IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Suspicious Managed Code Hosting Process
editSuspicious Managed Code Hosting Process
editIdentifies a suspicious managed code hosting process which could indicate code injection or other form of suspicious code execution.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: high
Risk score: 73
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Defense Evasion
Version: 4 (version history)
Added (Elastic Stack release): 7.10.0
Last modified (Elastic Stack release): 7.13.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule query
editsequence by process.entity_id with maxspan=5m [process where event.type == "start" and process.name : ("wscript.exe", "cscript.exe", "mshta.exe", "wmic.exe", "regsvr32.exe", "svchost.exe", "dllhost.exe", "cmstp.exe")] [file where event.type != "deletion" and file.name : ("wscript.exe.log", "cscript.exe", "mshta.exe.log", "wmic.exe.log", "svchost.exe.log", "dllhost.exe.log", "cmstp.exe.log", "regsvr32.exe.log")]
Threat mapping
editFramework: MITRE ATT&CKTM
-
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/
Rule version history
edit- Version 4 (7.13.0 release)
-
-
Updated query, changed from:
event.category:file and not event.type:deletion and file.name:(wscript.exe.log or mshta.exe.log or wscript.exe.log or wmic.exe.log or svchost.exe.log or dllhost.exe.log or cmstp.exe.log or regsvr32.exe.log)
-
- Version 3 (7.12.0 release)
-
- Formatting only
- Version 2 (7.11.2 release)
-
- Formatting only