↳ GitHub sourceAnalytics ruleLow

AD account with Don't Expire Password

Description

'Identifies whenever a user account has the setting "Password Never Expires" in the user account properties selected. This is indicated in Security event 4738 in the EventData item labeled UserAccountControl with an included value of %%2089. %%2089 resolves to "Don't Expire Password - Enabled".'
Rule type
Scheduled
Version
1.2.2
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.

union isfuzzy=true
(
 SecurityEvent
 | where EventID == 4738
 // 2089 value indicates the Don't Expire Password value has been set
 | where UserAccountControl has "%%2089"
 | extend Value_2089 = iff(UserAccountControl has "%%2089","'Don't Expire Password' - Enabled", "Not Changed")
 // 2050 indicates that the Password Not Required value is NOT set, this often shows up at the same time as a 2089 and is the recommended value.  This value may not be in the event.
 | extend Value_2050 = iff(UserAccountControl has "%%2050","'Password Not Required' - Disabled", "Not Changed")
 // If value %%2082 is present in the 4738 event, this indicates the account has been configured to logon WITHOUT a password. Generally you should only see this value when an account is created and only in Event 4720: Account Creation Event.
 | extend Value_2082 = iff(UserAccountControl has "%%2082","'Password Not Required' - Enabled", "Not Changed")
 | project StartTime = TimeGenerated, EventID, Activity, Computer, TargetAccount, TargetUserName, TargetDomainName, TargetSid, 
 AccountType, UserAccountControl, Value_2089, Value_2050, Value_2082, SubjectAccount, SubjectUserName, SubjectDomainName, SubjectUserSid
 ),
 (
 WindowsEvent
 | where EventID == 4738 and EventData has '2089'
 // 2089 value indicates the Don't Expire Password value has been set
 | extend UserAccountControl = tostring(EventData.UserAccountControl)
 | where UserAccountControl has "%%2089"
 | extend Value_2089 = iff(UserAccountControl has "%%2089","'Don't Expire Password' - Enabled", "Not Changed")
 // 2050 indicates that the Password Not Required value is NOT set, this often shows up at the same time as a 2089 and is the recommended value.  This value may not be in the event.
 | extend Value_2050 = iff(UserAccountControl has "%%2050","'Password Not Required' - Disabled", "Not Changed")
 // If value %%2082 is present in the 4738 event, this indicates the account has been configured to logon WITHOUT a password. Generally you should only see this value when an account is created and only in Event 4720: Account Creation Event.
 | extend Value_2082 = iff(UserAccountControl has "%%2082","'Password Not Required' - Enabled", "Not Changed")
 | extend Activity="4738 - A user account was changed."
 | extend TargetAccount = strcat(EventData.TargetDomainName,"\\", EventData.TargetUserName)
 | extend TargetSid = tostring(EventData.TargetSid)
 | extend SubjectAccount = strcat(EventData.SubjectDomainName,"\\", EventData.SubjectUserName)
 | extend SubjectUserSid = tostring(EventData.SubjectUserSid)
 | extend AccountType=case(SubjectAccount endswith "$" or SubjectUserSid in ("S-1-5-18", "S-1-5-19", "S-1-5-20"), "Machine", isempty(SubjectUserSid), "", "User")
 | project StartTime = TimeGenerated, EventID, Activity, Computer, TargetAccount, TargetUserName = tostring(EventData.TargetUserName), TargetDomainName = tostring(EventData.TargetDomainName), TargetSid, 
 AccountType, UserAccountControl, Value_2089, Value_2050, Value_2082, SubjectAccount, SubjectDomainName = tostring(EventData.SubjectDomainName), SubjectUserName = tostring(EventData.SubjectUserName), SubjectUserSid = tostring(EventData.SubjectUserSid)
 )
 | extend HostName = tostring(split(Computer, ".")[0]), DomainIndex = toint(indexof(Computer, '.'))
 | extend HostNameDomain = iff(DomainIndex != -1, substring(Computer, DomainIndex + 1), Computer)
 | project-away DomainIndex

Declared entities

AccountHost

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
6c360107-f3ee-4b91-9f43-f4cfd90441cf
Additional source files 1Detections/SecurityEvent/password_never_expires.yamlsource ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.