IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Potential Network Share Discoveryedit
Adversaries may look for folders and drives shared on remote systems to identify sources of information to gather as a precursor for collection and identify potential systems of interest for Lateral Movement.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-windows.*
- logs-system.*
Severity: low
Risk score: 21
Runs every: 60m
Searches indices from: now-119m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Discovery
- Rule Type: BBR
Version: 1
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule queryedit
sequence by user.name, source.port, source.ip with maxspan=15s
[file where event.action == "network-share-object-access-checked" and
winlog.event_data.ShareName : ("\\*ADMIN$", "\\*C$") and
source.ip != null and source.ip != "0.0.0.0" and source.ip != "::1" and source.ip != "::" and source.ip != "127.0.0.1"]
[file where event.action == "network-share-object-access-checked" and
winlog.event_data.ShareName : ("\\*ADMIN$", "\\*C$") and
source.ip != null and source.ip != "0.0.0.0" and source.ip != "::1" and source.ip != "::" and source.ip != "127.0.0.1"]
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
-
Technique:
- Name: Network Share Discovery
- ID: T1135
- Reference URL: https://attack.mitre.org/techniques/T1135/