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Newest: 1.3.3
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Active Rule
Network Connection Initiated From Process Located In Potentially Suspicious Or Uncommon Location
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Splunk
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Network Connection Initiated From Process Located In Potentially Suspicious Or Uncommon Location
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
title: Network Connection Initiated From Process Located In Potentially Suspicious Or Uncommon Location
id: 7b434893-c57d-4f41-908d-6a17bf1ae98f
status: test
description: |
Detects a network connection initiated by programs or processes running from suspicious or uncommon files system locations.
references:
- https://docs.google.com/spreadsheets/d/17pSTDNpa0sf6pHeRhusvWG6rThciE8CsXTSlDUAZDyo
author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems)
date: 2017-03-19
modified: 2025-12-10
tags:
- attack.command-and-control
- attack.t1105
logsource:
category: network_connection
product: windows
detection:
selection:
Initiated: 'true'
Image|contains:
- ':\$Recycle.bin'
- ':\Perflogs\'
- ':\Temp\'
- ':\Users\Default\'
- ':\Users\Public\'
- ':\Windows\Fonts\'
- ':\Windows\IME\'
- ':\Windows\System32\Tasks\'
- ':\Windows\Tasks\'
- '\config\systemprofile\'
- '\Contacts\'
- '\Favorites\'
- '\Favourites\'
- '\Music\'
- '\Pictures\'
- '\Videos\'
- '\Windows\addins\'
filter_main_domains:
# Note: We exclude these domains to avoid duplicate filtering from e0f8ab85-0ac9-423b-a73a-81b3c7b1aa97
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'
- 'portmap.io' # https://pro.twitter.com/JaromirHorejsi/status/1795001037746761892/photo/2
- '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: selection and not 1 of filter_main_*
falsepositives:
- Unknown
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_initiated_uncommon_or_suspicious_locations.yml