Azure Monitor Azure-Microsoft.Insights

2 operations, identified by operationName in the audit log.

operationName	Description
_catch_all	Catch-all for Azure-Microsoft.Insights rules matching the resource provider but no specific operation.
Microsoft.Insights/diagnosticSettings/delete	Deletes a diagnostic setting, removing the log-forwarding configuration for a resource; adversaries use this to blind logging pipelines.

_catch_all: Azure Monitor (catch-all)

Resource provider: Azure-Microsoft.Insights

Description

Catch-all for Azure-Microsoft.Insights rules matching the resource provider but no specific operation.

Fields #

Name	Description
`OperationName`	Localized display name of the ARM operation. Sentinel also exposes OperationNameValue (the uppercase ARM operation string the catalog keys on).
`OperationNameValue`	The ARM operation string (e.g. MICROSOFT.COMPUTE/VIRTUALMACHINES/WRITE). The per-event discriminator; case-insensitive.
`ResourceProvider`	The Azure resource-provider namespace (e.g. Microsoft.Compute).
`ResourceId`	Full ARM resource id the operation acted on.
`Caller`	Identity that initiated the operation (UPN, object id, or service principal).
`CallerIpAddress`	IP address of the caller.
`ActivityStatusValue`	Operation status (Started, Succeeded, Failed, Accepted).
`Level`	Severity level of the activity record (Informational, Warning, Error, Critical).
`Authorization`	RBAC authorization context: the action evaluated, scope, and role assignment.
`Properties`	Operation-specific properties bag; shape varies by operation.
`SubscriptionId`	GUID of the subscription the resource belongs to.
`TimeGenerated`	UTC timestamp when the event was recorded.

References #

Azure resource provider operations reference https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations
Azure Monitor AzureActivity table schema https://learn.microsoft.com/en-us/azure/azure-monitor/reference/tables/azureactivity

Microsoft.Insights/diagnosticSettings/delete

Resource provider: Azure-Microsoft.Insights

Description

Deletes a diagnostic setting, removing the log-forwarding configuration for a resource; adversaries use this to blind logging pipelines.

Fields #

Name	Description
`OperationName`	Localized display name of the ARM operation. Sentinel also exposes OperationNameValue (the uppercase ARM operation string the catalog keys on).
`OperationNameValue`	The ARM operation string (e.g. MICROSOFT.COMPUTE/VIRTUALMACHINES/WRITE). The per-event discriminator; case-insensitive.
`ResourceProvider`	The Azure resource-provider namespace (e.g. Microsoft.Compute).
`ResourceId`	Full ARM resource id the operation acted on.
`Caller`	Identity that initiated the operation (UPN, object id, or service principal).
`CallerIpAddress`	IP address of the caller.
`ActivityStatusValue`	Operation status (Started, Succeeded, Failed, Accepted).
`Level`	Severity level of the activity record (Informational, Warning, Error, Critical).
`Authorization`	RBAC authorization context: the action evaluated, scope, and role assignment.
`Properties`	Operation-specific properties bag; shape varies by operation.
`SubscriptionId`	GUID of the subscription the resource belongs to.
`TimeGenerated`	UTC timestamp when the event was recorded.

Common Indicators #

Field/value combinations most frequently checked by detection rules targeting this event, derived from cross-vendor predicate analysis.

Field	Kind	Value	Rules	Vendors
`event.outcome`	in	`Success`	1 rule	elastic
`event.outcome`	in	`success`	1 rule	elastic

Detection Rules #

View all rules referencing this event →

Elastic #

Azure Diagnostic Settings Deleted source medium: Identifies the deletion of diagnostic settings in Azure, which send platform logs and metrics to different destinations. An adversary may delete diagnostic settings in an attempt to evade defenses.

Kusto #

Azure Diagnostic settings removed from a resource source medium: This query looks for diagnostic settings that are removed from a resource. This could indicate an attacker or malicious internal trying to evade detection before malicious act is performed. If the diagnostic settings are being deleted as part of a parent resource deletion, the event is ignores.

