GIF_1x1 in dev.visualwebsiteoptimizer.com

On 2020-05-23T00:31:43.594839+00:00 we found pattern GIF_1x1, type: User tracking and fingerprinting, (1x1 transparent GIF is frequently used as user tracking mechanism) in the page https://dev.visualwebsiteoptimizer.com/… referenced from https://go2page.net/?a=769&c=2455&s1=Ex… .

Code sample:

b'GIF8' … b'\x01\x00\x01\x00'

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).

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