The SIEM app is now a part of the Elastic Security solution.
Click
here to view the current documentation.
IMPORTANT: No additional bug fixes or documentation updates will be released for this version.
IMPORTANT: No additional bug fixes or documentation updates will be released for this version.
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-*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-6m (Date Math format, see also Additional look-back time)
Maximum signals per execution: 100
Tags:
- Elastic
- Windows
Version: 2 (version history)
Added (Elastic Stack release): 7.6.0
Last modified (Elastic Stack release): 7.7.0
Rule query
editevent.action:"Network connection detected (rule: NetworkConnect)" 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 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")