Function at 0x452cd0
Capabilities:
Get file size
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
mov ecx, 0x19
push 0
push 0
dec ecx
jne 0x452cd9
xchg dword [ebp - 4], ecx
push ebx
push esi
push edi
mov ebx, ecx
mov dword [ebp - 4], edx
mov dword [ebp - 0x24], eax
mov esi, dword [ebp + 8]
mov eax, dword [ebp - 4]
call fcn.00406d68
xor eax, eax
push ebp
push 0x4536a4
push dword fs:[eax]
mov dword fs:[eax], esp
mov byte [ebp - 0x25], 0
cmp dword [ebp - 4], 0
je 0x453602
cmp dword [ebp - 0x24], 0
jne 0x452f3d
lea edx, [ebp - 8]
mov eax, esi
mov ecx, dword [eax]
call dword [ecx + 0x1f8]
cmp byte [ebp + 0xc], 0
jne 0x452f1f
mov eax, 0xfa
call fcn.00438560
test al, al
je 0x452d50
push 0
call sub.user32.dll_MessageBeep
jmp 0x453602
push 0x7fffffff
mov edi, dword [0x721dc0]
mov edi, dword [edi]
mov ecx, 1
mov edx, dword [ebp - 8]
mov eax, 0x4536c8
call edi
test eax, eax
jle 0x452d99
lea edx, [ebp - 0x94]
mov eax, dword [ebp - 8]
call fcn.00436720
mov edx, dword [ebp - 0x94]
lea eax, [ebp - 8]
call fcn.00406dd4
lea edx, [ebp - 0xc]
mov eax, dword [ebp - 8]
call fcn.004102e8
jmp 0x452da8
lea ecx, [ebp - 0xc]
mov dl, 1
mov eax, 0x10
call fcn.00438ca4
lea edx, [ebp - 0x98]
mov eax, dword [ebp - 8]
call fcn.004102a8
mov edx, dword [ebp - 0x98]
lea eax, [ebp - 8]
call fcn.00406dd4
lea eax, [ebp - 8]
mov edx, 0x4536d8
call fcn.004071a4
lea eax, [ebp - 8]
mov edx, 0x105
call fcn.0040710c
lea edx, [ebp - 0x10]
mov eax, esi
mov ecx, dword [eax]
call dword [ecx + 0x2ac]
lea eax, [ebp - 0x8d]
mov edx, 0x4c
call fcn.0040b570
mov dword [ebp - 0x8d], 0x4c
mov dword [ebp - 0x89], ebx
mov dword [ebp - 0x75], 1
mov dword [ebp - 0x6d], 0x104
mov dword [ebp - 0x59], 0x8004
call sub.kernel32.dll_GetVersion_1
test eax, 0x80000000
jne 0x452e84
mov eax, dword [ebp - 8]
call fcn.00406e0c
mov dword [ebp - 0x71], eax
mov eax, dword [ebp - 0xc]
call fcn.00406e0c
mov dword [ebp - 0x61], eax
mov eax, dword [ebp - 0x10]
call fcn.00406e0c
mov dword [ebp - 0x5d], eax
mov eax, 0x4536dc
mov dword [ebp - 0x81], eax
mov eax, 0x4536f8
mov dword [ebp - 0x51], eax
lea eax, [ebp - 0x8d]
push eax
call sub.comdlg32.dll_GetSaveFileNameW
test eax, eax
je 0x453602
lea eax, [ebp - 8]
mov edx, dword [ebp - 0x71]
call fcn.00406f3c
jmp 0x452f48
lea eax, [ebp - 0x14]
mov edx, dword [ebp - 8]
mov ecx, 0
call fcn.00406fd4
lea eax, [ebp - 0x18]
mov edx, dword [ebp - 0xc]
mov ecx, 0
call fcn.00406fd4
lea eax, [ebp - 0x1c]
mov edx, dword [ebp - 0x10]
mov ecx, 0
call fcn.00406fd4
mov eax, dword [ebp - 0x14]
call fcn.00406358
mov dword [ebp - 0x71], eax
mov eax, dword [ebp - 0x18]
call fcn.00406358
mov dword [ebp - 0x61], eax
