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Indexed Rules
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CLI Versions
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Newest: 2.0.2
Translation Workspace
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Active Rule
Suspicious Mstsc.EXE Execution With Local RDP File
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious Mstsc.EXE Execution With Local RDP File
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: Suspicious Mstsc.EXE Execution With Local RDP File
id: 6e22722b-dfb1-4508-a911-49ac840b40f8
status: test
description: Detects potential RDP connection via Mstsc using a local ".rdp" file located in suspicious locations.
references:
- https://www.blackhillsinfosec.com/rogue-rdp-revisiting-initial-access-methods/
- https://web.archive.org/web/20230726144748/https://blog.thickmints.dev/mintsights/detecting-rogue-rdp/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-04-18
tags:
- attack.command-and-control
- attack.t1219.002
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\mstsc.exe'
- OriginalFileName: 'mstsc.exe'
selection_extension:
CommandLine|endswith:
- '.rdp'
- '.rdp"'
selection_paths:
# Note: This list of paths is better transformed into a whitelist where you only exclude legitimate locations you use in your env
CommandLine|contains:
- ':\Users\Public\'
- ':\Windows\System32\spool\drivers\color'
- ':\Windows\System32\Tasks_Migrated '
- ':\Windows\Tasks\'
- ':\Windows\Temp\'
- ':\Windows\Tracing\'
- '\AppData\Local\Temp\'
# - '\Desktop\' # Could be source of FP depending on the environment
- '\Downloads\' # Could be source of FP depending on the environment
condition: all of selection_*
falsepositives:
- Likelihood is related to how often the paths are used in the environment
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_mstsc_run_local_rdp_file_susp_location.yml