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.*
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:
- Elastic
- Host
- Windows
- Threat Detection
- Initial Access
Version: 102
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editsequence by host.id with maxspan = 5s
[any where (event.category == "library" 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 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/