mov eax, dword [ebp - 0x1c]
call fcn.00406358
mov dword [ebp - 0x5d], eax
mov eax, 0x453704
mov dword [ebp - 0x81], eax
mov eax, 0x453714
mov dword [ebp - 0x51], eax
lea eax, [ebp - 0x8d]
push eax
call sub.comdlg32.dll_GetSaveFileNameA
test eax, eax
je 0x453602
lea eax, [ebp - 0x9c]
mov edx, dword [ebp - 0x71]
mov ecx, 0
call fcn.00405e7c
mov edx, dword [ebp - 0x9c]
lea eax, [ebp - 8]
call fcn.00406fac
jmp 0x452f48
lea edx, [ebp - 0xa0]
mov eax, dword [ebp - 8]
call fcn.00436720
mov edx, dword [ebp - 0xa0]
lea eax, [ebp - 8]
call fcn.00406dd4
jmp 0x452f48
lea eax, [ebp - 8]
mov edx, dword [ebp - 0x24]
call fcn.00406dd4
push ebp
mov eax, dword [ebp - 8]
call fcn.0045297c
pop ecx
call sub.kernel32.dll_GetVersion_1
test eax, 0x80000000
jne 0x452f7f
push 0
push 0
push 4
push 0
push 0
push 0xc0000000
mov eax, dword [ebp - 8]
call fcn.00406e0c
push eax
call sub.kernel32.dll_CreateFileW_1
mov ebx, eax
jmp 0x452fb4
push 0
push 0
push 4
push 0
push 0
push 0xc0000000
lea eax, [ebp - 0xa4]
mov edx, dword [ebp - 8]
mov ecx, 0
call fcn.00406fd4
mov eax, dword [ebp - 0xa4]
call fcn.00406358
push eax
call sub.kernel32.dll_CreateFileA
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4530e0
push 0x7fffffff
lea edx, [ebp - 0xa8]
mov eax, esi
mov ecx, dword [eax]
call dword [ecx + 0x1f8]
mov edx, dword [ebp - 0xa8]
mov edi, dword [0x721dc0]
mov edi, dword [edi]
mov ecx, 1
mov eax, 0x4536c8
call edi
test eax, eax
jne 0x4530e0
push 0x453728
lea edx, [ebp - 0xb4]
xor eax, eax
call fcn.0043662c
mov eax, dword [ebp - 0xb4]
lea edx, [ebp - 0xb0]
call fcn.004102a8
mov eax, dword [ebp - 0xb0]
lea edx, [ebp - 0xac]
call fcn.004366e0
push dword [ebp - 0xac]
push 0x4536c8
lea edx, [ebp - 0xb8]
mov eax, esi
mov ecx, dword [eax]
call dword [ecx + 0x1f8]
push dword [ebp - 0xb8]
lea eax, [ebp - 8]
mov edx, 4
call fcn.00407348
push 0x453754
push 0x453778
push 0x45379c
lea edx, [ebp - 8]
mov ecx, 0x4537c8
xor eax, eax
call fcn.00438fe0
push ebp
mov eax, dword [ebp - 8]
call fcn.0045297c
pop ecx
call sub.kernel32.dll_GetVersion_1
test eax, 0x80000000
jne 0x4530ab
push 0
push 0
push 4
push 0
push 0
push 0xc0000000
mov eax, dword [ebp - 8]
call fcn.00406e0c
push eax
call sub.kernel32.dll_CreateFileW_1
mov ebx, eax
jmp 0x4530e0
push 0
push 0
push 4
push 0
push 0
push 0xc0000000
lea eax, [ebp - 0xbc]
mov edx, dword [ebp - 8]
mov ecx, 0
call fcn.00406fd4
mov eax, dword [ebp - 0xbc]
call fcn.00406358
push eax
call sub.kernel32.dll_CreateFileA
mov ebx, eax
cmp ebx, 0xffffffff
je 0x453602
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x200]
test al, al
je 0x45357b
push 0
