IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Remote Desktop File Opened from Suspicious Path
editRemote Desktop File Opened from Suspicious Path
editIdentifies attempts to open a remote desktop file from suspicious paths. Adversaries may abuse RDP files for initial access.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.process-*
- logs-windows.forwarded*
- logs-windows.sysmon_operational-*
- endgame-*
- logs-system.security*
- logs-m365_defender.event-*
- logs-sentinel_one_cloud_funnel.*
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:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Initial Access
- Tactic: Command and Control
- Data Source: Elastic Endgame
- Data Source: Elastic Defend
- Data Source: System
- Data Source: Microsoft Defender for Endpoint
- Data Source: Sysmon
- Data Source: SentinelOne
Version: 1
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editprocess where host.os.type == "windows" and event.type == "start" and
process.name : "mstsc.exe" and
process.args : ("?:\\Users\\*\\Downloads\\*.rdp",
"?:\\Users\\*\\AppData\\Local\\Temp\\Temp?_*.rdp",
"?:\\Users\\*\\AppData\\Local\\Temp\\7z*.rdp",
"?:\\Users\\*\\AppData\\Local\\Temp\\Rar$*\\*.rdp",
"?:\\Users\\*\\AppData\\Local\\Temp\\BNZ.*.rdp",
"C:\\Users\\*\\AppData\\Local\\Microsoft\\Windows\\INetCache\\Content.Outlook\\*.rdp")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Initial Access
- ID: TA0001
- Reference URL: https://attack.mitre.org/tactics/TA0001/
-
Technique:
- Name: Phishing
- ID: T1566
- Reference URL: https://attack.mitre.org/techniques/T1566/
-
Sub-technique:
- Name: Spearphishing Attachment
- ID: T1566.001
- Reference URL: https://attack.mitre.org/techniques/T1566/001/