId == '59103'
| project TimeGenerated, DvcHostname, DvcIpAddr, DstUserName
| extend HostCustomEntity = DvcHostname
| extend IPCustomEntity = DvcIpAddr
| extend AccountCustomEntity = DstUserName
id: b6549a28-d61c-476e-b350-4404352ee427
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco ISE/Analytic Rules/CiscoISEAttempDeleteLocalStoreLogs.yaml
requiredDataConnectors:
- datatypes:
- Syslog
connectorId: SyslogAma
description: |
'Detects when attempt to delete local store logs failed.'
severity: Medium
queryPeriod: 5m
kind: Scheduled
tactics:
- DefenseEvasion
queryFrequency: 5m
query: |
let lbtime = 5m;
CiscoISEEvent
| where TimeGenerated > ago(lbtime)
| where EventId == '59103'
| project TimeGenerated, DvcHostname, DvcIpAddr, DstUserName
| extend HostCustomEntity = DvcHostname
| extend IPCustomEntity = DvcIpAddr
| extend AccountCustomEntity = DstUserName
version: 1.0.3
triggerThreshold: 0
name: CiscoISE - Attempt to delete local store logs
entityMappings:
- entityType: Account
fieldMappings:
- columnName: AccountCustomEntity
identifier: FullName
- entityType: IP
fieldMappings:
- columnName: IPCustomEntity
identifier: Address
- entityType: Host
fieldMappings:
- columnName: HostCustomEntity
identifier: FullName
status: Available
relevantTechniques:
- T1070
{
"$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/b6549a28-d61c-476e-b350-4404352ee427')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/b6549a28-d61c-476e-b350-4404352ee427')]",
"properties": {
"alertRuleTemplateName": "b6549a28-d61c-476e-b350-4404352ee427",
"customDetails": null,
"description": "'Detects when attempt to delete local store logs failed.'\n",
"displayName": "CiscoISE - Attempt to delete local store logs",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountCustomEntity",
"identifier": "FullName"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "IPCustomEntity",
"identifier": "Address"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "HostCustomEntity",
"identifier": "FullName"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco ISE/Analytic Rules/CiscoISEAttempDeleteLocalStoreLogs.yaml",
"query": "let lbtime = 5m;\nCiscoISEEvent\n| where TimeGenerated > ago(lbtime)\n| where EventId == '59103'\n| project TimeGenerated, DvcHostname, DvcIpAddr, DstUserName\n| extend HostCustomEntity = DvcHostname\n| extend IPCustomEntity = DvcIpAddr\n| extend AccountCustomEntity = DstUserName\n",
"queryFrequency": "PT5M",
"queryPeriod": "PT5M",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"DefenseEvasion"
],
"techniques": [
"T1070"
],
"templateVersion": "1.0.3",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}