New Connection Initiated To Potential Dead Drop Resolver Domain

detection:
    selection:
        Initiated: 'true'
        DestinationHostname|endswith:
            - '.t.me'
            - '4shared.com'
            - 'abuse.ch'
            - 'anonfiles.com'
            - 'cdn.discordapp.com'
            - 'cloudflare.com'
            - 'ddns.net'
            - 'discord.com'
            - 'docs.google.com'
            - 'drive.google.com'
            - 'dropbox.com'
            - 'dropmefiles.com'
            - 'facebook.com'
            - 'feeds.rapidfeeds.com'
            - 'fotolog.com'
            - 'ghostbin.co/'
            - 'githubusercontent.com'
            - 'gofile.io'
            - 'hastebin.com'
            - 'imgur.com'
            - 'livejournal.com'
            - 'mediafire.com'
            - 'mega.co.nz'
            - 'mega.nz'
            - 'onedrive.com'
            - 'pages.dev'
            - 'paste.ee'
            - 'pastebin.com'
            - 'pastebin.pl'
            - 'pastetext.net'
            - 'pixeldrain.com'
            - 'privatlab.com'
            - 'privatlab.net'
            - 'reddit.com'
            - 'send.exploit.in'
            - 'sendspace.com'
            - 'steamcommunity.com'
            - 'storage.googleapis.com'
            - 'technet.microsoft.com'
            - 'temp.sh'
            - 'transfer.sh'
            - 'trycloudflare.com'
            - 'twitter.com'
            - 'ufile.io'
            - 'vimeo.com'
            - 'w3spaces.com'
            - 'wetransfer.com'
            - 'workers.dev'
            - 'youtube.com'
    # Note: Add/Remove browsers/applications that you don't use or those that have custom install locations
    # Note: To avoid complex conditions the filters for some apps are generic by name only. A custom tuning is recommended for best results
    filter_main_chrome:
        Image:
            - 'C:\Program Files\Google\Chrome\Application\chrome.exe'
            - 'C:\Program Files (x86)\Google\Chrome\Application\chrome.exe'
    filter_main_chrome_appdata:
        Image|startswith: 'C:\Users\'
        Image|endswith: '\AppData\Local\Google\Chrome\Application\chrome.exe'
    filter_main_firefox:
        Image:
            - 'C:\Program Files\Mozilla Firefox\firefox.exe'
            - 'C:\Program Files (x86)\Mozilla Firefox\firefox.exe'
    filter_main_firefox_appdata:
        Image|startswith: 'C:\Users\'
        Image|endswith: '\AppData\Local\Mozilla Firefox\firefox.exe'
    filter_main_ie:
        Image:
            - 'C:\Program Files (x86)\Internet Explorer\iexplore.exe'
            - 'C:\Program Files\Internet Explorer\iexplore.exe'
    filter_main_edge_1:
        - Image|startswith: 'C:\Program Files (x86)\Microsoft\EdgeWebView\Application\'
        - Image|endswith: '\WindowsApps\MicrosoftEdge.exe'
        - Image:
              - 'C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe'
              - 'C:\Program Files\Microsoft\Edge\Application\msedge.exe'
    filter_main_edge_2:
        Image|startswith:
            - 'C:\Program Files (x86)\Microsoft\EdgeCore\'
            - 'C:\Program Files\Microsoft\EdgeCore\'
        Image|endswith:
            - '\msedge.exe'
            - '\msedgewebview2.exe'
    filter_main_safari:
        Image|contains:
            - 'C:\Program Files (x86)\Safari\'
            - 'C:\Program Files\Safari\'
        Image|endswith: '\safari.exe'
    filter_main_defender:
        Image|contains:
            - 'C:\Program Files\Windows Defender Advanced Threat Protection\'
            - 'C:\Program Files\Windows Defender\'
            - 'C:\ProgramData\Microsoft\Windows Defender\Platform\'
        Image|endswith:
            - '\MsMpEng.exe' # Microsoft Defender executable
            - '\MsSense.exe' # Windows Defender Advanced Threat Protection Service Executable
    filter_main_prtg:
        # Paessler's PRTG Network Monitor
        Image|endswith:
            - 'C:\Program Files (x86)\PRTG Network Monitor\PRTG Probe.exe'
            - 'C:\Program Files\PRTG Network Monitor\PRTG Probe.exe'
    filter_main_brave:
        Image|startswith: 'C:\Program Files\BraveSoftware\'
        Image|endswith: '\brave.exe'
    filter_main_maxthon:
        Image|contains: '\AppData\Local\Maxthon\'
        Image|endswith: '\maxthon.exe'
    filter_main_opera:
        Image|contains: '\AppData\Local\Programs\Opera\'
        Image|endswith: '\opera.exe'
    filter_main_seamonkey:
        Image|startswith:
            - 'C:\Program Files\SeaMonkey\'
            - 'C:\Program Files (x86)\SeaMonkey\'
        Image|endswith: '\seamonkey.exe'
    filter_main_vivaldi:
        Image|contains: '\AppData\Local\Vivaldi\'
        Image|endswith: '\vivaldi.exe'
    filter_main_whale:
        Image|startswith:
            - 'C:\Program Files\Naver\Naver Whale\'
            - 'C:\Program Files (x86)\Naver\Naver Whale\'
        Image|endswith: '\whale.exe'