push ebx
call sub.kernel32.dll_GetFileSize_1
mov dword [ebp - 0x2c], eax
lea eax, [ebp - 8]
xor edx, edx
call fcn.00406dd4
cmp dword [ebp - 0x2c], 0
jbe 0x4531ce
lea ecx, [ebp - 8]
mov edx, 0x4537f0
mov eax, dword [ebp - 4]
call fcn.004526f0
lea eax, [ebp - 8]
call fcn.00405d94
call fcn.00407100
cmp eax, 0x1f
jne 0x4531c4
lea ecx, [ebp - 0xc0]
mov edx, 0x453818
mov eax, dword [ebp - 4]
call fcn.004526f0
cmp dword [ebp - 0xc0], 0
je 0x453175
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x210]
mov byte [ebp - 0x41], al
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x220]
jmp 0x45318c
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x218]
mov byte [ebp - 0x41], al
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x228]
cmp byte [ebp - 0x41], 0
jne 0x45319e
lea eax, [ebp - 8]
xor edx, edx
call fcn.00406dd4
jmp 0x4531ce
sub al, 1
jb 0x4531a6
je 0x4531b5
jmp 0x4531ce
lea eax, [ebp - 8]
mov edx, 9
call fcn.0040710c
jmp 0x4531ce
lea eax, [ebp - 8]
mov edx, 0x14
call fcn.0040710c
jmp 0x4531ce
lea eax, [ebp - 8]
xor edx, edx
call fcn.00406dd4
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x208]
test eax, eax
jbe 0x4531eb
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x208]
cmp eax, dword [ebp - 0x2c]
jb 0x4531ef
xor eax, eax
jmp 0x4531f1
mov al, 1
mov byte [ebp - 0x41], al
cmp byte [ebp - 0x41], 0
jne 0x453204
cmp dword [ebp - 8], 0
je 0x45356d
push 0
push 0
push 0
push 4
push 0
push ebx
call sub.kernel32.dll_CreateFileMappingW
mov dword [ebp - 0x3c], eax
cmp dword [ebp - 0x3c], 0
je 0x45356d
push 0
push 0
push 0
push 0xf001f
mov eax, dword [ebp - 0x3c]
push eax
call sub.kernel32.dll_MapViewOfFile
mov dword [ebp - 0x40], eax
cmp dword [ebp - 0x40], 0
je 0x453564
cmp dword [ebp - 8], 0
je 0x4534ca
lea edx, [ebp - 0x14]
mov eax, dword [ebp - 8]
call fcn.0040ffd8
mov eax, dword [ebp - 0x2c]
mov dword [ebp - 0x30], eax
mov eax, dword [ebp - 0x2c]
push eax
push 0
mov eax, dword [ebp - 0x30]
dec eax
push eax
push 0
lea eax, [ebp - 0x14]
xor edx, edx
call fcn.00405dc4
call fcn.00405f5c
add eax, 2
push eax
lea eax, [ebp - 0xc4]
mov ecx, dword [ebp - 0x14]
mov edx, 0x453844
call fcn.00406058
mov eax, dword [ebp - 0xc4]
call fcn.00406358
mov edi, dword [0x721af0]
mov edi, dword [edi]
mov edx, dword [ebp - 0x40]
pop ecx
call edi
mov dword [ebp - 0x30], eax
cmp dword [ebp - 0x30], 0
jl 0x4534c0
mov eax, dword [ebp - 0x2c]
push eax
push 0
mov eax, dword [ebp - 0x30]
push eax
push 0
mov edi, dword [0x721af0]
mov edi, dword [edi]
mov eax, 0x453848
mov ecx, 0xb
mov edx, dword [ebp - 0x40]
call edi
mov dword [ebp - 0x34], eax
cmp dword [ebp - 0x34], 0
