Microsoft Sentinel Analytic Rules
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Claroty - Login to uncommon location

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Ide7dbcbc3-b18f-4635-b27c-718195c369f1
RulenameClaroty - Login to uncommon location
DescriptionDetects user login to uncommon location.
SeverityMedium
TacticsInitialAccess
TechniquesT1190
T1133
Required data connectorsCefAma
KindScheduled
Query frequency1h
Query period14d
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotyLoginToUncommonSite.yaml
Version1.0.3
Arm templatee7dbcbc3-b18f-4635-b27c-718195c369f1.json
Deploy To Azure
let usr_sites = ClarotyEvent
| where TimeGenerated > ago(14d)
| where EventType has 'Login to SRA succeeded'
| extend Site = column_ifexists("site_name","")
| where isnotempty(Site)
| extend SrcUsername = extract(@'User\s(.*?)\slogged', 1, EventMessage)
| summarize all_loc = makeset(tostring(Site)) by SrcUsername
| extend k = 1;
ClarotyEvent
| where EventType has 'Login to SRA succeeded'
| extend Site = column_ifexists("site_name","")
| where isnotempty(Site)
| extend SrcUsername = extract(@'User\s(.*?)\slogged', 1, EventMessage)
| extend k = 1
| join kind=innerunique (usr_sites) on k
| where all_loc !contains Site
| extend SrcIpAddr
description: |
    'Detects user login to uncommon location.'
entityMappings:
- fieldMappings:
  - columnName: SrcIpAddr
    identifier: Address
  entityType: IP
query: |
  let usr_sites = ClarotyEvent
  | where TimeGenerated > ago(14d)
  | where EventType has 'Login to SRA succeeded'
  | extend Site = column_ifexists("site_name","")
  | where isnotempty(Site)
  | extend SrcUsername = extract(@'User\s(.*?)\slogged', 1, EventMessage)
  | summarize all_loc = makeset(tostring(Site)) by SrcUsername
  | extend k = 1;
  ClarotyEvent
  | where EventType has 'Login to SRA succeeded'
  | extend Site = column_ifexists("site_name","")
  | where isnotempty(Site)
  | extend SrcUsername = extract(@'User\s(.*?)\slogged', 1, EventMessage)
  | extend k = 1
  | join kind=innerunique (usr_sites) on k
  | where all_loc !contains Site
  | extend SrcIpAddr  
tactics:
- InitialAccess
severity: Medium
triggerThreshold: 0
queryFrequency: 1h
status: Available
queryPeriod: 14d
relevantTechniques:
- T1190
- T1133
id: e7dbcbc3-b18f-4635-b27c-718195c369f1
name: Claroty - Login to uncommon location
kind: Scheduled
triggerOperator: gt
version: 1.0.3
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotyLoginToUncommonSite.yaml
requiredDataConnectors:
- dataTypes:
  - CommonSecurityLog
  connectorId: CefAma