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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.*
- 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
- Command and Control
Version: 3
Rule authors:
- Elastic
Rule license: Elastic License v2
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", "egress") and network.type == "ipv4" and destination.ip != "127.0.0.1" ] [file where event.type == "creation" and file.extension : ("exe", "dll")]
Framework: 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/