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Do not clobber the "tcp" dialer for MySQL #5681

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@doug-threatmate doug-threatmate commented Oct 1, 2024

Proposed changes

This introduces a "nucleitcp" protocol that Nuclei will use when making MySQL connections as part of its templates.

Previously, this would register (and de-register!) a custom "tcp" dialer, and that applied globally, so any piece of software that used a MySQL database and included nuclei in SDK mode would have its database connections ripped out from under it due to the dialer hijacking.

By using "nucleitcp" as the protocol, we are free to do whatever we want with the dialer and not impact any other packages.

Within our BuildDSN function, we quietly replace the protocol to "nucleitcp" if it was "tcp", so nuclei developers don't have to do anything special to use this functionality; it will always do it.

Closes #5854

Checklist

  • Pull request is created against the dev branch
  • All checks passed (lint, unit/integration/regression tests etc.) with my changes
  • I have added tests that prove my fix is effective or that my feature works
  • I have added necessary documentation (if appropriate)

This introduces a "nucleitcp" protocol that Nuclei will use when
making MySQL connections as part of its templates.

Previously, this would register (and de-register!) a custom "tcp"
dialer, and that applied globally, so any piece of software that
used a MySQL database and included nuclei in SDK mode would have
its database connections ripped out from under it due to the dialer
hijacking.

By using "nucleitcp" as the protocol, we are free to do whatever
we want with the dialer and not impact any other packages.

Within our `BuildDSN` function, we quietly replace the protocol to
"nucleitcp" if it was "tcp", so nuclei developers don't have to do
anything special to use this functionality; it will always do it.
@GeorginaReeder
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Thanks so much for your contribution @doug-threatmate ! :)

@dogancanbakir
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Thanks for the PR! Couldn't do it, could you do a rebase?

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Do not clobber the "tcp" dialer for MySQL
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