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Then, could not we a get a trace of the properties it uploads to the server by analyzing what is executed in the javascript? Sure it has some sort of submit end

by throwaway202302 4y ago

Then, could not we a get a trace of the properties it uploads to the server by analyzing what is executed in the javascript? Sure it has some sort of submit endpoint where it throws the individual values to.

throwaway202302 4y ago
POST https://fpa.fingerprint.com/?ci=js/3.8.10&ii=fingerprintjs-pro-react/2.3.0/react/18.2.0&ii=fingerprintjs-pro-spa/0.7.0 https://fpa.fingerprint.com/?ci=js/3.8.10&ii=fingerprintjs-p... It looks like it is using heavy obfuscation.
- throwaway202302 4y ago
  Scrolling a bit through the mess it seems, it is for exampling, trying to detect the used ad-blockers. .... adGuardGerman:[u("LmJhbm5lcml0ZW13ZXJidW5nX2hlYWRfMQ==") .... I see things hat look like font fingerprinting, CSS, Apple pay detection, ... , msPointerEnabled, ..., webkitResolveLocalFileSystemURL, ... cookie settings... ... used mathematical library (sinus, cosinus, ...) serviceworkers, ...RTCPeerConnection, hardwareConcurrency, Maybe we could dissect it and analyze the full list? At some other place, they documented e.g. you can get the light/dark theme information out of the CSS. Doesn't even need JS to do it.