Microsoft-Windows-EapMethods-RasChap

8 events across 1 channel

Event	Title	Channel	Sample
100	Authentication succeeded for user Domain, in domain Username.	Operational	N
101	Authentication failed for user Domain, in domain Username, with error int1.	Operational	N
102	Authentication failed for user Domain, in domain Username because it was …	Operational	N
103	Authentication failed for user Domain, in domain Username because the user …	Operational	N
104	Authentication failed for user Domain, in domain Username because the user's …	Operational	N
105	Authentication failed for user Domain, in domain Username because the user does …	Operational	N
106	The user's effort to change their password failed.	Operational	N
107	Sending creds to server for Username: Domain.	Operational	N

Event ID 100: Authentication succeeded for user Domain, in domain Username.

Provider: Microsoft-Windows-EapMethods-RasChap
Channel: Operational
Task: Authenticationsucceeded.

Description

Authentication succeeded for user Domain, in domain Username.

Message #

Authentication succeeded for user %1, in domain %2.

Fields #

Name	Description
`Domain` AnsiString
`Username` AnsiString

Event ID 101: Authentication failed for user Domain, in domain Username, with error int1.

Provider: Microsoft-Windows-EapMethods-RasChap
Channel: Operational
Task: Authenticationfailed.

Description

Authentication failed for user Domain, in domain Username, with error int1.

Message #

Authentication failed for user %1, in domain %2, with error %3.

Fields #

Name	Description
`Domain` AnsiString
`Username` AnsiString
`int1` UInt32

Event ID 102: Authentication failed for user Domain, in domain Username because it was attempted outside permitted logon hours.

Provider: Microsoft-Windows-EapMethods-RasChap
Channel: Operational
Task: Authenticationfailed.

Description

Authentication failed for user Domain, in domain Username because it was attempted outside permitted logon hours.

Message #

Authentication failed for user %1, in domain %2 because it was attempted outside permitted logon hours.

Fields #

Name	Description
`Domain` AnsiString
`Username` AnsiString

Event ID 103: Authentication failed for user Domain, in domain Username because the user account is disabled.

Provider: Microsoft-Windows-EapMethods-RasChap
Channel: Operational
Task: Authenticationfailed.

Description

Authentication failed for user Domain, in domain Username because the user account is disabled.

Message #

Authentication failed for user %1, in domain %2 because the user account is disabled.

Fields #

Name	Description
`Domain` AnsiString
`Username` AnsiString

Event ID 104: Authentication failed for user Domain, in domain Username because the user's password has expired.

Provider: Microsoft-Windows-EapMethods-RasChap
Channel: Operational
Task: Authenticationfailed.

Description

Authentication failed for user Domain, in domain Username because the user's password has expired.

Message #

Authentication failed for user %1, in domain %2 because the user's password has expired.

Fields #

Name	Description
`Domain` AnsiString
`Username` AnsiString

Event ID 105: Authentication failed for user Domain, in domain Username because the user does not have dial-in permission.

Provider: Microsoft-Windows-EapMethods-RasChap
Channel: Operational
Task: Authenticationfailed.

Description

Authentication failed for user Domain, in domain Username because the user does not have dial-in permission.

Message #

Authentication failed for user %1, in domain %2 because the user does not have dial-in permission.

Fields #

Name	Description
`Domain` AnsiString
`Username` AnsiString

Event ID 106: The user's effort to change their password failed.

Provider: Microsoft-Windows-EapMethods-RasChap
Channel: Operational
Task: Authenticationfailed.

Description

The user's effort to change their password failed. Username: Domain. Domain: Username.

Message #

The user's effort to change their password failed. Username: %1. Domain: %2

Fields #

Name	Description
`Domain` AnsiString
`Username` AnsiString

Event ID 107: Sending creds to server for Username: Domain.

Provider: Microsoft-Windows-EapMethods-RasChap
Channel: Operational
Task: RasChapauthenticationinprogressevent

Description

Sending creds to server for Username: Domain. Domain: Username.

Message #

Sending creds to server for Username: %1. Domain: %2

Fields #

Name	Description
`Domain` AnsiString
`Username` AnsiString

Provenance

Where this provider's schema came from, and which Windows build it was observed on. Windows can change a provider's event schema between builds, so use this to judge whether it matches the build you collect from.

ETW provider GUID 58980f4b-bd39-4a3e-b344-492ed2254a4e

Defined in RasChap.dll, which carries the event manifest.

Observed on:

WS2022-20348.4893, schema read from the registered manifest, binary version 10.0.20348.1, captured 2026-06-02
Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.1, captured 2026-06-02

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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)

Microsoft-Windows-EapMethods-RasChap

Event ID 100: Authentication succeeded for user Domain, in domain Username.

Description

Message #

Fields #

Event ID 101: Authentication failed for user Domain, in domain Username, with error int1.

Description

Message #

Fields #

Event ID 102: Authentication failed for user Domain, in domain Username because it was attempted outside permitted logon hours.

Description

Message #

Fields #

Event ID 103: Authentication failed for user Domain, in domain Username because the user account is disabled.

Description

Message #

Fields #

Event ID 104: Authentication failed for user Domain, in domain Username because the user's password has expired.

Description

Message #

Fields #

Event ID 105: Authentication failed for user Domain, in domain Username because the user does not have dial-in permission.

Description

Message #

Fields #

Event ID 106: The user's effort to change their password failed.

Description

Message #

Fields #

Event ID 107: Sending creds to server for Username: Domain.

Description

Message #

Fields #

Provenance

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