GIF_1x1 in ad.doubleclick.net

On 2018-09-05T13:23:52.245205+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://ad.doubleclick.net/ddm/trackimp… referenced from https://webcookies.org/ .

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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