用于收集 su 的失败调用事件的规则
在系统日志文件中检测到不成功的“su”命令。
试图授予用户特权帐户的访问权限。该监视器允许系统管理员跟踪 'su' 使用率。
警报和/或输出数据项的描述包含有关遇到的事件的信息。如果活动显得可疑,请检查关联的事件详细信息以及此事件时间附近发生的任何其他事件。
Target | Microsoft.ACS.AIX.5.3.ACSEndPoint |
Category | EventCollection |
Enabled | False |
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.AIX.5.3.Su.Failed" Enabled="false" Target="Microsoft.ACS.AIX.5.3.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/syslog.log</LogFile>
<!-- [TYPE] AIX SU False -->
<!-- [INPUT] Oct 30 14:54:46 scxaix3-1 auth|security:crit su: BAD SU from scxuser to ccrammo at /dev/pts/1 -->
<!-- [EXPECTED] date="Oct 30 14:54:46"; hostname="scxaix3-1"; process="su"; clientUser="ccrammo"; user="scxuser" -->
<!-- [INPUT] Nov 12 14:28:51 scxaix3-1 auth|security:crit su: BAD SU from scxuser to ccrammo at vty1 -->
<!-- [EXPECTED] date="Nov 12 14:28:51"; hostname="scxaix3-1"; process="su"; clientUser="ccrammo"; user="scxuser" -->
<RegExpFilter>[[:space:]]+su:[[:space:]]*BAD SU from [^[:space:]]+ to [^[:space:]]+</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'su)\s*:\s*BAD SU from (?'user'\S+)\s+to\s+(?'clientUser'\S+)</RegExp>
<EventType>0</EventType>
<EventId>27003</EventId>
</WriteAction>
</WriteActions>
</Rule>