Alsid LSASS Memory

Back


Id	3acf5617-7c41-4085-9a79-cc3a425ba83a
Rulename	Alsid LSASS Memory
Description	Searches for OS Credentials dumping attacks
Severity	High
Tactics	CredentialAccess
Techniques	T1003.001
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/LSASSMemory.yaml
Version	1.0.1
Arm template	3acf5617-7c41-4085-9a79-cc3a425ba83a.json

KQL

afad_parser
| where MessageType == 2 and Codename == "OS Credential Dumping: LSASS Memory"
| extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))

YAML

description: |
    'Searches for OS Credentials dumping attacks'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Alsid For AD/Analytic Rules/LSASSMemory.yaml
requiredDataConnectors:
- dataTypes:
  - AlsidForADLog_CL
  connectorId: AlsidForAD
query: |
  afad_parser
  | where MessageType == 2 and Codename == "OS Credential Dumping: LSASS Memory"
  | extend HostName = tostring(split(Host, '.', 0)[0]), DnsDomain = tostring(strcat_array(array_slice(split(Host, '.'), 1, -1), '.'))  
triggerThreshold: 0
name: Alsid LSASS Memory
relevantTechniques:
- T1003.001
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: HostName
    identifier: HostName
  - columnName: DnsDomain
    identifier: DnsDomain
tactics:
- CredentialAccess
queryPeriod: 2h
severity: High
status: Available
queryFrequency: 2h
id: 3acf5617-7c41-4085-9a79-cc3a425ba83a
kind: Scheduled
version: 1.0.1
triggerOperator: gt

ARM