Function at 0x442860
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x2c
push ebx
push esi
mov esi, dword [ebp + 8]
mov eax, dword [esi + 0xc]
mov ecx, dword [esi + 8]
xor ebx, ebx
lea edx, [eax + 0x10]
push edi
mov dword [esp + 0x18], ebx
cmp edx, ecx
jae 0x44288a
cmp edx, 0x4990f0
jne 0x442894
mov dword [esp + 0x1c], 0xffffffff
jmp 0x44289b
mov edx, dword [edx + 8]
mov dword [esp + 0x1c], edx
add eax, 0x20
cmp eax, ecx
jae 0x442945
cmp eax, 0x4990f0
je 0x442935
mov edx, dword [eax + 8]
cmp edx, 3
jne 0x442919
cmp eax, ecx
jb 0x4428c2
mov eax, 0x4990f0
mov ecx, dword [eax + 8]
cmp ecx, 3
je 0x4428f5
cmp ecx, 4
jne 0x44290e
mov eax, dword [eax]
add eax, 0x10
lea edi, [esp + 0x10]
call fcn.00447890
test eax, eax
je 0x44290e
fld qword [esp + 0x10]
mov dword [esp + 0x30], 3
fstp qword [esp + 0x28]
lea eax, [esp + 0x28]
fld qword [eax]
fadd qword [0x49deb8]
fstp qword [esp + 0x20]
mov eax, dword [esp + 0x20]
movzx eax, ax
mov dword [esp + 0x10], eax
jmp 0x442977
xor eax, eax
movzx eax, ax
mov dword [esp + 0x10], eax
jmp 0x442977
cmp edx, 2
jne 0x442935
cmp eax, ecx
jb 0x442927
mov eax, 0x4990f0
cmp dword [eax + 8], 2
jne 0x442973
mov ecx, dword [eax]
mov dword [esp + 0x10], ecx
jmp 0x442977
cmp eax, ecx
jae 0x442945
cmp eax, 0x4990f0
je 0x442945
cmp dword [eax + 8], ebx
jg 0x44294f
mov dword [esp + 0x10], 0x49c150
jmp 0x442977
push 3
xor ebx, ebx
mov eax, esi
call fcn.00420960
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x442973
push 0x49a078
lea edi, [eax + 3]
call fcn.00423580
add esp, 4
mov dword [esp + 0x10], ebx
mov eax, dword [esp + 0x1c]
cmp eax, 4
jne 0x442b5e
mov eax, dword [esi + 0xc]
add eax, 0x10
cmp eax, dword [esi + 8]
jb 0x442994
mov eax, 0x4990f0
mov ecx, dword [eax + 8]
cmp ecx, 4
je 0x4429e7
cmp ecx, 7
jne 0x4429ae
mov ecx, dword [eax]
cmp dword [ecx + 8], 0
jne 0x4429ae
lea edi, [ecx + 0x18]
jmp 0x4429ec
mov edi, dword [ebp + 8]
mov esi, eax
call fcn.00437b70
test eax, eax
jne 0x4429c3
mov esi, dword [ebp + 8]
xor edi, edi
jmp 0x4429ec
mov eax, dword [edi + 0x10]
mov edx, dword [eax + 0x48]
cmp edx, dword [eax + 0x44]
jb 0x4429d5
mov eax, edi
call fcn.00437940
mov eax, dword [edi + 0xc]
add eax, 0x10
mov esi, edi
cmp eax, dword [edi + 8]
jb 0x4429e7
mov eax, 0x4990f0
mov edi, dword [eax]
add edi, 0x10
mov eax, dword [esi + 8]
mov ecx, dword [esi + 0xc]
mov edx, eax
sub edx, ecx
and edx, 0xfffffff0
cmp edx, 0x20
jne 0x442b4f
add ecx, 0x10
cmp ecx, eax
jb 0x442a0e
mov ecx, 0x4990f0
mov edx, dword [ecx]
mov dword [eax], edx
mov edx, dword [ecx + 4]
mov dword [eax + 4], edx
mov ecx, dword [ecx + 8]
mov dword [eax + 8], ecx
add dword [esi + 8], 0x10