jge 0x453308
mov eax, dword [ebp - 0x2c]
push eax
push 0
push 0
push 0
mov edi, dword [0x721af0]
mov edi, dword [edi]
mov eax, 0x453854
mov ecx, 9
mov edx, dword [ebp - 0x40]
call edi
mov dword [ebp - 0x34], eax
jmp 0x45330c
add dword [ebp - 0x34], 2
cmp dword [ebp - 0x34], 0
jl 0x4534c0
mov eax, dword [ebp - 0x2c]
push eax
push 0
mov eax, dword [ebp - 0x30]
push eax
push 0x7fffffff
mov edi, dword [0x721af0]
mov edi, dword [edi]
mov eax, 0x453848
mov ecx, 0xb
mov edx, dword [ebp - 0x40]
call edi
mov dword [ebp - 0x38], eax
cmp dword [ebp - 0x38], 0
jge 0x45334d
mov eax, dword [ebp - 0x2c]
mov dword [ebp - 0x38], eax
jmp 0x453351
add dword [ebp - 0x38], 2
push 0
mov ecx, dword [ebp - 0x38]
sub ecx, dword [ebp - 0x34]
mov edx, dword [ebp - 0x40]
add edx, dword [ebp - 0x34]
lea eax, [ebp - 0x18]
call fcn.00405cd0
lea edx, [ebp - 0xc]
mov eax, dword [ebp - 0x18]
call fcn.0040fd48
mov ecx, 0x45386c
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452c5c
test al, al
je 0x4534c0
mov ecx, 0x453890
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452c5c
test al, al
je 0x4534c0
mov ecx, 0x453818
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452c5c
test al, al
je 0x4534c0
mov ecx, 0x4538bc
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452c5c
test al, al
je 0x4534c0
lea ecx, [ebp - 0xc8]
mov edx, 0x4538bc
mov eax, dword [ebp - 0xc]
call fcn.004526f0
cmp dword [ebp - 0xc8], 0
jne 0x45341e
mov ecx, 0x4538d8
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452c5c
test al, al
je 0x4534c0
mov ecx, 0x453904
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452c5c
test al, al
je 0x4534c0
lea ecx, [ebp - 8]
mov edx, 0x453934
mov eax, dword [ebp - 0xc]
call fcn.004526f0
cmp dword [ebp - 8], 0
je 0x45345e
lea eax, [ebp - 8]
call fcn.00405d94
call fcn.00407100
push eax
mov eax, dword [ebp - 8]
call fcn.00406e0c
mov edx, eax
mov edi, dword [0x7220bc]
mov edi, dword [edi]
xor eax, eax
pop ecx
call edi
mov dword [ebp - 0x30], eax
jmp 0x453465
mov dword [ebp - 0x30], 1
lea eax, [ebp - 0xcc]
push eax
mov eax, dword [ebp - 0x30]
inc eax
mov cx, 0x30
mov edx, 1
call fcn.0040e504
mov eax, dword [ebp - 0xcc]
push eax
lea eax, [ebp - 4]
mov ecx, 0x4537f0
mov edx, 0x453934
call fcn.00452ae0
mov eax, dword [ebp - 0x38]
cmp eax, dword [ebp - 0x2c]
jae 0x4534b5
mov ecx, dword [ebp - 0x2c]
sub ecx, eax
mov edx, dword [ebp - 0x40]
add edx, dword [ebp - 0x34]
mov eax, dword [ebp - 0x40]
add eax, dword [ebp - 0x38]
call fcn.0040331c
mov eax, dword [ebp - 0x38]
sub eax, dword [ebp - 0x34]
sub dword [ebp - 0x2c], eax
jmp 0x4534ca
cmp dword [ebp - 0x30], 0xffffffff
