IIS WebServer Access Logs Deleted

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About the rule

Rule Type

Standard

Rule Description

Detects the deletion of IIS WebServer access logs which may indicate an attempt to destroy forensic evidence

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "File deleted" AND (FILENAME contains "\inetpub\logs\LogFiles" OR OBJECTNAME contains "\inetpub\logs\LogFiles") AND (FILENAME endswith ".log" OR OBJECTNAME endswith ".log") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.PROCESSNAME,Action1.ACCESSLIST,Action1.OBJECTNAME,Action1.FILENAME,Action1.FILETYPE

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Tim Rauch (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)