IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Windows Script Interpreter Executing Process via WMI
editWindows Script Interpreter Executing Process via WMI
editIdentifies use of the built-in Windows script interpreters (cscript.exe or wscript.exe) being used to execute a process via Windows Management Instrumentation (WMI). This may be indicative of malicious activity.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
- endgame-*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Initial Access
- Tactic: Execution
- Data Source: Elastic Endgame
- Data Source: Elastic Defend
Version: 107
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editsequence by host.id with maxspan = 5s
[any where host.os.type == "windows" and
(event.category : ("library", "driver") or (event.category == "process" and event.action : "Image loaded*")) and
(dll.name : "wmiutils.dll" or file.name : "wmiutils.dll") and process.name : ("wscript.exe", "cscript.exe")]
[process where host.os.type == "windows" and event.type == "start" and
process.parent.name : "wmiprvse.exe" and
user.domain != "NT AUTHORITY" and
(process.pe.original_file_name :
(
"cscript.exe",
"wscript.exe",
"PowerShell.EXE",
"Cmd.Exe",
"MSHTA.EXE",
"RUNDLL32.EXE",
"REGSVR32.EXE",
"MSBuild.exe",
"InstallUtil.exe",
"RegAsm.exe",
"RegSvcs.exe",
"msxsl.exe",
"CONTROL.EXE",
"EXPLORER.EXE",
"Microsoft.Workflow.Compiler.exe",
"msiexec.exe"
) or
process.executable : ("C:\\Users\\*.exe", "C:\\ProgramData\\*.exe")
)
]
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Initial Access
- ID: TA0001
- Reference URL: https://attack.mitre.org/tactics/TA0001/
-
Technique:
- Name: Phishing
- ID: T1566
- Reference URL: https://attack.mitre.org/techniques/T1566/
-
Sub-technique:
- Name: Spearphishing Attachment
- ID: T1566.001
- Reference URL: https://attack.mitre.org/techniques/T1566/001/
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Command and Scripting Interpreter
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/
-
Sub-technique:
- Name: Visual Basic
- ID: T1059.005
- Reference URL: https://attack.mitre.org/techniques/T1059/005/
-
Technique:
- Name: Windows Management Instrumentation
- ID: T1047
- Reference URL: https://attack.mitre.org/techniques/T1047/