Claroty - Login to uncommon location
| Id | e7dbcbc3-b18f-4635-b27c-718195c369f1 |
| Rulename | Claroty - Login to uncommon location |
| Description | Detects user login to uncommon location. |
| Severity | Medium |
| Tactics | InitialAccess |
| Techniques | T1190 T1133 |
| Required data connectors | CefAma |
| Kind | Scheduled |
| Query frequency | 1h |
| Query period | 14d |
| Trigger threshold | 0 |
| Trigger operator | gt |
| Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Claroty/Analytic Rules/ClarotyLoginToUncommonSite.yaml |
| Version | 1.0.3 |
| Arm template | e7dbcbc3-b18f-4635-b27c-718195c369f1.json |
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