IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Remote File Download via Script Interpreter
editRemote File Download via Script Interpreter
editIdentifies built-in Windows script interpreters (cscript.exe or wscript.exe) being used to download an executable file from a remote destination.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
Severity: medium
Risk score: 43
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
- Command and Control
Version: 1
Added (Elastic Stack release): 7.11.0
Rule authors: Elastic
Rule license: Elastic License
Rule query
editsequence by host.id, process.entity_id [network where process.name : ("wscript.exe", "cscript.exe") and network.protocol != "dns" and network.direction == "outgoing" and network.type == "ipv4" and destination.ip != "127.0.0.1" ] [file where event.type == "creation" and file.extension : ("exe", "dll")]
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Command and Control
- ID: TA0011
- Reference URL: https://attack.mitre.org/tactics/TA0011/
-
Technique:
- Name: Ingress Tool Transfer
- ID: T1105
- Reference URL: https://attack.mitre.org/techniques/T1105/