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EVID 3 : Network Connection Detected (Sysmon 7.01)

Event Details

Event TypeNetwork Connection Detected
Event Description3 : Tracks network connection event logs and TCP/UDP connections on the machine.
Event ID3

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 FieldLogRhythm DefaultLogRhythm Default v2.0
ProviderN/A N/A
EventID<vmid><vmid>
VersionN/A N/A 
Level<severity><severity>
Task<vendorinfo><vendorinfo>
OpcodeN/A N/A 
KeywordsN/A <result>
TimeCreated N/A N/A 
EventRecordIDN/A N/A 
Correlation N/AN/A 
Execution N/A N/A 
ChannelN/A N/A 
ComputerN/A N/A 
Security N/A N/A 
ProcessGuidN/A N/A 
ProcessId<processid><processid>
Image<parentprocessname>, <parentprocesspath>, <process><process>
User<login>, <domain><login>, <domainorigin>
Protocol<protname><protname>
SourceIsIpv6<tag1>N/A 
InitiatedN/A N/A 
SourceIp<sip><sip>
SourceHostName<sname><sname>
SourcePort<sport><sport>
SourcePortNameN/A N/A 
DestinationIsIpv6N/A N/A 
DestinationIp<dip><dip>
DestinationHostName<dname><dname>
DestinationPort<dport><dport>
DestinationPortNameN/A N/A

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 Events

Classification

1009413EVID 3 : Network Connection DetectedBase RuleGeneral Network TrafficNetwork Traffic
EVID 3 : Inbound Network Connection DetectedSub RuleInbound Connection ObservedNetwork Traffic
EVID 3 : Outbound Network Connection DetectedSub RuleOutbound Connection ObservedNetwork Traffic

LogRhythm Default v2.0 

Regex ID

Rule Name

Rule Type

Common Events

Classification

1011220V 2.0 : EVID 3 : Network Connection DetectedBase RuleNetwork TrafficNetwork Traffic
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