Suspicious File Download From File Sharing Domain Via Wget.EXE

title: Suspicious File Download From File Sharing Domain Via Wget.EXE
id: a0d7e4d2-bede-4141-8896-bc6e237e977c
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status: test
description: Detects potentially suspicious file downloads from file sharing domains using wget.exe
references:
    - https://labs.withsecure.com/publications/fin7-target-veeam-servers
    - https://github.com/WithSecureLabs/iocs/blob/344203de742bb7e68bd56618f66d34be95a9f9fc/FIN7VEEAM/iocs.csv
    - https://www.microsoft.com/en-us/security/blog/2024/01/17/new-ttps-observed-in-mint-sandstorm-campaign-targeting-high-profile-individuals-at-universities-and-research-orgs/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-05-05
modified: 2026-03-29
tags:
    - attack.execution
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\wget.exe'
        - OriginalFileName: 'wget.exe'
    selection_websites:
        CommandLine|contains:
            - '.githubusercontent.com'       # Includes both gists and github repositories / Michael Haag (idea)
            - '0x0.st'
            - 'anonfiles.com'
            - 'bashupload.com'
            - 'cdn.discordapp.com'
            - 'chunk.io'
            - 'ddns.net'
            - 'dl.dropboxusercontent.com'
            - 'ghostbin.co'
            - 'github.com'
            - 'glitch.me'
            - 'gofile.io'
            - 'hastebin.com'
            - 'mediafire.com'
            - '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'
            - 'x0.at'
    selection_http:
        CommandLine|contains: 'http'
    selection_flag:
        - CommandLine|re: '\s-O\s'
        - CommandLine|contains: '--output-document'
    selection_ext:
        CommandLine|endswith:
            - '.ps1'
            - ".ps1'"
            - '.ps1"'
            - '.dat'
            - ".dat'"
            - '.dat"'
            - '.msi'
            - ".msi'"
            - '.msi"'
            - '.bat'
            - ".bat'"
            - '.bat"'
            - '.exe'
            - ".exe'"
            - '.exe"'
            - '.vbs'
            - ".vbs'"
            - '.vbs"'
            - '.vbe'
            - ".vbe'"
            - '.vbe"'
            - '.hta'
            - ".hta'"
            - '.hta"'
            - '.dll'
            - ".dll'"
            - '.dll"'
            - '.psm1'
            - ".psm1'"
            - '.psm1"'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high