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 PowerShell Remote SSH Login Enabled via systemsetup Command »

› › ›

Remote File Download via Script Interpreter

edit

Remote File Download via Script Interpreter

edit

Identifies 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

edit

sequence 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

edit

Framework: MITRE ATT&CK^TM

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/

« Remote File Download via PowerShell Remote SSH Login Enabled via systemsetup Command »