or ebx, 0xffffffff
mov eax, esi
call fcn.00422b30
push 0
push 0x8000080
push 3
push 0
push 3
push SysReAllocString
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
add dword [esi + 8], 0xfffffff0
mov ebx, eax
test ebx, ebx
je 0x442a54
cmp ebx, 0xffffffff
jne 0x442a74
cmp byte [edi], 0x7e
jne 0x442b4f
cmp byte [edi + 1], 0
je 0x442b4f
inc edi
mov ebx, edi
call fcn.00420b90
mov esi, dword [ebp + 8]
jmp 0x442a22
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp dword [ebp + 0xc], 0
mov dword [esp + 0x1c], eax
mov dword [esp + 0xc], 0
jne 0x442a9c
push eax
call fcn.0047062d
add esp, 4
mov edi, eax
jmp 0x442ac6
mov edi, eax
call fcn.004217d0
test eax, eax
jne 0x442aae
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, dword [ebp + 8]
mov eax, dword [edx + 8]
cmp dword [eax - 8], 7
mov esi, edx
jne 0x442ac4
mov edi, dword [eax - 0x10]
add edi, 0x18
jmp 0x442ac6
xor edi, edi
mov ecx, dword [esp + 0x1c]
push 0
lea eax, [esp + 0x10]
push eax
push ecx
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x442b26
cmp dword [ebp + 0xc], 0
jne 0x442b1c
mov eax, dword [esp + 0xc]
cmp eax, 2
jb 0x442b12
test al, 1
jne 0x442b12
cmp byte [edi], 0xff
jne 0x442b12
cmp byte [edi + 1], 0xfe
jne 0x442b12
shr eax, 1
push eax
push edi
call fcn.00420ae0
add esp, 8
mov dword [esp + 0xc], 1
jmp 0x442b2e
push eax
push edi
call fcn.00420aa0
add esp, 8
mov dword [esp + 0xc], 1
jmp 0x442b2e
mov dword [esp + 0xc], 0
cmp dword [ebp + 0xc], 0
jne 0x442b3d
push edi
call fcn.004705f3
add esp, 4
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esp + 0xc]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov edx, edi
mov ecx, esi
call fcn.00424690
mov dword [esp + 0x18], eax
jmp 0x442bb7
cmp eax, 3
jne 0x442b77
push 2
push esi
call fcn.004205f0
movzx edx, ax
add esp, 8
mov dword [esp + 0x18], edx
jmp 0x442bb7
mov edi, 2
cmp eax, edi
jne 0x442ba7
mov eax, dword [esi + 0xc]
add eax, 0x10
cmp eax, dword [esi + 8]
jb 0x442b90
mov eax, 0x4990f0
cmp dword [eax + 8], edi
jne 0x442b9d
mov eax, dword [eax]
mov dword [esp + 0x18], eax
jmp 0x442bb7
mov dword [esp + 0x18], 0
jmp 0x442bb7
push 0x49a078
call fcn.00423580
mov esi, dword [ebp + 8]
add esp, 4
mov ecx, dword [esi + 0xc]
add ecx, 0x30
xor eax, eax
cmp ecx, dword [esi + 8]
jae 0x442bde
cmp ecx, 0x4990f0
je 0x442bde
cmp dword [ecx + 8], eax
jle 0x442bde
push eax
push eax
push 4
push esi
call fcn.00425780
add esp, 0x10
mov ecx, dword [ebp + 0xc]
mov edx, dword [esp + 0x10]
push ecx
mov ecx, dword [esp + 0x1c]
push edx
push ecx
push esi
call fcn.00422780
add esp, 0x10
xor edx, edx
cmp edx, eax
pop edi
sbb eax, eax
pop esi
neg eax
pop ebx
mov esp, ebp
pop ebp
ret