Description
'Identifies when the exchange audit logging has been disabled which may be an adversary attempt to evade detection or avoid other defenses.'
- Rule type
- Scheduled
- Version
- 2.0.6
- Declared status
- Available
- Query frequency
- 1d
- Query period
- 1d
- Trigger
- gt 0
Declared MITRE coverage
Declared sources
Metadata from the source file. No dependencies inferred from KQL.
Connectors
Data types
KQL query
Original query, unchanged.
OfficeActivity
| where OfficeWorkload =~ "Exchange"
| where UserType in~ ("Admin","DcAdmin")
// Only admin or global-admin can disable audit logging
| where Operation =~ "Set-AdminAuditLogConfig"
| extend AdminAuditLogEnabledValue = tostring(parse_json(tostring(parse_json(tostring(array_slice(parse_json(Parameters),3,3)))[0])).Value)
| where AdminAuditLogEnabledValue =~ "False"
| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated), OperationCount = count() by Operation, UserType, UserId, ClientIP, ResultStatus, Parameters, AdminAuditLogEnabledValue
| extend AccountName = iff(UserId contains '@', tostring(split(UserId, '@')[0]), UserId)
| extend AccountUPNSuffix = iff(UserId contains '@', tostring(split(UserId, '@')[1]), '')
| extend AccountName = iff(UserId contains '\\', tostring(split(UserId, '\\')[1]), AccountName)
| extend AccountNTDomain = iff(UserId contains '\\', tostring(split(UserId, '\\')[0]), '')
Declared entities
Related content
Links established from declared identifiers and solution manifests.
Source provenance
GitHubDisplayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.
- Commit
9800e51↗- Source identifier
194dd92e-d6e7-4249-85a5-273350a7f5ce
GSTEP / CATALOG TRACKING
Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC