Identifies the use of
net.exe to mount a WebDav or hidden remote share. This may indicate lateral movement or preparation for data exfiltration.
Rule type: eql
Risk score: 21
Runs every: 5m
Maximum alerts per execution: 100
- Threat Detection
- Lateral Movement
Rule license: Elastic License v2
## Config If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
process where event.type in ("start", "process_started") and ((process.name : "net.exe" or process.pe.original_file_name == "net.exe") or ((process.name : "net1.exe" or process.pe.original_file_name == "net1.exe") and not process.parent.name : "net.exe")) and process.args : "use" and /* including hidden and webdav based online shares such as onedrive */ process.args : ("\\\\*\\*$*", "\\\\*@SSL\\*", "http*") and /* excluding shares deletion operation */ not process.args : "/d*"
Framework: MITRE ATT&CKTM
- Name: Lateral Movement
- ID: TA0008
- Reference URL: https://attack.mitre.org/tactics/TA0008/
- Name: Remote Services
- ID: T1021
- Reference URL: https://attack.mitre.org/techniques/T1021/
- Name: SMB/Windows Admin Shares
- ID: T1021.002
- Reference URL: https://attack.mitre.org/techniques/T1021/002/