Function at 0x544930
Capabilities:
Get file size
Read file on windows
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x637130
mov eax, dword fs:[0]
push eax
sub esp, 0x5c
mov eax, dword [0x70a308]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov esi, ecx
mov dword [ebp - 0x5c], esi
mov eax, dword [ebp + 8]
mov dword [ebp - 0x3c], eax
mov edi, dword [ebp + 0xc]
mov ecx, dword [ebp + 0x10]
mov dword [ebp - 0x28], ecx
xor ebx, ebx
mov dword [ebp - 4], ebx
lea ecx, [ebp - 0x24]
call fcn.004024e0
mov byte [ebp - 4], 1
push ebx
push ebx
push 3
push ebx
push 1
push 0x80000000
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x2c], eax
cmp eax, 0xffffffff
jne 0x5449f3
push edi
lea ecx, [ebp - 0x28]
call fcn.00417ab0
mov byte [ebp - 4], 2
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
mov edx, dword [ebp - 0x28]
push edx
push str.Error_opening_file__s__errcode___ld._n
lea eax, [ebp - 0x24]
push eax
call fcn.00402f60
add esp, 0x10
mov ecx, dword [ebp - 0x24]
push ecx
mov ecx, esi
call fcn.00540ff0
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x28]
call fcn.00402550
mov byte [ebp - 4], bl
lea ecx, [ebp - 0x24]
call fcn.00402550
mov eax, 0x7535
jmp 0x544f8d
lea edx, [ebp - 0x60]
push edx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x34], eax
mov dword [ebp - 0x30], ebx
cmp eax, 0xffffffff
jne 0x544a69
test ebx, ebx
jne 0x544a69
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
je 0x544a69
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edi, eax
push edi
push str.Error_during_GetFileSize____errcode___d._n
lea eax, [ebp - 0x24]
push eax
call fcn.00402f60
add esp, 0xc
mov ecx, dword [ebp - 0x24]
push ecx
mov ecx, esi
call fcn.00540ff0
mov edx, dword [ebp - 0x2c]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [0x710330]
push eax
mov ecx, dword [esi + 0xd4]
call fcn.00554e70
mov byte [ebp - 4], bl
lea ecx, [ebp - 0x24]
call fcn.00402550
mov eax, edi
jmp 0x544f8d
push 1
push 0
push 0
mov ecx, dword [ebp - 0x60]
push ecx
call fcn.005fd4d0
add dword [ebp - 0x34], eax
adc ebx, edx
mov dword [ebp - 0x30], ebx
push edi
lea ecx, [ebp - 0x38]
call fcn.00417ab0
mov byte [ebp - 4], 3
push ebx
mov edi, dword [ebp - 0x34]
push edi
mov edx, dword [ebp - 0x38]
push edx
push str.Size_of__s_is__I64d_n
lea eax, [ebp - 0x24]
push eax
call fcn.00402f60
add esp, 0x14
mov ecx, dword [ebp - 0x24]
push ecx
mov ecx, esi
call fcn.00540ff0
mov edx, edi
or edx, ebx
jne 0x544af0
push str.fSize0_n
mov ecx, esi
call fcn.00540ff0
mov eax, dword [ebp - 0x2c]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x38]
call fcn.00402550
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x24]
call fcn.00402550
mov eax, 0x757c
jmp 0x544f8d
xor eax, eax
cmp eax, ebx
jl 0x544b0f
jg 0x544afd
cmp dword [ebp + 0x14], edi
jb 0x544b0f
push str.startPos___fSize_n
mov ecx, esi
call fcn.00540ff0
mov ecx, dword [ebp - 0x2c]
push ecx
jmp 0x544ac8
mov edx, dword [ebp - 0x28]
test edx, edx
je 0x544bfa
mov eax, edx
lea ecx, [eax + 2]
mov dword [ebp - 0x28], ecx
mov cx, word [eax]
add eax, 2
test cx, cx
jne 0x544b22
sub eax, dword [ebp - 0x28]
sar eax, 1
je 0x544bfa
xor eax, eax
mov dword [ebp - 0x20], eax
mov dword [ebp - 0x18], eax
mov word [ebp - 0x1c], ax
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x20]
