Rule to collect events for failed password change
An unsuccessful password change operation has been detected in the system log files.
A password was unsuccessfully changed on the system. This monitor allows system administrators to track password changes.
The description of the alert and/or the output data item contains information on the event encountered. If the activity appears suspicious, please check the associated event details and any other events that happened around the time of this event.
Target | Microsoft.ACS.Linux.SLES.11.ACSEndPoint |
Category | EventCollection |
Enabled | True |
Alert Generate | False |
Remotable | True |
ID | Module Type | TypeId | RunAs |
---|---|---|---|
EventDS | DataSource | Microsoft.Unix.SCXLog.Privileged.Datasource | Default |
WA | WriteAction | Microsoft.ACS.Unix.SecureEventLogWriter | Default |
<Rule ID="Microsoft.ACS.Linux.SLES.11.Password.Change.Failed" Enabled="true" Target="Microsoft.ACS.Linux.SLES.11.ACSEndPoint" Remotable="true">
<Category>EventCollection</Category>
<DataSources>
<DataSource ID="EventDS" TypeID="Unix!Microsoft.Unix.SCXLog.Privileged.Datasource">
<Host>$Target/Host/Property[Type="Unix!Microsoft.Unix.Computer"]/NetworkName$</Host>
<LogFile>/var/log/messages</LogFile>
<!-- [TYPE] SUSE Password False -->
<!-- [INPUT] Oct 19 09:58:10 scxcr-sles11-03 passwd[5588]: User jeffcof: Authentication failure -->
<!-- [EXPECTED] date="Oct 19 09:58:10"; hostname="scxcr-sles11-03"; process="passwd"; processId="5588"; clientUser="jeffcof" -->
<RegExpFilter>\s+passwd\[[[:digit:]]+\]: User \S+: Authentication failure</RegExpFilter>
</DataSource>
</DataSources>
<WriteActions>
<WriteAction ID="WA" TypeID="ACS.Unix!Microsoft.ACS.Unix.SecureEventLogWriter">
<RegExp>(?'date'\S+\s+\d+\s+\d+:\d+:\d+)\s+(?:\S+:)?(?'hostname'\S+)\s+(?'process'passwd)\[(?'processId'\d+)\]: User (?'clientUser'\S+): Authentication failure</RegExp>
<EventType>0</EventType>
<EventId>27003</EventId>
<BackrefOverrides>sessionName="Password not changed"</BackrefOverrides>
</WriteAction>
</WriteActions>
</Rule>