Function at 0x43f580
Capabilities:
Delete file
Get file size
Read file on windows
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x52ecc8
mov eax, dword fs:[0]
push eax
sub esp, 0x78
mov eax, dword [0x58a088]
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 edi, ecx
cmp dword [edi + 0x18], 0
mov ebx, dword [ebp + 8]
mov dword [ebp - 0x70], ebx
je 0x43f5c0
push 0
call fcn.0043fac0
mov ecx, dword [edi + 0x9c]
test ecx, ecx
je 0x43f5d4
mov eax, dword [ecx]
push dword [edi + 0xa0]
call dword [eax]
lea esi, [edi + 4]
mov dword [ebp - 0x30], 0
mov dword [ebp - 0x30], esi
test esi, esi
je 0x43f5f2
mov eax, dword [esi]
test eax, eax
je 0x43f5f2
push eax
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov dword [ebp - 4], 0
lea eax, [ebp - 0x64]
push eax
mov ecx, edi
call fcn.0043fe80
mov byte [ebp - 4], 1
lea eax, [ebp - 0x4c]
push eax
mov ecx, edi
call fcn.0043ff90
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x64]
call fcn.00404470
test al, al
jne 0x43fa17
lea ecx, [ebp - 0x4c]
call fcn.00404470
test al, al
jne 0x43fa17
push 0
push 0x80
push 4
push 0
push 0
push 0xc0000000
lea ecx, [ebp - 0x4c]
call fcn.00403390
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [edi + 0x18], eax
cmp eax, 0xffffffff
je 0x43fa0e
test eax, eax
je 0x43fa0e
push 0
push 0x80
push 4
push 0
push 0
push 0xc0000000
lea ecx, [ebp - 0x64]
call fcn.00403390
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x6c], eax
cmp eax, 0xffffffff
je 0x43f9ed
test eax, eax
je 0x43f9ed
lea ecx, [ebp - 0x30]
call fcn.00439770
push 0
push dword [ebp - 0x6c]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x2c], eax
cmp eax, 0x1400000
jbe 0x43f722
push dword [ebp - 0x6c]
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
call ebx
push esi
lea ecx, [ebp - 0x1c]
mov dword [ebp - 0x1c], 0
call fcn.0042ac40
mov byte [ebp - 4], 3
mov eax, dword [edi + 0x18]
test eax, eax
je 0x43f6ee
push eax
call ebx
mov dword [edi + 0x18], 0
lea ecx, [ebp - 0x64]
call fcn.00403390
mov esi, dword [sym.imp.KERNEL32.dll_DeleteFileW]
push eax
call esi
lea ecx, [ebp - 0x4c]
call fcn.00403390
push eax
call esi
mov dword [edi + 0x1c], 0
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x1c]
call fcn.0042ac70
jmp 0x43fa55
mov byte [ebp - 0x65], 1
mov byte [ebp - 0x1c], 0
test eax, eax
je 0x43f8ba
xorps xmm0, xmm0
mov dword [ebp - 0x20], 0
movq qword [ebp - 0x28], xmm0
mov dword [ebp - 0x34], 0
mov dword [ebp - 0x28], 0
mov dword [ebp - 0x24], 0
mov dword [ebp - 0x20], 0
mov byte [ebp - 4], 4
lea eax, [ebp - 0x66]
push eax
push dword [ebp - 0x2c]
lea ecx, [ebp - 0x28]
mov byte [ebp - 0x66], 0
call fcn.00440270
push 0
lea eax, [ebp - 0x34]
push eax
push dword [ebp - 0x2c]
push dword [ebp - 0x28]
push dword [ebp - 0x6c]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x43f795
mov eax, dword [ebp - 0x34]
cmp eax, dword [ebp - 0x2c]
je 0x43f80b
mov dword [ebp - 0x7c], 0
mov dword [ebp - 0x78], 0
mov dword [ebp - 0x74], 0
mov byte [ebp - 4], 5
lea eax, [ebp - 0x7c]
push eax
lea ecx, [ebp - 0x28]
call fcn.00439260
mov byte [ebp - 4], 4
mov ecx, dword [ebp - 0x7c]
test ecx, ecx
je 0x43f807
mov edx, dword [ebp - 0x74]
mov eax, ecx
sub edx, ecx
cmp edx, 0x1000
jb 0x43f7e8
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43faad
push edx
push ecx
call fcn.004e2035
add esp, 8
mov dword [ebp - 0x7c], 0
mov dword [ebp - 0x78], 0
mov dword [ebp - 0x74], 0
mov byte [ebp - 0x65], 0
mov eax, dword [ebp - 0x28]
cmp eax, dword [ebp - 0x24]
je 0x43f863
mov ecx, ebx
call fcn.00440100
mov eax, dword [ebp - 0x24]
mov dword [ebp - 0x18], 0
sub eax, dword [ebp - 0x28]
je 0x43f84e
nop dword [eax]
push ebx
lea edx, [ebp - 0x18]
lea ecx, [ebp - 0x28]
