The system is not already compromised. They are using the vulnerability to create the.bat file by specifying this as the log file for Team Fortress and then echoing commands into it.
Here is something I may do one day:
10 nodes each with an intel core i7 2600k (around 100 gflops). If you network boot and have headless nodes then each can easily be built (with 8 GB ram) for £400
So in conclusion approximately 1000 gflops (more if you overclock) for at most £4000 (thats including VAT)
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The system is not already compromised. They are using the vulnerability to create the .bat file by specifying this as the log file for Team Fortress and then echoing commands into it.
Here is something I may do one day: 10 nodes each with an intel core i7 2600k (around 100 gflops). If you network boot and have headless nodes then each can easily be built (with 8 GB ram) for £400 So in conclusion approximately 1000 gflops (more if you overclock) for at most £4000 (thats including VAT)