Function at 0x45220c
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 0x452215
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.00406dc4
xor eax, eax
push ebp
push 0x452be0
push dword fs:[eax]
mov dword fs:[eax], esp
mov byte [ebp - 0x25], 0
cmp dword [ebp - 4], 0
je 0x452b3e
cmp dword [ebp - 0x24], 0
jne 0x452479
lea edx, [ebp - 8]
mov eax, esi
mov ecx, dword [eax]
call dword [ecx + 0x1f8]
cmp byte [ebp + 0xc], 0
jne 0x45245b
mov eax, 0xfa
call fcn.00437a9c
test al, al
je 0x45228c
push 0
call sub.user32.dll_MessageBeep
jmp 0x452b3e
push 0x7fffffff
mov edi, dword [0x733858]
mov edi, dword [edi]
mov ecx, 1
mov edx, dword [ebp - 8]
mov eax, 0x452c04
call edi
test eax, eax
jle 0x4522d5
lea edx, [ebp - 0x94]
mov eax, dword [ebp - 8]
call fcn.00435c5c
mov edx, dword [ebp - 0x94]
lea eax, [ebp - 8]
call fcn.00406e30
lea edx, [ebp - 0xc]
mov eax, dword [ebp - 8]
call fcn.0040fa6c
jmp 0x4522e4
lea ecx, [ebp - 0xc]
mov dl, 1
mov eax, 0x10
call fcn.004381e0
lea edx, [ebp - 0x98]
mov eax, dword [ebp - 8]
call fcn.0040fa2c
mov edx, dword [ebp - 0x98]
lea eax, [ebp - 8]
call fcn.00406e30
lea eax, [ebp - 8]
mov edx, 0x452c14
call fcn.00407130
lea eax, [ebp - 8]
mov edx, 0x105
call fcn.00407098
lea edx, [ebp - 0x10]
mov eax, esi
mov ecx, dword [eax]
call dword [ecx + 0x2ac]
lea eax, [ebp - 0x8d]
mov edx, 0x4c
call fcn.0040b250
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 0x4523c0
mov eax, dword [ebp - 8]
call fcn.00406e68
mov dword [ebp - 0x71], eax
mov eax, dword [ebp - 0xc]
call fcn.00406e68
mov dword [ebp - 0x61], eax
mov eax, dword [ebp - 0x10]
call fcn.00406e68
mov dword [ebp - 0x5d], eax
mov eax, 0x452c18
mov dword [ebp - 0x81], eax
mov eax, 0x452c34
mov dword [ebp - 0x51], eax
lea eax, [ebp - 0x8d]
push eax
call sub.comdlg32.dll_GetSaveFileNameW
test eax, eax
je 0x452b3e
lea eax, [ebp - 8]
mov edx, dword [ebp - 0x71]
call fcn.00406f88
jmp 0x452484
lea eax, [ebp - 0x14]
mov edx, dword [ebp - 8]
mov ecx, 0
call fcn.00407020
lea eax, [ebp - 0x18]
mov edx, dword [ebp - 0xc]
mov ecx, 0
call fcn.00407020
lea eax, [ebp - 0x1c]
mov edx, dword [ebp - 0x10]
mov ecx, 0
call fcn.00407020
mov eax, dword [ebp - 0x14]
call fcn.00406468
mov dword [ebp - 0x71], eax
mov eax, dword [ebp - 0x18]
call fcn.00406468
mov dword [ebp - 0x61], eax
mov eax, dword [ebp - 0x1c]
call fcn.00406468
mov dword [ebp - 0x5d], eax
mov eax, 0x452c40
mov dword [ebp - 0x81], eax
mov eax, 0x452c50
mov dword [ebp - 0x51], eax
lea eax, [ebp - 0x8d]
push eax
call sub.comdlg32.dll_GetSaveFileNameA
test eax, eax
je 0x452b3e
lea eax, [ebp - 0x9c]
mov edx, dword [ebp - 0x71]
mov ecx, 0
call fcn.00406060
mov edx, dword [ebp - 0x9c]
lea eax, [ebp - 8]
call fcn.00406ff8
jmp 0x452484
lea edx, [ebp - 0xa0]
mov eax, dword [ebp - 8]
call fcn.00435c5c
mov edx, dword [ebp - 0xa0]
lea eax, [ebp - 8]
call fcn.00406e30
jmp 0x452484
lea eax, [ebp - 8]
mov edx, dword [ebp - 0x24]
call fcn.00406e30
push ebp
mov eax, dword [ebp - 8]
call fcn.00451eb8
pop ecx
call sub.kernel32.dll_GetVersion_1
test eax, 0x80000000
jne 0x4524bb
push 0
push 0
push 4
push 0
push 0
push 0xc0000000
mov eax, dword [ebp - 8]
call fcn.00406e68
push eax
call sub.kernel32.dll_CreateFileW_1
mov ebx, eax
jmp 0x4524f0
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.00407020
mov eax, dword [ebp - 0xa4]
call fcn.00406468
push eax
call sub.kernel32.dll_CreateFileA
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x45261c
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 [0x733858]
mov edi, dword [edi]
