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1 vote

How outgoing tunnels are not stopped by AV or firewalls?

Because there is nothing inherently wrong with a computer connecting out to the internet. Your browser does this multiple times a minute when in use. AV can detect binaries that are known to be ...
schroeder's user avatar
  • 127k
0 votes

How does the AV inject their own DLL in each new process?

While I don't know the specific method that AV software uses (and there may not be just one way that every AV program works), there's a few ways in general to do this. Bear in mind that AV doesn't ...
CBHacking's user avatar
  • 44.1k
1 vote

Validate File Uploads in PHP: PDFs and images

I wouldn't put too much effort into trying to scan or validate the files. Malware embedded into images or PDF documents is rather specialized, so I doubt that a run-of-the-mill scanner will help much. ...
Ja1024's user avatar
  • 1,702

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