User Accessed Suspicious URL Categories
Id | fb0f4a93-d8ad-4b54-9931-85bdb7550f90 |
Rulename | User Accessed Suspicious URL Categories |
Description | Creates an incident in the event the requested URL accessed by the user has been identified as Suspicious, Phishing, or Hacking. |
Severity | Medium |
Tactics | DefenseEvasion |
Required data connectors | SymantecProxySG |
Kind | Scheduled |
Query frequency | 1h |
Query period | 1h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SymantecProxySG/Analytic Rules/UserAccessedSuspiciousURLCategories.yaml |
Version | 1.0.1 |
Arm template | fb0f4a93-d8ad-4b54-9931-85bdb7550f90.json |
SymantecProxySG
| mv-expand cs_categories
| where cs_categories has_any ("Suspicious","phishing", "hacking")
| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), count() by sc_filter_result, cs_userdn, c_ip, cs_host, Computer, tostring(cs_categories)
| extend timestamp = StartTime, AccountCustomEntity = cs_userdn, IPCustomEntity = c_ip, HostCustomEntity = Computer
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SymantecProxySG/Analytic Rules/UserAccessedSuspiciousURLCategories.yaml
triggerOperator: gt
kind: Scheduled
entityMappings:
- fieldMappings:
- columnName: AccountCustomEntity
identifier: FullName
entityType: Account
- fieldMappings:
- columnName: HostCustomEntity
identifier: FullName
entityType: Host
- fieldMappings:
- columnName: IPCustomEntity
identifier: Address
entityType: IP
requiredDataConnectors:
- dataTypes:
- Syslog
connectorId: SymantecProxySG
queryPeriod: 1h
version: 1.0.1
query: |
SymantecProxySG
| mv-expand cs_categories
| where cs_categories has_any ("Suspicious","phishing", "hacking")
| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), count() by sc_filter_result, cs_userdn, c_ip, cs_host, Computer, tostring(cs_categories)
| extend timestamp = StartTime, AccountCustomEntity = cs_userdn, IPCustomEntity = c_ip, HostCustomEntity = Computer
tactics:
- DefenseEvasion
severity: Medium
name: User Accessed Suspicious URL Categories
description: |
'Creates an incident in the event the requested URL accessed by the user has been identified as Suspicious, Phishing, or Hacking.'
queryFrequency: 1h
triggerThreshold: 0
status: Available
id: fb0f4a93-d8ad-4b54-9931-85bdb7550f90
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2023-02-01-preview",
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/fb0f4a93-d8ad-4b54-9931-85bdb7550f90')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/fb0f4a93-d8ad-4b54-9931-85bdb7550f90')]",
"properties": {
"alertRuleTemplateName": "fb0f4a93-d8ad-4b54-9931-85bdb7550f90",
"customDetails": null,
"description": "'Creates an incident in the event the requested URL accessed by the user has been identified as Suspicious, Phishing, or Hacking.'\n",
"displayName": "User Accessed Suspicious URL Categories",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountCustomEntity",
"identifier": "FullName"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "HostCustomEntity",
"identifier": "FullName"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "IPCustomEntity",
"identifier": "Address"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/SymantecProxySG/Analytic Rules/UserAccessedSuspiciousURLCategories.yaml",
"query": "SymantecProxySG\n| mv-expand cs_categories\n| where cs_categories has_any (\"Suspicious\",\"phishing\", \"hacking\")\n| summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), count() by sc_filter_result, cs_userdn, c_ip, cs_host, Computer, tostring(cs_categories)\n| extend timestamp = StartTime, AccountCustomEntity = cs_userdn, IPCustomEntity = c_ip, HostCustomEntity = Computer\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "Medium",
"status": "Available",
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"DefenseEvasion"
],
"templateVersion": "1.0.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}