    # Note: The TOR browser shouldn't be something you allow in your corporate network.
    # filter_main_tor:
    #     Image|contains: '\Tor Browser\'
    filter_main_whaterfox:
        Image|startswith:
            - 'C:\Program Files\Waterfox\'
            - 'C:\Program Files (x86)\Waterfox\'
        Image|endswith: '\Waterfox.exe'
    filter_main_midori:
        Image|contains: '\AppData\Local\Programs\midori-ng\'
        Image|endswith: '\Midori Next Generation.exe'
    filter_main_slimbrowser:
        Image|startswith:
            - 'C:\Program Files\SlimBrowser\'
            - 'C:\Program Files (x86)\SlimBrowser\'
        Image|endswith: '\slimbrowser.exe'
    filter_main_flock:
        Image|contains: '\AppData\Local\Flock\'
        Image|endswith: '\Flock.exe'
    filter_main_phoebe:
        Image|contains: '\AppData\Local\Phoebe\'
        Image|endswith: '\Phoebe.exe'
    filter_main_falkon:
        Image|startswith:
            - 'C:\Program Files\Falkon\'
            - 'C:\Program Files (x86)\Falkon\'
        Image|endswith: '\falkon.exe'
    filter_main_qtweb:
        Image|startswith:
            - 'C:\Program Files (x86)\QtWeb\'
            - 'C:\Program Files\QtWeb\'
        Image|endswith: '\QtWeb.exe'
    filter_main_avant:
        Image|startswith:
            - 'C:\Program Files (x86)\Avant Browser\'
            - 'C:\Program Files\Avant Browser\'
        Image|endswith: '\avant.exe'
    filter_main_whatsapp:
        Image|startswith:
            - 'C:\Program Files (x86)\WindowsApps\'
            - 'C:\Program Files\WindowsApps\'
        Image|endswith: '\WhatsApp.exe'
        DestinationHostname|endswith: 'facebook.com'
    filter_main_telegram:
        Image|contains: '\AppData\Roaming\Telegram Desktop\'
        Image|endswith: '\Telegram.exe'
        DestinationHostname|endswith: '.t.me'
    filter_main_onedrive:
        Image|contains: '\AppData\Local\Microsoft\OneDrive\'
        Image|endswith: '\OneDrive.exe'
        DestinationHostname|endswith: 'onedrive.com'
    filter_main_dropbox:
        Image|startswith:
            - 'C:\Program Files (x86)\Dropbox\Client\'
            - 'C:\Program Files\Dropbox\Client\'
        Image|endswith:
            - '\Dropbox.exe'
            - '\DropboxInstaller.exe'
        DestinationHostname|endswith: 'dropbox.com'
    filter_main_mega:
        Image|endswith:
            # Note: This is a basic/best effort filter in order to avoid FP with the MEGA installer and executable.
            #       In practice please apply exact path to avoid basic path bypass techniques.
            - '\MEGAsync.exe'
            - '\MEGAsyncSetup32_*RC.exe' # Beta versions
            - '\MEGAsyncSetup32.exe' # Installers 32bit
            - '\MEGAsyncSetup64.exe' # Installers 64bit
            - '\MEGAupdater.exe'
        DestinationHostname|endswith:
            - 'mega.co.nz'
            - 'mega.nz'
    filter_main_googledrive:
        Image|contains:
            - 'C:\Program Files\Google\Drive File Stream\'
            - 'C:\Program Files (x86)\Google\Drive File Stream\'
        Image|endswith: 'GoogleDriveFS.exe'
        DestinationHostname|endswith: 'drive.google.com'
    filter_main_discord:
        Image|contains: '\AppData\Local\Discord\'
        Image|endswith: '\Discord.exe'
        DestinationHostname|endswith:
            - 'discord.com'
            - 'cdn.discordapp.com'
    filter_main_null:
        Image: null
    filter_main_empty:
        Image: ''
    # filter_optional_qlik:
    #     Image|endswith: '\Engine.exe' # Process from qlik.com app
    condition: selection and not 1 of filter_main_*