hacktricks/macos-hardening/macos-security-and-privilege-escalation/macos-file-extension-apps.md

macOS File Extension & URL scheme app handlers

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File Extension & URL scheme app handlers

The following line can be useful to find the applications that can open files depending on the extension:

/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -dump | grep -E "path:|bindings:|name:"

Or use something like SwiftDefaultApps:

./swda getSchemes #Get all the available schemes
./swda getApps #Get all the apps declared
./swda getUTIs #Get all the UTIs
./swda getHandler --URL ftp #Get ftp handler

You can also check the extensions supported by an application doing:

cd /Applications/Safari.app/Contents
grep -A3 CFBundleTypeExtensions Info.plist  | grep string
				<string>css</string>
				<string>pdf</string>
				<string>webarchive</string>
				<string>webbookmark</string>
				<string>webhistory</string>
				<string>webloc</string>
				<string>download</string>
				<string>safariextz</string>
				<string>gif</string>
				<string>html</string>
				<string>htm</string>
				<string>js</string>
				<string>jpg</string>
				<string>jpeg</string>
				<string>jp2</string>
				<string>txt</string>
				<string>text</string>
				<string>png</string>
				<string>tiff</string>
				<string>tif</string>
				<string>url</string>
				<string>ico</string>
				<string>xhtml</string>
				<string>xht</string>
				<string>xml</string>
				<string>xbl</string>
				<string>svg</string>

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