Function at 0x44fb20
Capabilities:
Get file size
Read file on windows

Disassembly:
sub esp, 0x30
push ebx
push ebp
push esi
mov esi, dword [esp + 0x44]
test esi, esi
push edi
jne 0x44fb39
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x30
ret
push esi
call fcn.00452740
add esp, 4
test eax, eax
jne 0x44fb4e
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x30
ret
mov ebx, dword [esp + 0x5c]
test ebx, ebx
je 0x44fb68
mov eax, dword [esp + 0x54]
test eax, eax
jg 0x44fb68
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x30
ret
mov eax, dword [esi]
mov dword [esp + 0x10], 0
cmp eax, 1
jne 0x44fd92
mov ebp, dword [esi + 4]
mov edi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push eax
push 0
push 0
push ebp
call edi
mov esi, eax
cmp esi, 0xffffffff
mov dword [esp + 0x1c], esi
jne 0x44fbaa
push 2
push 0
push 0
push ebp
call edi
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x30
ret
xor edi, edi
cmp ebx, edi
jne 0x44fbc2
push edi
push ebp
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov ebx, eax
sub ebx, esi
mov dword [esp + 0x14], ebx
jmp 0x44fbcc
mov eax, dword [esp + 0x54]
mov dword [esp + 0x14], eax
mov ebx, eax
mov cl, byte [esp + 0x48]
xor eax, eax
test ebx, ebx
mov byte [esp + 0x30], cl
mov dword [esp + 0x34], edi
mov dword [esp + 0x38], eax
mov dword [esp + 0x3c], edi
mov dword [esp + 0x48], edi
mov dword [esp + 0x24], eax
jle 0x44fd34
mov esi, ebx
mov dword [esp + 0x48], esi
jmp 0x44fbfe
mov esi, dword [esp + 0x48]
push 0x1000
call fcn.00453b5e
add esp, 4
cmp esi, 0x1000
mov dword [esp + 0x28], eax
mov ecx, esi
jl 0x44fc1e
mov ecx, 0x1000
lea edx, [esp + 0x18]
push 0
push edx
push ecx
push eax
push ebp
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x44fd6f
mov edx, dword [esp + 0x18]
xor esi, esi
xor eax, eax
test edx, edx
jbe 0x44fc71
mov ebx, dword [esp + 0x28]
mov cl, byte [eax + ebx]
test cl, cl
je 0x44fc59
cmp cl, 0x1a
je 0x44fc59
inc eax
cmp eax, edx
jb 0x44fc46
jmp 0x44fc6d
mov edx, eax
mov eax, dword [esp + 0x1c]
inc eax
mov dword [esp + 0x18], edx
mov dword [esp + 0x1c], eax
mov esi, 1
mov ebx, dword [esp + 0x14]
mov ecx, dword [esp + 0x38]
lea eax, [esp + 0x28]
push eax
push 1
push ecx
lea ecx, [esp + 0x3c]
mov dword [esp + 0x38], edx
add edi, edx
call fcn.00450080
test esi, esi
jne 0x44fcb9
mov eax, dword [esp + 0x18]
mov ecx, 0x1000
cmp eax, ecx
jne 0x44fcb9
mov eax, dword [esp + 0x24]
mov edx, dword [esp + 0x48]
add eax, ecx
sub edx, ecx
cmp eax, ebx
mov dword [esp + 0x24], eax
mov dword [esp + 0x48], edx
jl 0x44fbfa
mov dword [esp + 0x48], edi
test edi, edi
jle 0x44fd30
lea eax, [edi + 1]
push eax
call fcn.0044b8d0
mov ecx, dword [esp + 0x20]
add esp, 4
mov ebx, eax
push 0
lea edx, [edi + ecx]
push 0
push edx
push ebp
mov dword [esp + 0x20], ebx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ebp, dword [esp + 0x34]
mov eax, dword [esp + 0x38]
cmp ebp, eax
je 0x44fd2c
mov ecx, dword [ebp + 4]
mov esi, dword [ebp]
mov eax, ecx
mov edi, ebx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [ebp]
mov edi, dword [ebp + 4]
push ecx
add ebx, edi
call fcn.00453893
mov eax, dword [esp + 0x3c]
add ebp, 8
add esp, 4
cmp ebp, eax
jne 0x44fcf2
mov ebx, dword [esp + 0x10]
mov edi, dword [esp + 0x48]
mov byte [edi + ebx], 0
mov eax, dword [esp + 0x38]
mov ecx, dword [esp + 0x34]
cmp eax, eax
mov edx, eax
je 0x44fd52
mov esi, dword [eax]
add eax, 8
mov dword [ecx], esi
mov esi, dword [eax - 4]
mov dword [ecx + 4], esi
add ecx, 8
cmp eax, edx
jne 0x44fd3e
mov edx, dword [esp + 0x34]
mov dword [esp + 0x38], ecx
push edx
call fcn.0045eb09
mov eax, dword [esp + 0x14]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x30
ret
push 2
push 0
push 0
push ebp
mov dword [esp + 0x58], edi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov edx, dword [esp + 0x28]
push edx
call fcn.00453893
add esp, 4
jmp 0x44fcbd
cmp eax, 2
jne 0x44fe1d
mov edi, dword [esi + 4]
mov ecx, edi
mov eax, dword [edi]
call dword [eax + 0x14]
test ebx, ebx
mov ebp, eax
jne 0x44fdb0
or eax, 0xffffffff
jmp 0x44fdb4
mov eax, dword [esp + 0x54]
mov edx, dword [edi]
lea ecx, [esp + 0x20]
push ecx
lea ecx, [esp + 0x28]
push ecx
push eax
push 0
mov ecx, edi
