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MsBuild Making Network Connections
editMsBuild Making Network Connections
editIdentifies MsBuild.exe
making outbound network connections. This may indicate
adversarial activity as MsBuild is often leveraged by adversaries to execute
code and evade detection.
Rule type: query
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
Tags:
- Elastic
- Windows
Version: 4 (version history)
Added (Elastic Stack release): 7.6.0
Last modified (Elastic Stack release): 7.9.1
Rule authors: Elastic
Rule license: Elastic License
Rule query
editevent.category:network and event.type:connection and process.name:MSBuild.exe and not destination.ip:(127.0.0.1 or "::1")
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Trusted Developer Utilities
- ID: T1127
- Reference URL: https://attack.mitre.org/techniques/T1127/
Rule version history
edit- Version 4 (7.9.1 release)
-
- Formatting only
- Version 3 (7.9.0 release)
-
-
Updated query, changed from:
event.action:"Network connection detected (rule: NetworkConnect)" and process.name:MSBuild.exe and not destination.ip:(127.0.0.1 or "::1")
-
- Version 2 (7.7.0 release)
-
-
Updated query, changed from:
event.action:"Network connection detected (rule: NetworkConnect)" and process.name:MSBuild.exe and not destination.ip:("127.0.0.1" or "::1")
-