143 lines
3.5 KiB
SQL
143 lines
3.5 KiB
SQL
-- Surface ISO/DMG disk images that were downloaded from unexpected places
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--
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-- references:
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-- * https://attack.mitre.org/techniques/T1566/001/ (Phishing: Spearphishing Attachment)
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-- * https://attack.mitre.org/techniques/T1204/002/ (User Execution: Malicious File)
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-- * https://unit42.paloaltonetworks.com/chromeloader-malware/
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--
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-- false positives:
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-- * disk images downloaded from a location not in the exception list
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--
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-- platform: darwin
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-- tags: persistent filesystem spotlight
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SELECT
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file.path,
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file.size,
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datetime(file.btime, 'unixepoch') AS file_created,
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magic.data,
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ea.value AS url,
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REGEX_MATCH (ea.value, '/[\w_-]+\.([\w\._-]+)[:/]', 1) AS domain,
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REGEX_MATCH (ea.value, '/([\w_-]+\.[\w\._-]+)[:/]', 1) AS host
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FROM
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mdfind
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LEFT JOIN file ON mdfind.path = file.path
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LEFT JOIN extended_attributes ea ON mdfind.path = ea.path
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LEFT JOIN magic ON file.path = magic.path
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WHERE
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(
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mdfind.query = "kMDItemWhereFroms != '' && kMDItemFSName == '*.iso'"
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OR mdfind.query = "kMDItemWhereFroms != '' && kMDItemFSName == '*.dmg'"
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)
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AND ea.key = 'where_from'
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AND file.btime > (strftime('%s', 'now') -86400)
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AND domain NOT IN (
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'adobe.com',
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'alfredapp.com',
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'android.com',
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'apple.com',
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'download.prss.microsoft.com',
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'arc.net',
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'balsamiq.com',
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'brave.com',
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'digidesign.com',
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'digidesign.com',
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'gaomon.net',
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'epson.com',
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'fcix.net',
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'xtom.com',
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'gaomon.net',
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'oracle.com',
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'akmedia.digidesign.com',
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'canon.co.uk',
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'cdn.mozilla.net',
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'charlesproxy.com',
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'csclub.uwaterloo.ca',
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'docker.com',
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'duckduckgo.com',
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'eclipse.org',
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'gimp.org',
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'github.io',
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'githubusercontent.com',
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'grammarly.com',
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'integodownload.com',
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'jetbrains.com',
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'libreoffice.org',
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'loom.com',
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'microsoft.com',
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'minecraft.net',
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'mirrorservice.org',
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'mojang.com',
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'mozilla.org',
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'mysql.com',
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'ocf.berkeley.edu',
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'oobesaas.adobe.com',
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'osuosl.org',
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'pqrs.org',
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'steampowered.com',
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'c-wss.com',
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'irccloud.com',
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'discordapp.net',
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'getutm.app',
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'dogado.de',
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'vc.logitech.com',
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'steampowered.com',
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'discord.com',
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'logitech.com',
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'skype.com',
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'remarkable.com',
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'balena.io',
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'signal.org',
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'prusa3d.com',
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'google.ca',
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'zsa.io',
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'slack-edge.com',
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'tableplus.com',
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'ubuntu.com',
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'umd.edu',
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'virtualbox.org',
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'warp.dev',
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'webex.com'
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)
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AND host NOT IN (
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'dl.google.com',
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'www.google.com',
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'warp-releases.storage.googleapis.com',
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'mail.google.com',
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'github.com',
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'ubuntu.com',
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'balsamiq.com',
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'tableplus.com',
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'discord.com',
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'dl.discordapp.net',
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'obsproject.com',
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'www.messenger.com',
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'brave.com',
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'emacsformacosx.com',
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'store.steampowered.com',
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'wavebox.io',
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'manual.canon',
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'dygma.com',
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'duckduckgo.com',
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'obsidian.md'
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)
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-- Yes, these are meant to be fairly broad.
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AND host NOT LIKE 'download%'
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AND host NOT LIKE 'cdn%'
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AND host NOT LIKE '%.edu'
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AND host NOT LIKE 'github-production-release-asset-%.s3.amazonaws.com'
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AND host NOT LIKE '%.org'
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AND host NOT LIKE 'dl.%'
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AND host NOT LIKE 'dl-%'
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AND host NOT LIKE 'mirror%'
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AND host NOT LIKE 'driver.%'
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AND host NOT LIKE 'support%'
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AND host NOT LIKE 'software%'
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AND host NOT LIKE 'www.google.%'
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AND host NOT LIKE '%release%.storage.googleapis.com'
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AND NOT (
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host LIKE '%.fbcdn.net'
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AND file.filename LIKE 'Messenger.%.dmg'
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)
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GROUP BY
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ea.value
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