Question & Answer
Question
Why is the DSM Editor not highlighting a correct Regex match? Furthermore, my Custom Event Property populates the value correctly when I examine the event in Log Activity.
Example payload, the objective is to capture "SourceUser":
<13>Jun 02 13:23:53 10.10.10.10 EventFormatter=WindowsSplunkEventFormatter AgentDevice=WindowsLog AgentLogFile=Security Source=Microsoft Windows security auditing. Computer=HOSTNAME.ABC.LOCAL User= Domain= EventID=4738 EventIDCode=4738 EventType=8 EventCategory= RecordNumber=1355409588 TimeGenerated=1622633033 TimeWritten=1622633033 Message=A user account was changed. Subject: Security ID: S-1-5-21-752214896-4175829826-419224292-1112 Account Name: SourceUser Account Domain: ABC Logon ID: 0x6C236BB9 Target Account: Security ID: S-1-5-21-752214896-4175829826-419224292-181733 Account Name: DestinationUser Account Domain: ABC Changed Attributes: SAM Account Name: - Display Name: - User Principal Name: - Home Directory: - Home Drive: - Script Path: - Profile Path: - User Workstations: - Password Last Set: 02.06.2021 13:23:53 Account Expires: - Primary Group ID: - AllowedToDelegateTo: - Old UAC Value: - New UAC Value: - User Account Control: - User Parameters: - SID History: - Logon Hours: - Additional Information: Privileges: -
Regex 1, which highlights a match (note, the Override is selected and marked with a thin blue frame):
Message=.*?Account Name:\s+(.*?)\s+
Regex 2, which does not highlight a match (note, the Override is selected and marked with a thin blue frame):
EventID=(?:4738|4732).*Message=.*?Account Name:\s+(?:\S+(?:\s\S+)?\\)?([^@]+?)(?:@\S+)?\s\s*Account Domain:
[{"Type":"MASTER","Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSBQAC","label":"IBM Security QRadar SIEM"},"ARM Category":[{"code":"a8m0z000000cwtSAAQ","label":"DSM Editor"}],"ARM Case Number":"TS005327651","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]
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Document Information
Modified date:
19 July 2021
UID
ibm16473087