call fcn.0044bc70
add esp, 4
test al, al
je 0x43f84e
mov eax, dword [ebp - 0x24]
sub eax, dword [ebp - 0x28]
cmp dword [ebp - 0x18], eax
jb 0x43f830
mov eax, dword [ebp - 0x1c]
mov ecx, 1
cmp dword [ebx + 4], 0
movzx eax, al
cmove eax, ecx
mov dword [ebp - 0x1c], eax
mov byte [ebp - 4], 2
mov ecx, dword [ebp - 0x28]
test ecx, ecx
je 0x43f8b0
mov edx, dword [ebp - 0x20]
mov eax, ecx
sub edx, ecx
cmp edx, 0x1000
jb 0x43f891
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x43fab2
push edx
push ecx
call fcn.004e2035
add esp, 8
mov dword [ebp - 0x28], 0
mov dword [ebp - 0x24], 0
mov dword [ebp - 0x20], 0
cmp byte [ebp - 0x65], 0
je 0x43f99b
push esi
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x18], 0
call fcn.0042ac40
mov byte [ebp - 4], 6
mov eax, dword [ebp - 0x2c]
push 0
push 0
push 0
push dword [edi + 0x18]
mov dword [edi + 0x1c], eax
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
lea eax, [ebp - 0x34]
mov dword [ebp - 0x34], 0
push eax
push 4
lea eax, [ebp - 0x2c]
push eax
push dword [edi + 0x18]
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov ebx, eax
neg ebx
sbb bl, bl
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x18]
call fcn.0042ac70
and bl, byte [ebp - 0x65]
je 0x43f99b
lea ecx, [edi + 0x10]
call fcn.00440100
cmp dword [edi + 0xc], 0
je 0x43f94b
mov eax, dword [edi + 8]
lea esi, [edi + 8]
mov ecx, dword [ebp - 0x70]
push eax
push dword [eax]
lea eax, [ebp - 0x70]
push dword [ecx]
push eax
call fcn.004403e0
push esi
lea ecx, [edi + 0x10]
call fcn.004400d0
lea esi, [edi + 4]
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
push dword [ebp - 0x6c]
call ebx
cmp byte [ebp - 0x1c], 0
je 0x43fa55
lea ecx, [ebp - 0x64]
call fcn.00403390
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push esi
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x18], 0
call fcn.0042ac40
mov byte [ebp - 4], 8
mov dword [edi + 0x1c], 0
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x18]
call fcn.0042ac70
jmp 0x43fa55
push esi
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x18], 0
call fcn.0042ac40
mov byte [ebp - 4], 7
mov eax, dword [edi + 0x18]
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
je 0x43f9c6
push eax
call ebx
mov dword [edi + 0x18], 0
lea ecx, [ebp - 0x4c]
call fcn.00403390
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
mov dword [edi + 0x1c], 0
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x18]
call fcn.0042ac70
jmp 0x43f951
push dword [edi + 0x18]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea ecx, [ebp - 0x4c]
mov dword [edi + 0x18], 0
call fcn.00403390
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
jmp 0x43fa55
mov dword [edi + 0x18], 0
jmp 0x43fa55
lea esi, [edi + 0x10]
mov ecx, esi
call fcn.00440100
cmp dword [edi + 0xc], 0
je 0x43fa55
mov eax, dword [edi + 8]
add edi, 8
push eax
mov ecx, ebx
push dword [eax]
lea eax, [ebp - 0x70]
push dword [ebx]
push eax
call fcn.004403e0
cmp esi, edi
je 0x43fa55
mov ecx, dword [esi]
mov eax, dword [edi]
mov dword [esi], eax
mov dword [edi], ecx
mov ecx, dword [esi + 4]
mov eax, dword [edi + 4]
mov dword [esi + 4], eax
mov dword [edi + 4], ecx
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x4c]
call fcn.00402a30
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x64]
call fcn.00402a30
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp - 0x30]
test eax, eax
je 0x43fa8f
mov eax, dword [eax]
test eax, eax
je 0x43fa88
push eax
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov dword [ebp - 0x30], 0
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.004e1ff4
mov esp, ebp
pop ebp
ret 4
call fcn.004ed129
call fcn.004ed129
int3