mov ecx, 1
mov eax, 0x452c04
call edi
test eax, eax
jne 0x45261c
push 0x452c64
lea edx, [ebp - 0xb4]
xor eax, eax
call fcn.00435b68
mov eax, dword [ebp - 0xb4]
lea edx, [ebp - 0xb0]
call fcn.0040fa2c
mov eax, dword [ebp - 0xb0]
lea edx, [ebp - 0xac]
call fcn.00435c1c
push dword [ebp - 0xac]
push 0x452c04
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.00407280
push 0x452c90
push 0x452cb4
push 0x452cd8
lea edx, [ebp - 8]
mov ecx, 0x452d04
xor eax, eax
call fcn.0043851c
push ebp
mov eax, dword [ebp - 8]
call fcn.00451eb8
pop ecx
call sub.kernel32.dll_GetVersion_1
test eax, 0x80000000
jne 0x4525e7
push 0
push 0
push 4
push 0
push 0
push 0xc0000000
mov eax, dword [ebp - 8]
call fcn.00406e68
push eax
call sub.kernel32.dll_CreateFileW_1
mov ebx, eax
jmp 0x45261c
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.00407020
mov eax, dword [ebp - 0xbc]
call fcn.00406468
push eax
call sub.kernel32.dll_CreateFileA
mov ebx, eax
cmp ebx, 0xffffffff
je 0x452b3e
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x200]
test al, al
je 0x452ab7
push 0
push ebx
call sub.kernel32.dll_GetFileSize_1
mov dword [ebp - 0x2c], eax
lea eax, [ebp - 8]
xor edx, edx
call fcn.00406e30
cmp dword [ebp - 0x2c], 0
jbe 0x45270a
lea ecx, [ebp - 8]
mov edx, 0x452d2c
mov eax, dword [ebp - 4]
call fcn.00451c2c
lea eax, [ebp - 8]
call fcn.00405f8c
call fcn.0040708c
cmp eax, 0x1f
jne 0x452700
lea ecx, [ebp - 0xc0]
mov edx, 0x452d54
mov eax, dword [ebp - 4]
call fcn.00451c2c
cmp dword [ebp - 0xc0], 0
je 0x4526b1
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 0x4526c8
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 0x4526da
lea eax, [ebp - 8]
xor edx, edx
call fcn.00406e30
jmp 0x45270a
sub al, 1
jb 0x4526e2
je 0x4526f1
jmp 0x45270a
lea eax, [ebp - 8]
mov edx, 9
call fcn.00407098
jmp 0x45270a
lea eax, [ebp - 8]
mov edx, 0x14
call fcn.00407098
jmp 0x45270a
lea eax, [ebp - 8]
xor edx, edx
call fcn.00406e30
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x208]
test eax, eax
jbe 0x452727
mov eax, esi
mov edx, dword [eax]
call dword [edx + 0x208]
cmp eax, dword [ebp - 0x2c]
jb 0x45272b
xor eax, eax
jmp 0x45272d
mov al, 1
mov byte [ebp - 0x41], al
cmp byte [ebp - 0x41], 0
jne 0x452740
cmp dword [ebp - 8], 0
je 0x452aa9
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 0x452aa9
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 0x452aa0
cmp dword [ebp - 8], 0
je 0x452a06
lea edx, [ebp - 0x14]
mov eax, dword [ebp - 8]
call fcn.0040f75c
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.00405fbc
call fcn.00406140
add eax, 2
push eax
lea eax, [ebp - 0xc4]
mov ecx, dword [ebp - 0x14]
mov edx, 0x452d80
call fcn.004061f0
mov eax, dword [ebp - 0xc4]
call fcn.00406468
mov edi, dword [0x733534]
mov edi, dword [edi]
mov edx, dword [ebp - 0x40]
pop ecx
call edi
mov dword [ebp - 0x30], eax
cmp dword [ebp - 0x30], 0
jl 0x4529fc
mov eax, dword [ebp - 0x2c]
push eax
push 0
mov eax, dword [ebp - 0x30]
push eax
push 0
mov edi, dword [0x733534]
mov edi, dword [edi]
mov eax, 0x452d84
mov ecx, 0xb
mov edx, dword [ebp - 0x40]
call edi
mov dword [ebp - 0x34], eax
cmp dword [ebp - 0x34], 0
jge 0x452844
mov eax, dword [ebp - 0x2c]
push eax
push 0
push 0
push 0
mov edi, dword [0x733534]
mov edi, dword [edi]
mov eax, 0x452d90
mov ecx, 9
mov edx, dword [ebp - 0x40]
call edi
mov dword [ebp - 0x34], eax
jmp 0x452848
add dword [ebp - 0x34], 2
cmp dword [ebp - 0x34], 0
jl 0x4529fc
mov eax, dword [ebp - 0x2c]
push eax
push 0
mov eax, dword [ebp - 0x30]
push eax
