Alsid Indicators of Attack
Id | 3caa67ef-8ed3-4ab5-baf2-3850d3667f3d |
Rulename | Alsid Indicators of Attack |
Description | Searches for triggered Indicators of Attack |
Severity | Low |
Tactics | CredentialAccess |
Techniques | T1110 |
Required data connectors | AlsidForAD |
Kind | Scheduled |
Query frequency | 2h |
Query period | 2h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Alsid For AD/Analytic Rules/IndicatorsOfAttack.yaml |
Version | 1.0.1 |
Arm template | 3caa67ef-8ed3-4ab5-baf2-3850d3667f3d.json |
let SeverityTable=datatable(Severity:string,Level:int) [
"low", 1,
"medium", 2,
"high", 3,
"critical", 4
];
afad_parser
| where MessageType == 2
| lookup kind=leftouter SeverityTable on Severity
| order by Level
| extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))
queryPeriod: 2h
version: 1.0.1
tactics:
- CredentialAccess
queryFrequency: 2h
id: 3caa67ef-8ed3-4ab5-baf2-3850d3667f3d
triggerOperator: gt
requiredDataConnectors:
- dataTypes:
- AlsidForADLog_CL
connectorId: AlsidForAD
severity: Low
entityMappings:
- entityType: Host
fieldMappings:
- columnName: HostName
identifier: HostName
- columnName: DnsDomain
identifier: DnsDomain
triggerThreshold: 0
relevantTechniques:
- T1110
query: |
let SeverityTable=datatable(Severity:string,Level:int) [
"low", 1,
"medium", 2,
"high", 3,
"critical", 4
];
afad_parser
| where MessageType == 2
| lookup kind=leftouter SeverityTable on Severity
| order by Level
| extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))
kind: Scheduled
name: Alsid Indicators of Attack
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Alsid For AD/Analytic Rules/IndicatorsOfAttack.yaml
description: |
'Searches for triggered Indicators of Attack'
status: Available
{
"$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/3caa67ef-8ed3-4ab5-baf2-3850d3667f3d')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/3caa67ef-8ed3-4ab5-baf2-3850d3667f3d')]",
"properties": {
"alertRuleTemplateName": "3caa67ef-8ed3-4ab5-baf2-3850d3667f3d",
"customDetails": null,
"description": "'Searches for triggered Indicators of Attack'\n",
"displayName": "Alsid Indicators of Attack",
"enabled": true,
"entityMappings": [
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "HostName",
"identifier": "HostName"
},
{
"columnName": "DnsDomain",
"identifier": "DnsDomain"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Alsid For AD/Analytic Rules/IndicatorsOfAttack.yaml",
"query": "let SeverityTable=datatable(Severity:string,Level:int) [\n\"low\", 1,\n\"medium\", 2,\n\"high\", 3,\n\"critical\", 4\n];\nafad_parser\n| where MessageType == 2\n| lookup kind=leftouter SeverityTable on Severity\n| order by Level\n| extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))\n",
"queryFrequency": "PT2H",
"queryPeriod": "PT2H",
"severity": "Low",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"CredentialAccess"
],
"techniques": [
"T1110"
],
"templateVersion": "1.0.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}