call dword [edx + 0x30]
mov ecx, dword [esp + 0x24]
xor esi, esi
test eax, eax
jle 0x44fde3
mov dl, byte [ecx]
test dl, dl
je 0x44fde3
cmp dl, 0x1a
je 0x44fde3
inc esi
inc ecx
cmp esi, eax
jl 0x44fdd2
lea edx, [esi + 1]
push edx
call fcn.0044b8d0
add esp, 4
lea ecx, [esi + ebp]
mov ebx, eax
mov eax, dword [edi]
push 0
push ecx
mov ecx, edi
mov dword [esp + 0x18], ebx
call dword [eax + 0x18]
mov edx, dword [esp + 0x24]
push esi
push edx
push ebx
call fcn.00453a60
mov byte [esi + ebx], 0
mov esi, dword [esp + 0x54]
mov ebx, dword [esp + 0x68]
add esp, 0xc
cmp dword [esi], 3
jne 0x450044
mov edi, dword [esi + 4]
mov esi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 1
push 0
push 0
push edi
call esi
mov ebp, eax
cmp ebp, 0xffffffff
mov dword [esp + 0x24], ebp
jne 0x44fe56
push 2
push 0
push 0
push edi
call esi
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x30
ret
test ebx, ebx
jne 0x44fe6c
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov ebx, eax
sub ebx, ebp
mov dword [esp + 0x20], ebx
jmp 0x44fe76
mov eax, dword [esp + 0x54]
mov dword [esp + 0x20], eax
mov ebx, eax
mov cl, byte [esp + 0x48]
xor ebp, ebp
xor eax, eax
mov dword [esp + 0x14], ebp
test ebx, ebx
mov byte [esp + 0x30], cl
mov dword [esp + 0x34], eax
mov dword [esp + 0x38], eax
mov dword [esp + 0x3c], eax
mov dword [esp + 0x14], ebp
jle 0x450015
mov dword [esp + 0x1c], ebx
jmp 0x44feae
mov esi, dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ebx, dword [esp + 0x1c]
push 0x1000
call fcn.00453b5e
add esp, 4
mov dword [esp + 0x28], eax
push 1
push 0
push 0
push edi
call esi
mov esi, eax
cmp ebx, 0x1000
mov eax, ebx
jl 0x44fed9
mov eax, 0x1000
lea edx, [esp + 0x18]
push 0
push edx
push eax
mov eax, dword [esp + 0x34]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x450050
mov eax, dword [esp + 0x48]
xor ebx, ebx
mov edx, dword [eax + 0xc]
lea ecx, [eax + 0x10]
push ecx
mov ecx, dword [esp + 0x2c]
add eax, 0x34
push edx
push eax
mov eax, dword [esp + 0x24]
push eax
push ecx
push esi
call fcn.00451e50
mov edx, dword [esp + 0x30]
add esp, 0x18
xor eax, eax
test edx, edx
jbe 0x44ff4f
mov esi, dword [esp + 0x28]
mov cl, byte [eax + esi]
test cl, cl
je 0x44ff3b
cmp cl, 0x1a
je 0x44ff3b
inc eax
cmp eax, edx
jb 0x44ff28
jmp 0x44ff4f
mov edx, eax
mov eax, dword [esp + 0x24]
inc eax
mov dword [esp + 0x18], edx
mov dword [esp + 0x24], eax
mov ebx, 1
mov eax, dword [esp + 0x38]
mov dword [esp + 0x2c], edx
add ebp, edx
lea edx, [esp + 0x28]
push edx
push 1
push eax
lea ecx, [esp + 0x3c]
call fcn.00450080
test ebx, ebx
jne 0x44ff9b
mov eax, dword [esp + 0x18]
mov ecx, 0x1000
cmp eax, ecx
jne 0x44ff9b
mov eax, dword [esp + 0x14]
mov edx, dword [esp + 0x1c]
add eax, ecx
sub edx, ecx
mov ecx, dword [esp + 0x20]
mov dword [esp + 0x14], eax
cmp eax, ecx
mov dword [esp + 0x1c], edx
jl 0x44fea4
mov dword [esp + 0x14], ebp
test ebp, ebp
jle 0x450011
lea edx, [ebp + 1]
push edx
call fcn.0044b8d0
add esp, 4
mov ebx, eax
mov eax, dword [esp + 0x24]
mov dword [esp + 0x10], ebx
push 0
add ebp, eax
push 0
push ebp
push edi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ebp, dword [esp + 0x34]
mov eax, dword [esp + 0x38]
cmp ebp, eax
je 0x450009
mov ecx, dword [ebp + 4]
mov esi, dword [ebp]
mov edx, ecx
mov edi, ebx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov eax, dword [ebp]
mov edi, dword [ebp + 4]
push eax
add ebx, edi
call fcn.00453893
mov eax, dword [esp + 0x3c]
add ebp, 8
add esp, 4
cmp ebp, eax
jne 0x44ffd3
mov ebx, dword [esp + 0x10]
mov ecx, dword [esp + 0x14]
mov byte [ecx + ebx], 0
mov eax, dword [esp + 0x38]
mov ecx, dword [esp + 0x34]
cmp eax, eax
mov edx, eax
je 0x450033
mov esi, dword [eax]
add eax, 8
mov dword [ecx], esi
mov esi, dword [eax - 4]
mov dword [ecx + 4], esi
add ecx, 8
cmp eax, edx
jne 0x45001f
mov edx, dword [esp + 0x34]
mov dword [esp + 0x38], ecx
push edx
call fcn.0045eb09
add esp, 4
mov eax, dword [esp + 0x10]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x30
ret
push 2
push 0
push 0
push edi
mov dword [esp + 0x24], ebp
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ecx, dword [esp + 0x28]
push ecx
call fcn.00453893
add esp, 4
jmp 0x44ff9f