RID Hijacking
'This query detects all authentication attempts of non administrator accounts that their RID is ending in *-500. Ref: https://stealthbits.com/blog/rid-hijacking-when-guests-become-admins/'
Microsoft Sentinel (KQL)

'This query detects all authentication attempts of non administrator accounts that their RID is ending in *-500. Ref: https://stealthbits.com/blog/rid-hijacking-when-guests-become-admins/'

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