Code coverage of windows service

[PPI-POPS]

Hello everyone. How can i get a code coverage of windows service with drcov?
I have an exe file with the functionality of this service.

[Enrico Deiana]

You can run drcov like any other client: `drrun -t drcov -- ${BINARY} ${ARGS}` (https://dynamorio.org/sec_drcachesim_run.html)
Then post-process the log file for your needs as documented: https://dynamorio.org/page_drcov.html .

[PPI-POPS]

But it's not just an exe, it's a service. If you just run it with drrun, it will stop immediately.

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[Enrico Deiana]

I'm not sure I understand. Why would it stop immediately?

> I have an exe file with the functionality of this service.

Aren't you trying to run the executable that has "the functionality of this service"?

If you're trying to run an already executing process under DynamoRIO, you can try attaching to it:
`drrun -attach ${PID} - t drcov`
 but know that's an experimental feature (https://dynamorio.org/page_deploy.html).

[Derek Bruening]

Systemwide injection is how people used to inject DR clients into Windows system services. This method is documented at https://dynamorio.org/page_deploy.html#win_deploy (search "-syswide_on").

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