MSBuild connects to smtp port

MSBuild connects to smtp port

Sigma rule (View on GitHub)

 1title: MSBuild connects to smtp port
 2status: experimental
 3description: MSBuild connects to smtp port 
 4author: Joe Security
 5date: 2019-11-19
 6id: 200029
 7threatname:
 8behaviorgroup: 12
 9classification: 1
10mitreattack: 
11
12logsource:
13    service: sysmon
14    product: windows
15detection:
16    selection:
17        EventID: 3
18        DestinationPort: '587'
19        Image: '*\Microsoft.NET\\*MSBuild.exe*'
20    condition: selection
21level: critical
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