AWS IAM Access Analyzer AWS-access-analyzer

2 operations, identified by eventName in the audit log.

eventName	Description
_catch_all	Catch-all entry for AWS-access-analyzer rules that match the service but not a specific eventName.
DeleteAnalyzer	Deletes the specified IAM Access Analyzer, stopping all findings generation for resources monitored by that analyzer.

_catch_all: AWS-access-analyzer (catch-all)

Service: AWS-access-analyzer

Description

Catch-all entry for AWS-access-analyzer rules that match the service but not a specific eventName.

Fields #

Name	Description
`eventName`	The name of the API action that was called.
`eventSource`	The AWS service endpoint that received the request (e.g. iam.amazonaws.com).
`eventType`	CloudTrail event category: AwsApiCall, AwsConsoleSignIn, AwsConsoleAction, AwsServiceEvent, or AwsVpceEvents.
`userIdentity`	The IAM entity that made the request (type, principalId, arn, accountId, sessionContext).
`sourceIPAddress`	IP address of the caller, or the AWS service principal for service-initiated calls.
`awsRegion`	AWS Region the request was made to.
`requestParameters`	Parameters sent with the request. Shape is action-specific; null when none.
`responseElements`	Response elements. Shape is action-specific; null for reads or when absent.
`errorCode`	AWS service error code when the request failed. Absent on success.
`errorMessage`	Description of the error when errorCode is present.

DeleteAnalyzer

Service: AWS-access-analyzer

Description

Deletes the specified IAM Access Analyzer, stopping all findings generation for resources monitored by that analyzer.

Fields #

Name	Description
`eventName`	The name of the API action that was called.
`eventSource`	The AWS service endpoint that received the request (e.g. iam.amazonaws.com).
`eventType`	CloudTrail event category: AwsApiCall, AwsConsoleSignIn, AwsConsoleAction, AwsServiceEvent, or AwsVpceEvents.
`userIdentity`	The IAM entity that made the request (type, principalId, arn, accountId, sessionContext).
`sourceIPAddress`	IP address of the caller, or the AWS service principal for service-initiated calls.
`awsRegion`	AWS Region the request was made to.
`requestParameters`	Parameters sent with the request. Shape is action-specific; null when none.
`responseElements`	Response elements. Shape is action-specific; null for reads or when absent.
`errorCode`	AWS service error code when the request failed. Absent on success.
`errorMessage`	Description of the error when errorCode is present.

Detection Rules #

View all rules referencing this event →

YARA-L #

AWS IAM Access Analyzer Deleted source: Detects when AWS IAM Access Analyzer is deleted.

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`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)

AWS IAM Access Analyzer AWS-access-analyzer

_catch_all: AWS-access-analyzer (catch-all)

Description

Fields #

DeleteAnalyzer

Description

Fields #

Detection Rules #

YARA-L #

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