New answers tagged linux
1
Different ways answer from sudhackar, you can just add push edx to zeroing edx in your shellcode
xor eax, eax
push eax
push 0x68732f2f
push 0x6e69622f
mov ebx, esp
push eax
push ebx
push edx
mov ecx, esp
mov al, 0xb
int 0x80
0
Several options are available for analyzing ELF binaries with damaged or corrupted headers. These include, but are not limited to:
Using a ptrace-based debugger such as Radare2 (but definitely not gdb)
Emulation e.g. via the Unicorn emulation framework
Repairing the header, which may involve rebuilding the binary
This particular binary is a challenge for ...
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