Function at 0x45f620
Capabilities:
Delete file
Get file size
Read file on windows
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x688091
mov eax, dword fs:[0]
push eax
sub esp, 0x50
mov eax, dword [0x729140]
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 esi, ecx
mov bl, byte [ebp + 8]
mov dword [ebp - 0x54], 0
test bl, bl
je 0x45f670
mov ecx, dword [esi + 0x9c]
test ecx, ecx
je 0x45f670
mov eax, dword [ecx]
push dword [esi + 0xa0]
call dword [eax + 4]
push 4
lea ecx, [ebp - 0x58]
call fcn.00407a60
lea eax, [esi + 4]
push eax
lea ecx, [ebp - 0x58]
call fcn.0042ab70
mov dword [ebp - 4], 0
test bl, bl
mov ebx, dword [sym.imp.KERNEL32.dll_DeleteFileW]
je 0x45f879
push 0
push 0
mov dword [ebp - 0x50], 0
mov dword [ebp - 0x4c], 0
call fcn.0045fe00
mov edx, eax
mov dword [ebp - 0x50], edx
mov byte [ebp - 4], 3
lea ecx, [esi + 0x10]
lea eax, [ebp - 0x50]
cmp ecx, eax
je 0x45f6d7
mov eax, dword [ecx]
mov dword [ecx], edx
add ecx, 4
lea edx, [ebp - 0x4c]
mov dword [ebp - 0x50], eax
call fcn.0041c5a0
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x50]
call fcn.0045fbd0
mov byte [ebp - 4], 0
push 0x54
push dword [ebp - 0x50]
call fcn.00634ee5
add esp, 8
mov byte [ebp - 4], 6
lea eax, [esi + 0x20]
push eax
lea ecx, [ebp - 0x44]
call fcn.00414330
cmp dword [esi + 0x1c], 0
mov dword [ebp - 0x54], 1
jbe 0x45f85d
lea ecx, [ebp - 0x44]
call fcn.0040cdb0
test al, al
jne 0x45f85d
push 0
push 0x80
push 4
push 0
push 0
push 0xc0000000
lea ecx, [ebp - 0x44]
call fcn.00405860
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edi, eax
cmp edi, 0xffffffff
je 0x45f85d
test edi, edi
je 0x45f85d
push 0
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov ecx, dword [esi + 0x1c]
mov ebx, eax
mov edx, dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp ebx, ecx
sete al
mov byte [ebp - 0x45], al
jbe 0x45f823
push 0
push 0
push ecx
push edi
call edx
sub ebx, dword [esi + 0x1c]
push ecx
lea ecx, [ebp - 0x2c]
mov dword [ebp - 0x20], 0
call fcn.0040d600
call fcn.0040cd90
mov byte [ebp - 4], 7
lea eax, [ebp - 0x46]
push eax
push ebx
mov byte [ebp - 0x46], 0
call fcn.0045dc70
lea ecx, [ebp - 0x2c]
call fcn.004028e0
push 0
lea ecx, [ebp - 0x20]
mov dword [ebp - 0x4c], eax
push ecx
push ebx
push dword [eax]
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x45f80a
cmp dword [ebp - 0x20], ebx
jne 0x45f80a
push 0
push 0
push 0
push edi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 0
push eax
mov eax, dword [ebp - 0x4c]
push ebx
push dword [eax]
push edi
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x45f80a
cmp dword [ebp - 0x18], ebx
jne 0x45f80e
push edi
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
jmp 0x45f80e
mov byte [ebp - 0x45], 1
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x2c]
call fcn.00425230
mov al, byte [ebp - 0x45]
mov edx, dword [sym.imp.KERNEL32.dll_SetFilePointer]
test al, al
je 0x45f837
push 0
push 0
push 0
push edi
call edx
push edi
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
push edi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp byte [ebp - 0x45], 0
je 0x45f857
lea ecx, [ebp - 0x44]
call fcn.00405860
mov ebx, dword [sym.imp.KERNEL32.dll_DeleteFileW]
push eax
call ebx
jmp 0x45f85d
mov ebx, dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov eax, 1
mov dword [ebp - 0x54], eax
and eax, 0xfffffffe
mov dword [ebp - 0x54], eax
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x44]
call fcn.00405870
jmp 0x45f8ec
cmp dword [esi + 0x14], 0
je 0x45f8ec
mov eax, dword [esi + 0x10]
lea edi, [esi + 0x10]
push eax
lea ecx, [esi + 8]
push dword [eax]
lea eax, [ebp - 0x4c]
push dword [ecx]
push eax
call fcn.0045fec0
push 0
push 0
mov dword [ebp - 0x1c], 0
mov dword [ebp - 0x18], 0
call fcn.0045fe00
mov ecx, eax
mov dword [ebp - 0x1c], ecx
mov byte [ebp - 4], 0xa
lea eax, [ebp - 0x1c]
cmp edi, eax
je 0x45f8cf
mov eax, dword [edi]
lea edx, [ebp - 0x18]
mov dword [edi], ecx
lea ecx, [edi + 4]
mov dword [ebp - 0x1c], eax
call fcn.0041c5a0
mov byte [ebp - 4], 0xb
lea ecx, [ebp - 0x1c]
call fcn.0045fbd0
mov byte [ebp - 4], 0
push 0x54
push dword [ebp - 0x1c]
call fcn.00634ee5
add esp, 8
mov eax, dword [esi + 0x18]
test eax, eax
je 0x45f927
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea eax, [ebp - 0x44]
mov dword [esi + 0x18], 0
push eax
mov ecx, esi
call fcn.0045fa70
mov byte [ebp - 4], 0xd
lea ecx, [ebp - 0x44]
call fcn.00405860
push eax
call ebx
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x44]
call fcn.00405870
mov dword [esi + 0x1c], 0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x58]
call fcn.0042aba0
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.00634bf3
mov esp, ebp
pop ebp
ret 4