RegAsm connects to smtp port

 1title: RegAsm connects to smtp port
 2status: experimental
 3description: RegAsm connects to smtp port 
 4author: Joe Security
 5date: 2019-11-12
 6id: 200026
 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\\*RegAsm.exe*'
20    condition: selection
21level: critical