Skip to content

Latest commit

 

History

History
27 lines (25 loc) · 923 Bytes

MostImpersonatorsByAccount.md

File metadata and controls

27 lines (25 loc) · 923 Bytes
Raw

List the top 10 accounts that have the most impersonators

Defender For Endpoint

CloudAppEvents
| where IsImpersonated == 1
| extend
     MailboxOwnerUPN = tostring(parse_json(RawEventData).MailboxOwnerUPN),
     ActionPerformedBy = tostring(parse_json(RawEventData).UserId)
| where MailboxOwnerUPN != ActionPerformedBy
| summarize Impersonators = make_set(ActionPerformedBy) by MailboxOwnerUPN
| extend TotalImpersonators = array_length(Impersonators)
| top 10 by TotalImpersonators

Sentinel

CloudAppEvents
| where IsImpersonated == 1
| extend
     MailboxOwnerUPN = tostring(parse_json(RawEventData).MailboxOwnerUPN),
     ActionPerformedBy = tostring(parse_json(RawEventData).UserId)
| where MailboxOwnerUPN != ActionPerformedBy
| summarize Impersonators = make_set(ActionPerformedBy) by MailboxOwnerUPN
| extend TotalImpersonators = array_length(Impersonators)
| top 10 by TotalImpersonators