Detectionmediumtest
Unusual File Download From File Sharing Websites - File Stream
Detects the download of suspicious file type from a well-known file and paste sharing domain
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Florian Roth (Nextron Systems)Created Wed Aug 24Updated Wed Dec 10ae02ed70-11aa-4a22-b397-c0d0e8f6ea99windows
Log Source
WindowsAlternate Data Stream
ProductWindows← raw: windows
CategoryAlternate Data Stream← raw: create_stream_hash
Detection Logic
Detection Logic2 selectors
detection:
selection_domain:
Contents|contains:
- '.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.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'
selection_extension:
TargetFilename|contains:
- '.bat:Zone'
- '.cmd:Zone'
- '.ps1:Zone'
condition: all of selection_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Rule Metadata
Rule ID
ae02ed70-11aa-4a22-b397-c0d0e8f6ea99
Status
test
Level
medium
Type
Detection
Created
Wed Aug 24
Modified
Wed Dec 10
Path
rules/windows/create_stream_hash/create_stream_hash_file_sharing_domains_download_unusual_extension.yml
Raw Tags
attack.defense-evasionattack.s0139attack.t1564.004