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Tagged with syscall binary-analysis
2 questions
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Why does dup2(2) function has no effect here?
I am trying to solve The Protostar Net One task.
When I open the net1 binary with strace -f ./net1 I get this result. In which the program clones itself, kills the parent, and dups all standard file ...
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Understand what Ioctl do
I looking in ida on arm linux binary . I can see there that there is ioctl call
ioctl(fd,req,num).
fd is fd to /dev/module. ,req is some 4bytes and num is some number.
How can I understand what ...
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