push ecx
push edx
push ebx
push edi
mov ecx, esi
call fcn.00542110
test eax, eax
je 0x544bee
mov eax, dword [ebp - 0x20]
test eax, eax
jne 0x544b68
lea eax, [ebp - 0x1c]
push 0
push eax
lea edx, [ebp - 0x28]
push edx
call fcn.00402a50
mov byte [ebp - 4], 5
mov eax, dword [ebp - 0x28]
push eax
mov ecx, dword [0x7104d0]
push ecx
lea edx, [ebp - 0x24]
push edx
call fcn.00402f60
add esp, 0x18
mov eax, dword [ebp - 0x24]
push eax
mov ecx, dword [esi + 0xd4]
call fcn.00554e70
push str.Disk_is_full._Cannot_add_next_chunks._n
mov ecx, esi
call fcn.00540ff0
mov ecx, dword [ebp - 0x2c]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x28]
call fcn.00402550
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x20]
call fcn.004011f0
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x38]
call fcn.00402550
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x24]
call fcn.00402550
mov eax, 0x755f
jmp 0x544f8d
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x20]
call fcn.004011f0
xor eax, eax
mov dword [ebp - 0x44], eax
mov dword [ebp - 0x40], eax
cmp ebx, eax
jg 0x544c10
jl 0x544c15
cmp edi, 0x600000
jb 0x544c15
mov edi, 0x600000
mov dword [ebp - 0x50], edi
push edi
call fcn.005fac1f
add esp, 4
mov ebx, eax
test ebx, ebx
jne 0x544cc9
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.VirtualAlloc_malloc_failed__error__d_n
lea edx, [ebp - 0x24]
push edx
call fcn.00402f60
add esp, 0xc
mov eax, dword [ebp - 0x24]
push eax
mov ecx, esi
call fcn.00540ff0
mov eax, 0xaaaaaaab
mul edi
shr edx, 1
mov eax, edx
mov dword [ebp - 0x50], eax
push eax
call fcn.005fac1f
add esp, 4
test eax, eax
jne 0x544cc9
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.VirtualAlloc_malloc_failed__error__d_n
lea ecx, [ebp - 0x24]
push ecx
call fcn.00402f60
add esp, 0xc
mov edx, dword [ebp - 0x24]
push edx
mov ecx, esi
call fcn.00540ff0
mov eax, dword [ebp - 0x2c]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [0x710334]
push ecx
mov ecx, dword [esi + 0xd4]
call fcn.00554e70
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x38]
call fcn.00402550
mov byte [ebp - 4], bl
lea ecx, [ebp - 0x24]
call fcn.00402550
mov eax, 0x7564
jmp 0x544f8d
mov edi, dword [ebp + 0x14]
test edi, edi
jbe 0x544ce7
push 0
push 0
push edi
mov edx, dword [ebp - 0x2c]
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov dword [ebp - 0x44], edi
xor eax, eax
mov dword [ebp - 0x40], eax
mov eax, dword [esi + 0x18]
xor ecx, ecx
cmp eax, ecx
je 0x544cff
cmp byte [eax + 0xc], cl
jne 0x544cff
mov byte [esi + 0x65], 1
mov dword [esi + 0x60], ecx
mov byte [esi + 0x66], cl
mov dword [ebp - 0x58], ecx
mov dword [ebp - 0x54], ecx
mov dword [ebp - 0x48], ecx
push 0
lea eax, [ebp - 0x48]
push eax
mov ecx, dword [ebp - 0x50]
push ecx
push ebx
mov edx, dword [ebp - 0x2c]
push edx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x544f11
mov ecx, dword [ebp - 0x48]
test ecx, ecx
je 0x544f11
xor edi, edi
mov dword [ebp - 0x28], edi
mov eax, dword [esi + 0x18]
test eax, eax
je 0x544d72
cmp dword [eax + 0x3c], edi
jne 0x544d72
lea eax, [ebp - 0x58]
push eax
lea ecx, [ebp - 0x28]
push ecx
lea edx, [ebp - 0x4c]
push edx
lea eax, [ebp - 0x48]
push eax
mov ecx, dword [ebp - 0x40]
push ecx
mov edx, dword [ebp - 0x44]
