Function at 0x570639
Capabilities:
Get file size
Read file on windows

Disassembly:
push ecx
push ecx
push ebx
push ebp
push esi
push edi
push dword [0x6fce2c]
xor ebp, ebp
call fcn.00585cb1
mov ebx, eax
call fcn.00570b5f
cmp dword [esp + 0x1c], ebp
mov esi, 0x675268
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
cmovne esi, dword [esp + 0x1c]
xor eax, eax
push eax
push pe_nt_image_headers32
push 3
push eax
push 1
push 0xc0000000
push esi
mov dword [ebx + 0xc], eax
call edi
mov dword [ebx], eax
cmp eax, 0xffffffff
jne 0x5706c5
push ebp
push pe_nt_image_headers32
push 3
push ebp
push 1
push closesocket
push esi
call edi
mov dword [ebx], eax
cmp eax, 0xffffffff
jne 0x5706b5
push ebp
push pe_nt_image_headers32
push 3
push ebp
push 3
push closesocket
push esi
call edi
mov dword [ebx], eax
mov dword [ebx + 0xc], 1
cmp eax, 0xffffffff
je 0x570985
push 0
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
xor ecx, ecx
cmp dword [esp + 0x24], 2
mov eax, 0xfde9
cmovne eax, ecx
mov dword [ebx + 0x18], eax
mov eax, dword [esp + 0x20]
mov esi, dword [sym.imp.KERNEL32.dll_ReadFile]
mov dword [ebx + 0x2c], eax
cmp edi, 3
jl 0x570736
push ecx
lea eax, [esp + 0x18]
push eax
push 3
lea eax, [esp + 0x1c]
push eax
push dword [ebx]
call esi
cmp dword [esp + 0x14], 3
jne 0x5707ef
push 3
lea eax, [esp + 0x14]
push 0x68ca9c
push eax
call fcn.005424f1
add esp, 0xc
test eax, eax
jne 0x5707ef
mov dword [ebx + 0x18], 0xfde9
sub edi, 3
test edi, edi
jle 0x57081f
lea eax, [edi + 2]
xor ecx, ecx
push eax
push ecx
push dword [0x6f9e98]
cmp dword [ebx + 0x18], ecx
jne 0x570801
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov esi, eax
mov dword [esp + 0x1c], esi
test esi, esi
je 0x57081f
lea eax, [edi*4 + 2]
push eax
push 0
push dword [0x6f9e98]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 0x10], eax
test eax, eax
je 0x57081f
push 0
lea eax, [esp + 0x18]
push eax
push edi
push esi
push dword [ebx]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, dword [esp + 0x14]
push esi
mov byte [esi + eax], 0
call fcn.0063b860
mov edi, eax
push edi
call fcn.0063b990
mov esi, eax
push esi
push dword [ebx + 0x10]
call fcn.00652440
pop ecx
pop ecx
push esi
call fcn.0063b980
push edi
call fcn.0063baf0
push dword [ebx + 0x10]
call fcn.00652540
pop ecx
push dword [esp + 0x1c]
mov dword [ebx + 0x18], 0xfde9
mov edi, eax
push 0
push dword [0x6f9e98]
call dword [sym.imp.KERNEL32.dll_HeapFree]
jmp 0x57081f
xor eax, eax
push eax
push eax
push eax
push dword [ebx]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
jmp 0x57073e
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 0x10], eax
test eax, eax
je 0x57081f
push 0
lea ecx, [esp + 0x18]
push ecx
push edi
push eax
push dword [ebx]
call esi
mov edi, dword [esp + 0x14]
mov eax, dword [ebx + 0x10]
test eax, eax
je 0x5709c2
xor ecx, ecx
mov word [eax + edi], cx
mov esi, dword [ebx + 0x10]
lea eax, [esi + edi]
mov dword [ebx + 0x14], eax
cmp esi, eax
jae 0x5709c2
push 0x10
pop edi
mov al, byte [esi]
cmp al, 0x20
je 0x57084e
cmp al, 9
jne 0x570851
inc esi
jmp 0x570844
cmp al, 0x3b
jne 0x57089f
inc esi
cmp byte [esi], 0x20
jne 0x57085c
inc esi
push edi
test ebp, ebp
je 0x570869
push ebp
call fcn.005865fc
jmp 0x570872
lea eax, [ebx + 0x1c]
push eax
call fcn.005865b0
lea ebp, [eax - 8]
pop ecx
pop ecx
mov dword [ebp + 8], 2
mov dword [ebp + 0xc], esi
jmp 0x570894
cmp al, 0xa
je 0x57096c
cmp al, 0xd
je 0x57096c
inc esi
mov al, byte [esi]
test al, al
jne 0x570883
jmp 0x57096c
cmp al, 0x5b
jne 0x570906
inc esi
push edi
test ebp, ebp
je 0x5708b1
push ebp
call fcn.005865fc
jmp 0x5708ba
lea eax, [ebx + 0x1c]
push eax
call fcn.005865b0
lea ebp, [eax - 8]
mov dword [ebp + 8], 1
mov dword [ebp + 0xc], esi
mov al, byte [esi]
pop ecx
pop ecx
test al, al
je 0x5708eb
mov cl, al
mov al, cl
cmp cl, 0x5d
je 0x5708eb
cmp cl, 0xa
je 0x5708eb
cmp cl, 0xd
je 0x5708eb
inc esi
mov al, byte [esi]
mov cl, al
test al, al
jne 0x5708d1
mov byte [esi], 0
inc esi
cmp al, 0x5d
jne 0x570970
jmp 0x5708fe
cmp al, 0xa
je 0x570970
cmp al, 0xd
je 0x570970
inc esi
mov al, byte [esi]
test al, al
jne 0x5708f5
jmp 0x570970
cmp al, 0xa
je 0x570970
cmp al, 0xd
je 0x570970
mov edx, esi
jmp 0x570921
cmp al, 0x3d
je 0x570925
cmp al, 0xd
je 0x570925
cmp al, 0xa
je 0x570925
inc esi
mov al, byte [esi]
test al, al
jne 0x570912
lea eax, [esi - 1]
jmp 0x570937
mov cl, byte [eax]
cmp cl, 0x20
je 0x570936
cmp cl, 9
jne 0x57093b
dec eax
cmp eax, edx
ja 0x57092a
mov byte [eax + 1], 0
inc esi
mov al, byte [esi]
cmp al, 0x20
je 0x57093f
cmp al, 9
je 0x57093f
push esi
push edx
lea eax, [ebx + 0x1c]
push ebp
push eax
call fcn.005709dd
add esp, 0x10
mov ebp, eax
jmp 0x570966
cmp al, 0xa
je 0x57096c
cmp al, 0xd
je 0x57096c
inc esi
mov al, byte [esi]
test al, al
jne 0x57095d
mov byte [esi], 0
inc esi
mov al, byte [esi]
cmp al, 0xa
je 0x57096f
cmp al, 0xd
je 0x57096f
cmp esi, dword [ebx + 0x14]
jb 0x570844
jmp 0x5709c2
mov eax, dword [esp + 0x20]
and dword [ebx], ebp
push esi
mov dword [ebx + 0x2c], eax
mov dword [ebx + 0x18], 0xfde9
call fcn.005369db
pop ecx
lea eax, [eax*2 + 2]
push eax
push 0
push dword [0x6f9e98]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [ebx + 4], eax
test eax, eax
je 0x5709c2
push esi
push eax
call fcn.00651fc6
pop ecx
pop ecx
mov eax, dword [ebx]
pop edi
pop esi
pop ebp
pop ebx
pop ecx
pop ecx
ret 0xc