References #

Azure resource provider operations reference https://learn.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations
Azure Monitor AzureActivity table schema https://learn.microsoft.com/en-us/azure/azure-monitor/reference/tables/azureactivity

`j` / `k`	Scroll down / up
`d` / `u`	Half-page down / up
`gg` / `G`	Top / bottom
`h` / `l`	History back / forward
`f`	Follow link (`Shift` = new tab)
`/`	Focus search
`?`	Toggle this help
`↑` / `↓`	Navigate search results
`Enter`	Open highlighted result
`Esc`	Close results / dialog

`type:`	`events` / `rules` / `providers`
`vendor:`	`sigma` / `elastic` / `splunk` / `kusto` / `chronicle` (vendor name alone also works: `sigma:`, `kql:`, `secops:`…)
`tactic:`	TA-id, slug, or name: `credential_access`, `TA0006`
`technique:`	technique or sub-technique ID: `T1003`, `T1003.001` (alias `tech:`)
`severity:`	`critical` / `high` / `medium` / `low` / `informational` (alias `sev:`)
`risk_score`	Numeric comparison on the Elastic risk score (0 to 100): `risk_score>50`, `risk_score<=20`, `risk_score=99` (alias `risk`; Elastic rules only)
`stages:`	Rules with exactly N pipeline stages
`correlation:`	`single_event` / `sequence` / `alternatives` / `alternatives_cross_log` / `all_required` / `correlated`
`with:`	Co-occurrence event-id; stacks (`with:4624 with:4769`) to require all, while a comma list in one occurrence (`with:4624,4769`) is an either-or group. Implies multi-event
`like:`	Structural neighbors of a rule slug (equivalents + subsumption stricter / broader): `like:comsvcs_lsass_memory_dump-splunk-sysmon`
`groupby:`	Entity-grouping substring match against `group_by_keys`: `groupby:user`, `groupby:host`
`uses:`	Rules whose predicate tree touches the field (any kind, any value): `uses:CommandLine`
`excludes:`	Rules with top-level `not()` clauses on the field (FP whitelists): `excludes:ParentImage`
`field:` / `value:`	Predicate search; narrows rule cards to those with a matching leaf and drives the indicator tier. Unquoted = substring, wildcards allowed (`value:mimikatz`)
`indicator:`	Shorthand for `field:F value:V`: `indicator:Image=*\powershell.exe`
`kind:`	Filter by predicate kind. Narrows rule cards to those carrying a matching predicate leaf (`vendor:elastic kind:cidr_match`) and drives the indicator tier: `contains` / `starts_with` / `ends_with` / `regex` / `cidr` / `eq` / `in` … (operator aliases `op:`/`match:`)
`has:` / `no:`	`sample`, `field`, `notes`, `refs`, `trace`, `thirdparty`, `rule`, `pattern`, `timewindow`, `threshold`, `newterms`, `sigma`/`elastic`/`splunk`/`kusto`/`chronicle`
`-op:val`	Exclude matches; works on most operators but not `type:`/`like:`/`has:`/`no:` (use `no:<flag>` to exclude a rule flag): `tactic:execution -vendor:splunk`. Standalone `-kind:`/`-field:`/`-value:` drop every rule carrying a matching predicate leaf (`type:rules -kind:is_null`)
`field:"…"` / `value:"…"`	Quoted value = anchored exact match (also allows spaces): `value:"net user"`
`a,b`	Comma = OR inside one operator (`vendor:sigma,elastic`, `severity:high,critical`); repeating a facet merges the same way. `field:`/`value:` never split (literal commas)
`vendors:` / `stage:`	Singular and plural spellings fold to the canonical operator and value: `tactics:` = `tactic:`, `type:event` = `type:events`, `correlation:sequences` = `correlation:sequence`, `has:thresholds` = `has:threshold`
`"quoted phrase"`	Exact-match a multi-word phrase (free text)

Azure Monitor Azure-Microsoft.Insights

_catch_all: Azure Monitor (catch-all)

Description

Fields #

References #

Microsoft.Insights/diagnosticSettings/delete

Description

Fields #

Common Indicators #

Detection Rules #

Elastic #

Kusto #

References #

Keyboard shortcuts

Search operators