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It's rather hard to do anything useful if you disable i/o.
by ori_b 2y ago
It's rather hard to do anything useful if you disable i/o.
- Joker_vD 2y agoPrecisely! And yet they make it really hard for my shellcode to do anything useful for some reason, ugh.
- ori_b 2y agoSince the only way a program like that would be interacting with the environment via a side channel, it'd be equivalent to not running the code at all. As a result, you can disable all syscalls for your program with one simple request: 'exit()'
- j16sdiz 2y agoPrinting hello world is a syscall - you need that to write to STDOUT . There are alternative to syscall. For example, writing to shared memory. Shared memory as IPC is hard. And you need some syscall to set the memory up.. .