Suspicious .NET Code Compilation | Elastic Security Solution [7.10]

IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

› › ›

« Sudoers File Modification Suspicious Activity Reported by Okta User »

Suspicious .NET Code Compilationedit

Identifies suspicious .NET code execution. connections.

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
Host
Windows
Threat Detection
Defense Evasion

Version: 1

Added (Elastic Stack release): 7.10.0

Rule authors: Elastic

Rule license: Elastic License

Rule queryedit

event.category:process and event.type:(start or process_started) and
process.name:(csc.exe or vbc.exe) and process.parent.name:(wscript.exe
or mshta.exe or wscript.exe or wmic.exe or svchost.exe or rundll32.exe
or cmstp.exe or regsvr32.exe)

Threat mappingedit

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: Process Injection
- ID: T1055
- Reference URL: https://attack.mitre.org/techniques/T1055/

« Sudoers File Modification Suspicious Activity Reported by Okta User »