Canvas_fingerprint in laz-g-cdn.alicdn.com

On 2020-05-07T15:45:02.899251+00:00 we found pattern Canvas_fingerprint, type: User tracking and fingerprinting, (User browser fingerprinting through HTML5 CANVAS element contents) in the page https://laz-g-cdn.alicdn.com/lzdmod/im/… referenced from https://www.lazada.co.id/products/maybe… .

Code sample:

b'.createElement("canvas")' … b'.createElement("canvas")' … b'.createElement("canvas")' … b'.getContext("2d")' … b'.getContext("2d")' … b'.getContext("2d")' … b'.toDataURL()' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'String.fromCharCode(' … b'CanvasFingerprint' … b'CanvasFingerprint'

This feature is experimental so please feel free to contact us if you feel any of the reported issues is a false positive or you want to suggest a pattern that should be detected (we are using Yara standard).