IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Potential DNS Tunneling via NsLookup
editPotential DNS Tunneling via NsLookup
editThis rule identifies a large number (15) of nslookup.exe executions with an explicit query type from the same host. This may indicate command and control activity utilizing the DNS protocol.
Rule type: threshold
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:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Command and Control
Version: 3
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editevent.category:process and event.type:start and process.name:nslookup.exe and process.args:(-querytype=* or -qt=* or -q=* or -type=*)
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Command and Control
- ID: TA0011
- Reference URL: https://attack.mitre.org/tactics/TA0011/
-
Technique:
- Name: Application Layer Protocol
- ID: T1071
- Reference URL: https://attack.mitre.org/techniques/T1071/
-
Sub-technique:
- Name: DNS
- ID: T1071.004
- Reference URL: https://attack.mitre.org/techniques/T1071/004/