Function at 0x44fb20
Capabilities:
Check if file exists
Create process on windows
Get file size

Disassembly:
sub esp, 0x44
push esi
mov esi, ecx
xor cl, cl
push edi
mov eax, dword [esi + 0xe4]
cmp eax, 1
jne 0x44fb40
mov ecx, esi
pop edi
pop esi
add esp, 0x44
jmp 0x4524d0
test eax, eax
jne 0x44fb50
mov ecx, esi
pop edi
pop esi
add esp, 0x44
jmp fcn.00452760
cmp eax, 3
jne 0x44fc4b
cmp dword [esi + 0x104], 0
jne 0x44fc43
mov eax, dword [esi + 0xec]
xorps xmm0, xmm0
mov dword [esp + 0x14], 0
movlpd qword [esp + 0x20], xmm0
movlpd qword [esp + 0x2c], xmm0
movlpd qword [esp + 0x34], xmm0
movlpd qword [esp + 0x3c], xmm0
mov dword [esp + 0x44], 0
mov dword [esp + 0xc], 0x3c
mov dword [esp + 0x10], 0x40
cmp dword [eax - 4], 1
jle 0x44fbc1
push dword [eax - 0xc]
lea ecx, [esi + 0xec]
call fcn.00402140
mov eax, dword [esi + 0xec]
mov dword [esp + 0x1c], eax
mov eax, dword [esi + 0xf0]
mov dword [esp + 0x28], 0
mov dword [esp + 0x18], str.open
mov ecx, dword [eax - 0xc]
test ecx, ecx
je 0x44fbfe
cmp dword [eax - 4], 1
jle 0x44fbfa
push ecx
lea ecx, [esi + 0xf0]
call fcn.00402140
mov eax, dword [esi + 0xf0]
mov dword [esp + 0x20], eax
lea eax, [esp + 0xc]
push eax
call dword [sym.imp.SHELL32.dll_ShellExecuteExW]
test eax, eax
je 0x44fc43
mov eax, dword [esp + 0x44]
test eax, eax
je 0x44fc43
push 0xffffffffffffffff
push eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
lea eax, [esp + 8]
mov dword [esp + 8], 0
push eax
push dword [esp + 0x48]
call dword [sym.imp.KERNEL32.dll_GetExitCodeProcess]
cmp dword [esp + 8], 0
setne al
pop edi
pop esi
add esp, 0x44
ret
xor al, al
pop edi
pop esi
add esp, 0x44
ret
cmp eax, 4
jne 0x44fc5c
mov ecx, esi
pop edi
pop esi
add esp, 0x44
jmp fcn.00452a50
pop edi
mov al, cl
pop esi
add esp, 0x44
ret
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x492b40
mov eax, dword fs:[0]
push eax
push ebx
sub esp, 0x48
mov eax, dword [0x4c0074]
xor eax, ebp
mov dword [ebp - 0x14], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
cmp dword [edi + 0xe4], 1
jne 0x452746
cmp dword [edi + 0x104], 0
jne 0x452746
lea eax, [ebp - 0x40]
mov dword [ebp - 0x40], 0
xorps xmm0, xmm0
lea esi, [edi + 0xec]
push eax
lea edx, [ebp - 0x48]
movlpd qword [ebp - 0x48], xmm0
mov ecx, esi
call fcn.0040a1d0
add esp, 4
test eax, eax
jne 0x452746
test byte [edi + 0xe8], 1
je 0x45265e
mov ecx, dword [esi]
mov dword [ebp - 0x1c], eax
mov dword [ebp - 0x20], eax
mov dword [ebp - 0x24], eax
cmp dword [ecx - 4], 1
mov dword [ebp - 0x28], eax
mov dword [ebp - 0x18], eax
jle 0x452588
push dword [ecx - 0xc]
mov ecx, esi
call fcn.00402140
mov ecx, dword [esi]
lea eax, [ebp - 0x4c]
push eax
lea edx, [ebp - 0x40]
call fcn.0040af90
add esp, 4
test eax, eax
jne 0x45264b
mov eax, dword [ebp - 0x40]
mov ecx, eax
movzx eax, ax
shr ecx, 0x10
mov dword [ebp - 0x54], eax
mov eax, dword [ebp - 0x4c]
mov dword [ebp - 0x44], ecx
mov ecx, eax
shr ecx, 0x10
movzx eax, ax
mov dword [ebp - 0x50], ecx
mov dword [ebp - 0x4c], eax
call fcn.00403f70
mov ecx, eax
test ecx, ecx
je 0x45274a
mov eax, dword [ecx]
mov eax, dword [eax + 0xc]
call eax
add eax, 0x10
mov dword [ebp - 0x40], eax
mov dword [ebp - 4], 1
lea eax, [ebp - 0x40]
push dword [ebp - 0x4c]
push dword [ebp - 0x50]
push dword [ebp - 0x54]
push dword [ebp - 0x44]
push str._d._d._d._d
push eax
call fcn.00403590
add esp, 0x14
mov dword [ebp - 0x2c], 0
lea eax, [ebp - 0x40]
xorps xmm0, xmm0
lea ecx, [ebp - 0x3c]
movups xmmword [ebp - 0x3c], xmm0
push eax
call fcn.0041aaa0
movups xmm0, xmmword [ebp - 0x3c]
mov eax, dword [ebp - 0x2c]
mov dword [ebp - 0x18], eax
movups xmmword [ebp - 0x28], xmm0
mov dword [ebp - 4], 0xffffffff
or eax, 0xffffffff
mov edx, dword [ebp - 0x40]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x45264b
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
lea eax, [ebp - 0x28]
mov ecx, edi
push eax
call fcn.00452430
test al, al
je 0x452746
test byte [edi + 0xe8], 2
je 0x452706
mov eax, dword [esi]
cmp dword [eax - 4], 1
jle 0x45267f
push dword [eax - 0xc]
mov ecx, esi
call fcn.00402140
mov eax, dword [esi]
push 0
push 0x80
push 3
push 0
push 0
push SysReAllocString
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
mov dword [ebp - 0x48], 0x4a4fc8
mov dword [ebp - 0x44], esi
mov dword [ebp - 4], 3
cmp esi, 0xffffffff
jne 0x4526cc
mov dword [ebp - 4], eax
push eax
mov dword [ebp - 0x48], 0x4a4fc8
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 0x44], 0
xor al, al
jmp 0x452708
cmp dword [edi + 0x120], 0
je 0x452726
push 0
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, dword [edi + 0x120]
jne 0x452726
mov dword [ebp - 4], 0xffffffff
mov dword [ebp - 0x48], 0x4a4fc8
test esi, esi
je 0x452706
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 0x44], 0
mov al, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.0046c8db
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
mov dword [ebp - 4], 0xffffffff
mov dword [ebp - 0x48], 0x4a4fc8
test esi, esi
je 0x452746
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov dword [ebp - 0x44], 0
xor al, al
jmp 0x452708
push 0x80004005
call fcn.004023a0
int3