jne 0x45325d
cmp byte [ebp - 0x41], 0
je 0x45355b
push 0
push 0
push 0
push ebx
call sub.kernel32.dll_SetFilePointer_1
xor eax, eax
mov dword [ebp - 0x30], eax
mov eax, dword [ebp - 0x2c]
push eax
push 0
mov eax, dword [ebp - 0x30]
inc eax
push eax
push 0x7fffffff
mov edi, dword [0x721af0]
mov edi, dword [edi]
mov eax, 0x453848
mov ecx, 0xb
mov edx, dword [ebp - 0x40]
call edi
mov dword [ebp - 0x30], eax
cmp dword [ebp - 0x30], 0xffffffff
je 0x45353a
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x208]
mov edi, eax
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x208]
shr eax, 2
sub edi, eax
mov eax, dword [ebp - 0x2c]
sub eax, dword [ebp - 0x30]
cmp edi, eax
jbe 0x4534e5
cmp dword [ebp - 0x30], 0xffffffff
je 0x45355b
add dword [ebp - 0x30], 2
mov eax, dword [ebp - 0x30]
sub dword [ebp - 0x2c], eax
mov edx, dword [ebp - 0x40]
mov eax, dword [ebp - 0x40]
add eax, dword [ebp - 0x30]
mov ecx, dword [ebp - 0x2c]
call fcn.0040331c
mov eax, dword [ebp - 0x40]
push eax
call sub.kernel32.dll_UnmapViewOfFile
mov eax, dword [ebp - 0x3c]
push eax
call sub.kernel32.dll_CloseHandle_1
push 0
push 0
mov eax, dword [ebp - 0x2c]
push eax
push ebx
call sub.kernel32.dll_SetFilePointer_1
push dword [ebp - 4]
push 0x45394c
push 0x45394c
lea eax, [ebp - 4]
mov edx, 3
call fcn.00407348
lea edx, [ebp - 0x14]
mov eax, dword [ebp - 4]
call fcn.0040ffd8
push 0
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 0x14]
xor edx, edx
call fcn.00405dc4
call fcn.00405f5c
push eax
mov eax, dword [ebp - 0x14]
push eax
push ebx
call sub.kernel32.dll_WriteFile_1
cmp eax, 1
sbb eax, eax
inc eax
mov byte [ebp - 0x25], al
push ebx
call sub.kernel32.dll_SetEndOfFile_1
push ebx
call sub.kernel32.dll_CloseHandle_1
cmp dword [ebp - 0x24], 0
sete al
and al, byte [ebp + 0xc]
je 0x453602
lea eax, [ebp - 0x20]
call fcn.00409294
push eax
push 0x453954
push esi
mov eax, dword [esi]
call dword [eax]
test eax, eax
jne 0x453602
mov dl, 1
mov eax, dword [ebp - 0x20]
mov ecx, dword [eax]
call dword [ecx + 0x24]
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x4536ae
lea eax, [ebp - 0xcc]
mov edx, 2
call fcn.00406d78
lea eax, [ebp - 0xc4]
call fcn.00405b98
lea eax, [ebp - 0xc0]
call fcn.00406d70
lea eax, [ebp - 0xbc]
call fcn.00405b98
lea eax, [ebp - 0xb8]
mov edx, 5
call fcn.00406d78
lea eax, [ebp - 0xa4]
call fcn.00405b98
lea eax, [ebp - 0xa0]
call fcn.00406d70
lea eax, [ebp - 0x9c]
call fcn.00405b98
lea eax, [ebp - 0x98]
mov edx, 2
call fcn.00406d78
lea eax, [ebp - 0x20]
call fcn.00409294
lea eax, [ebp - 0x1c]
mov edx, 3
call fcn.00405bbc
lea eax, [ebp - 0x10]
mov edx, 4
call fcn.00406d78
ret