Alsid Indicators of Attack

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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

KQL

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), '.'))

YAML

status: Available
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) [
  "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), '.'))  
requiredDataConnectors:
- dataTypes:
  - AlsidForADLog_CL
  connectorId: AlsidForAD
tactics:
- CredentialAccess
name: Alsid Indicators of Attack
relevantTechniques:
- T1110
severity: Low
entityMappings:
- fieldMappings:
  - identifier: HostName
    columnName: HostName
  - identifier: DnsDomain
    columnName: DnsDomain
  entityType: Host
kind: Scheduled
queryFrequency: 2h
description: |
    'Searches for triggered Indicators of Attack'
triggerThreshold: 0
triggerOperator: gt
version: 1.0.1
queryPeriod: 2h
id: 3caa67ef-8ed3-4ab5-baf2-3850d3667f3d

ARM