generic_javascript_obfuscation4 in connect.facebook.net

On 2020-06-30T20:18:06.574192+00:00 we found pattern generic_javascript_obfuscation4, type: Suspicious, (JavaScript obfuscation is frequently used to hide malicious code (or with hope to protect intellectual property)) in the page https://connect.facebook.net/signals/co… referenced from https://www.fundacioncanal.com/canaledu… .

Code sample:

b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'Math.random(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent(' … b'encodeURIComponent('

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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