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Convert indexed Sigma rules into analyst-ready detections.
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CLI Versions
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Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Network Communication Initiated To File Sharing Domains From Process Located In Suspicious Folder
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Network Communication Initiated To File Sharing Domains From Process Located In Suspicious Folder
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: Network Communication Initiated To File Sharing Domains From Process Located In Suspicious Folder
id: e0f8ab85-0ac9-423b-a73a-81b3c7b1aa97
related:
- id: 635dbb88-67b3-4b41-9ea5-a3af2dd88153
type: obsolete
status: test
description: Detects executables located in potentially suspicious directories initiating network connections towards file sharing domains.
references:
- https://twitter.com/M_haggis/status/900741347035889665
- https://twitter.com/M_haggis/status/1032799638213066752
- https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/ransomware-hive-conti-avoslocker
- https://www.cisa.gov/uscert/ncas/alerts/aa22-321a
- https://github.com/EmpireProject/Empire/blob/e37fb2eef8ff8f5a0a689f1589f424906fe13055/data/module_source/exfil/Invoke-ExfilDataToGitHub.ps1
author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)
date: 2018-08-30
modified: 2025-12-10
tags:
- attack.command-and-control
- attack.t1105
logsource:
category: network_connection
product: windows
detection:
selection_paths:
Image|contains:
- ':\$Recycle.bin'
- ':\Perflogs\'
- ':\Temp\'
- ':\Users\Default\'
- ':\Users\Public\'
- ':\Windows\Fonts\'
- ':\Windows\IME\'
- ':\Windows\System32\Tasks\'
- ':\Windows\Tasks\'
- ':\Windows\Temp\'
- '\AppData\Temp\'
- '\config\systemprofile\'
- '\Windows\addins\'
selection_domains:
Initiated: 'true'
DestinationHostname|endswith:
- '.githubusercontent.com' # Includes both gists and github repositories / Michael Haag (idea)
- 'anonfiles.com'
- 'cdn.discordapp.com'
- 'ddns.net'
- 'dl.dropboxusercontent.com'
- 'ghostbin.co'
- 'github.com'
- 'glitch.me'
- 'gofile.io'
- 'hastebin.com'
- 'mediafire.com'
- 'mega.co.nz'
- 'mega.nz'
- 'onrender.com'
- 'pages.dev'
- 'paste.ee'
- 'pastebin.com'
- 'pastebin.pl'
- 'pastetext.net'
- 'pixeldrain.com'
- 'privatlab.com'
- 'privatlab.net'
- 'send.exploit.in'
- 'sendspace.com'
- 'storage.googleapis.com'
- 'storjshare.io'
- 'supabase.co'
- 'temp.sh'
- 'transfer.sh'
- 'trycloudflare.com'
- 'ufile.io'
- 'w3spaces.com'
- 'workers.dev'
condition: all of selection_*
falsepositives:
- Some installers located in the temp directory might communicate with the Github domains in order to download additional software. Baseline these cases or move the github domain to a lower level hunting rule.
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/network_connection/net_connection_win_susp_file_sharing_domains_susp_folders.yml