push edx
mov eax, dword [ebp - 0x30]
push eax
mov ecx, dword [ebp - 0x34]
push ecx
push ebx
mov edx, dword [ebp - 0x3c]
push edx
mov ecx, esi
call fcn.00541830
mov edi, dword [ebp - 0x28]
jmp 0x544d84
push 0
lea eax, [ebp - 0x4c]
push eax
push ecx
push ebx
mov ecx, dword [ebp - 0x3c]
push ecx
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x544e5c
mov ecx, dword [ebp - 0x4c]
cmp dword [ebp - 0x48], ecx
jne 0x544e5c
xor eax, eax
add dword [ebp - 0x44], ecx
adc dword [ebp - 0x40], eax
add dword [esi + 0x100], ecx
adc dword [esi + 0x104], eax
cmp dword [esi + 0x18], eax
je 0x544ddc
test edi, edi
je 0x544ddc
mov ecx, dword [ebp - 0x58]
mov edx, ecx
mov eax, dword [ebp - 0x54]
or edx, eax
je 0x544dd5
cmp eax, dword [ebp - 0x30]
jg 0x544dd5
jl 0x544dcd
cmp ecx, dword [ebp - 0x34]
jae 0x544dd5
mov dword [ebp - 0x34], ecx
mov dword [ebp - 0x30], eax
jmp 0x544ddc
sub dword [ebp - 0x34], edi
sbb dword [ebp - 0x30], 0
mov eax, dword [esi + 0xd8]
cmp dword [eax], 0
je 0x544e10
mov ecx, dword [esi + 0x100]
mov dword [ebp - 0x68], ecx
mov edx, dword [esi + 0x104]
mov dword [ebp - 0x64], edx
lea ecx, [ebp - 0x68]
push ecx
push 0x147b
push 0x111
mov edx, dword [eax]
push edx
call dword [sym.imp.USER32.dll_SendMessageA]
mov eax, dword [ebp - 0x30]
cmp dword [ebp - 0x40], eax
jl 0x544d08
jg 0x544e2a
mov ecx, dword [ebp - 0x44]
cmp ecx, dword [ebp - 0x34]
jb 0x544d08
push ebx
call fcn.005f9aa9
add esp, 4
mov edx, dword [ebp - 0x2c]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x38]
call fcn.00402550
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x24]
call fcn.00402550
xor eax, eax
jmp 0x544f8d
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edi, eax
push edi
push str.Fatal_Write_Error__d_n
lea eax, [ebp - 0x24]
push eax
call fcn.00402f60
add esp, 0xc
mov ecx, dword [ebp - 0x24]
push ecx
mov ecx, esi
call fcn.00540ff0
push ebx
call fcn.005f9aa9
add esp, 4
mov edx, dword [ebp - 0x2c]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea ecx, [ebp - 0x28]
call fcn.004024e0
mov byte [ebp - 4], 6
push 0
push 0
lea eax, [ebp - 0x3c]
push eax
push 0x400
push edi
push 0
push 0x1100
call dword [sym.imp.KERNEL32.dll_FormatMessageA]
mov ecx, dword [ebp - 0x3c]
push ecx
push 0x64edec
lea edx, [ebp - 0x28]
push edx
call fcn.00402f60
add esp, 0xc
mov eax, dword [ebp - 0x3c]
push eax
call dword [sym.imp.KERNEL32.dll_LocalFree]
mov ecx, dword [ebp - 0x28]
push ecx
mov ecx, dword [esi + 0xd4]
call fcn.00554e70
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x28]
call fcn.00402550
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x38]
call fcn.00402550
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x24]
call fcn.00402550
mov eax, edi
jmp 0x544f8d
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edi, eax
push edi
push str.Fatal_Read_Error__d_n
lea edx, [ebp - 0x24]
push edx
call fcn.00402f60
add esp, 0xc
mov eax, dword [ebp - 0x24]
push eax
mov ecx, esi
call fcn.00540ff0
push ebx
call fcn.005f9aa9
add esp, 4
mov ecx, dword [ebp - 0x2c]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edx, dword [0x71033c]
push edx
mov ecx, dword [esi + 0xd4]
call fcn.00554e70
jmp 0x544ef5
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.005f85e7
mov esp, ebp
pop ebp
ret 0x10