push 0x7fffffff
mov edi, dword [0x733534]
mov edi, dword [edi]
mov eax, 0x452d84
mov ecx, 0xb
mov edx, dword [ebp - 0x40]
call edi
mov dword [ebp - 0x38], eax
cmp dword [ebp - 0x38], 0
jge 0x452889
mov eax, dword [ebp - 0x2c]
mov dword [ebp - 0x38], eax
jmp 0x45288d
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.00405ee4
lea edx, [ebp - 0xc]
mov eax, dword [ebp - 0x18]
call fcn.0040f4cc
mov ecx, 0x452da8
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452198
test al, al
je 0x4529fc
mov ecx, 0x452dcc
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452198
test al, al
je 0x4529fc
mov ecx, 0x452d54
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452198
test al, al
je 0x4529fc
mov ecx, 0x452df8
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452198
test al, al
je 0x4529fc
lea ecx, [ebp - 0xc8]
mov edx, 0x452df8
mov eax, dword [ebp - 0xc]
call fcn.00451c2c
cmp dword [ebp - 0xc8], 0
jne 0x45295a
mov ecx, 0x452e14
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452198
test al, al
je 0x4529fc
mov ecx, 0x452e40
mov edx, dword [ebp - 4]
mov eax, dword [ebp - 0xc]
call fcn.00452198
test al, al
je 0x4529fc
lea ecx, [ebp - 8]
mov edx, 0x452e70
mov eax, dword [ebp - 0xc]
call fcn.00451c2c
cmp dword [ebp - 8], 0
je 0x45299a
lea eax, [ebp - 8]
call fcn.00405f8c
call fcn.0040708c
push eax
mov eax, dword [ebp - 8]
call fcn.00406e68
mov edx, eax
mov edi, dword [0x733bcc]
mov edi, dword [edi]
xor eax, eax
pop ecx
call edi
mov dword [ebp - 0x30], eax
jmp 0x4529a1
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.0040e1e4
mov eax, dword [ebp - 0xcc]
push eax
lea eax, [ebp - 4]
mov ecx, 0x452d2c
mov edx, 0x452e70
call fcn.0045201c
mov eax, dword [ebp - 0x38]
cmp eax, dword [ebp - 0x2c]
jae 0x4529f1
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.0040343c
mov eax, dword [ebp - 0x38]
sub eax, dword [ebp - 0x34]
sub dword [ebp - 0x2c], eax
jmp 0x452a06
cmp dword [ebp - 0x30], 0xffffffff
jne 0x452799
cmp byte [ebp - 0x41], 0
je 0x452a97
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 [0x733534]
mov edi, dword [edi]
mov eax, 0x452d84
mov ecx, 0xb
mov edx, dword [ebp - 0x40]
call edi
mov dword [ebp - 0x30], eax
cmp dword [ebp - 0x30], 0xffffffff
je 0x452a76
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 0x452a21
cmp dword [ebp - 0x30], 0xffffffff
je 0x452a97
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.0040343c
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 0x452e88
push 0x452e88
lea eax, [ebp - 4]
mov edx, 3
call fcn.00407280
lea edx, [ebp - 0x14]
mov eax, dword [ebp - 4]
call fcn.0040f75c
push 0
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 0x14]
xor edx, edx
call fcn.00405fbc
call fcn.00406140
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 0x452b3e
lea eax, [ebp - 0x20]
call fcn.00409124
push eax
push 0x452e90
push esi
mov eax, dword [esi]
call dword [eax]
test eax, eax
jne 0x452b3e
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 0x452bea
lea eax, [ebp - 0xcc]
mov edx, 2
call fcn.00406dd4
lea eax, [ebp - 0xc4]
call fcn.00405dac
lea eax, [ebp - 0xc0]
call fcn.00406dcc
lea eax, [ebp - 0xbc]
call fcn.00405dac
lea eax, [ebp - 0xb8]
mov edx, 5
call fcn.00406dd4
lea eax, [ebp - 0xa4]
call fcn.00405dac
lea eax, [ebp - 0xa0]
call fcn.00406dcc
lea eax, [ebp - 0x9c]
call fcn.00405dac
lea eax, [ebp - 0x98]
mov edx, 2
call fcn.00406dd4
lea eax, [ebp - 0x20]
call fcn.00409124
lea eax, [ebp - 0x1c]
mov edx, 3
call fcn.00405dd0
lea eax, [ebp - 0x10]
mov edx, 4
call fcn.00406dd4
ret