Shadow Copy Messages (Part 1)

Vendor Documentation

https://windows-event-explorer.app.elstc.co/publisher/Volsnap/event/33/v0

https://kb.eventtracker.com/evtpass/evtpages/EventId_33_VolSnap_47346.asp#:~:text=Event%20ID%20%2D%2033&text=The%20oldest%20shadow%20copy%20of,below%20the%20user%20defined%20limit.&text=That%20message%20usually%20means%20that,failing%20backups%20when%20this%20happens.

Log Fields and Parsing

This section details the log fields available in this log message type, along with values parsed for both LogRhythm Default and LogRhythm Default v2.0 policies. A value of "N/A" (not applicable) means that there is no value parsed for a specified log field.

Log Field	LogRhythm Default	LogRhythm Default v2.0
Provider	<process>	<tag2>
EventID	<vmid>	<vmid>
Version	N/A	N/A
Level	<severity>	<severity>
Task	N/A	<vendorinfo>
Opcode	N/A	N/A
Keywords	N/A	<result>
TimeCreated	N/A	N/A
EventRecordID	N/A	N/A
Correlation	N/A	N/A
Execution	N/A	N/A
Channel	N/A	N/A
Computer	<dname>	<dname>
Security	N/A	N/A
Data	<object>	<object>
Data	<objectname>	N/A
Binary	N/A	N/A
RenderingInfo	N/A	N/A
Message	N/A	<subject>

Log Processing Settings

This section details log processing changes made from the LogRhythm Default policy to LogRhythm Default v2.0. In some cases, base rules are broken down into sub-rules to appropriately parse log message types by their event types.

LogRhythm Default

Regex ID	Rule Name	Rule Type	Common Event	Classification
1008312	Shadow Copy Messages	Base Rule	General Volume Shadow Copy Svc Task Information	Information
	EVID 33: Oldest Shadow Copy Deleted	Sub Rule	General Volume Shadow Copy Svc Task Information	Information
	EVID 67: A Shadow Copy Failed To Install	Sub Rule	General Volume Shadow Copy Svc Task Error	Error

LogRhythm Default v2.0

Regex ID	Rule Name	Rule Type	Common Event	Classification
1012689	V 2.0 : EVID 33: General Log Message	Base Rule	General Information Log Message	Information
	V 2.0 : EVID 33: Network Link Established	Sub Rule	Network Link Status	Information
	V 2.0 : EVID 33: Oldest Shadow Copy Deleted	Sub Rule	Object Deleted/Removed	Access Success