Function at 0x481260
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5543eb
mov eax, dword fs:[0]
push eax
sub esp, 0x2c8
mov eax, dword [0x5a7464]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov eax, dword [esi]
mov ebx, dword [ebp + 8]
test eax, eax
je 0x4812a2
push eax
call fcn.005259db
add esp, 4
mov eax, dword [esi + 4]
test eax, eax
je 0x4812b2
push eax
call fcn.005259db
add esp, 4
mov dword [esi], 0
mov dword [esi + 4], 0
call fcn.00458b20
push eax
lea ecx, [ebp - 0x94]
call fcn.004524b0
mov dword [ebp - 4], 0
call fcn.00458b30
mov ecx, eax
call fcn.004530f0
test al, al
je 0x4813b2
push ebx
lea ecx, [ebp - 0x94]
call fcn.004528c0
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
lea ecx, [ebp - 0x94]
call fcn.00452ea0
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x48132e
push 0x63
push str.Error_opening_file
jmp 0x481591
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x481529
cmp edi, 0x400000
ja 0x48153a
push edi
mov dword [ebp - 0x2cc], 0
call fcn.00508ab2
add esp, 4
mov dword [ebp - 0x2c8], eax
lea ecx, [ebp - 0x2cc]
push 0
push ecx
push edi
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x2cc], edi
je 0x4813a9
mov edi, dword [ebp - 0x2c8]
push edi
call fcn.0050878e
add esp, 4
mov ecx, esi
call fcn.004817a0
push 0x63
push str.Could_not_read_file
jmp 0x481591
push dword [ebp + 0xc]
push edi
jmp 0x4815ca
call fcn.00458df0
test al, al
jne 0x4814a6
call fcn.00458b30
push eax
lea ecx, [ebp - 0x94]
call fcn.004528a0
call fcn.00458da0
test al, al
je 0x4813e0
call fcn.00458b40
jmp 0x4813f8
push 2
push 0
lea ecx, [ebp - 0x94]
call fcn.00452ea0
push eax
call fcn.0046fbd0
add esp, 0xc
mov edi, eax
test edi, edi
je 0x4814e3
lea eax, [ebp - 0x2c4]
push eax
lea eax, [ebp - 0x2cc]
push eax
push 1
push ebx
push edi
call fcn.0046f4e0
add esp, 0x14
test eax, eax
jne 0x481516
mov ebx, dword [ebp - 0x98]
test ebx, ebx
je 0x481529
cmp ebx, 0x400000
ja 0x48153a
push ebx
call fcn.00508ab2
push 3
push ebx
push eax
push dword [ebp - 0x2cc]
mov dword [ebp - 0x2c8], eax
push edi
call fcn.00470060
add esp, 0x18
test eax, eax
je 0x48148e
cmp eax, 0x600
je 0x48148e
push dword [ebp - 0x2c8]
call fcn.0050878e
add esp, 4
call fcn.00458da0
test al, al
jne 0x48158a
push edi
call fcn.0046f2c0
jmp 0x481587
call fcn.00458da0
test al, al
jne 0x4815c6
push edi
call fcn.0046f2c0
jmp 0x4815c3
call fcn.00458b30
push eax
lea ecx, [ebp - 0x94]
call fcn.004528a0
call fcn.00458da0
test al, al
je 0x4814c7
call fcn.00458b40
jmp 0x4814dd
push 0
lea ecx, [ebp - 0x94]
call fcn.00452ea0
push eax
call fcn.00474190
add esp, 8
mov edi, eax
test edi, edi
jne 0x4814ef
push 0x63
push str.Error_opening_zip_file
jmp 0x481591
lea eax, [ebp - 0x2d4]
xorps xmm0, xmm0
push eax
lea eax, [ebp - 0x2cc]
movlpd qword [ebp - 0x2d4], xmm0
push eax
push ebx
push edi
call fcn.00473990
add esp, 0x10
test eax, eax
je 0x48151f
push 0x63
push str.Could_not_find_ziped_file
jmp 0x481591
mov ebx, dword [ebp - 0x2d4]
test ebx, ebx
jne 0x481532
push 0x63
push str.File_is_empty
jmp 0x481591
cmp ebx, 0x400000
jbe 0x481543
push 0x63
push 0x563624
jmp 0x481591
push ebx
call fcn.00508ab2
push eax
push dword [ebp - 0x2cc]
mov dword [ebp - 0x2c8], eax
push edi
call fcn.00474300
add esp, 0x10
test eax, eax
je 0x4815b4
cmp eax, 0x600
je 0x4815b4
push dword [ebp - 0x2c8]
call fcn.0050878e
add esp, 4
call fcn.00458da0
test al, al
jne 0x48158a
push edi
call fcn.004738a0
add esp, 4
push 0x63
push str.Could_not_unzip_file
lea eax, [esi + 0x10]
push eax
call fcn.00530f67
push 0x31
lea eax, [esi + 0xd8]
push 0x58b674
push eax
call fcn.00530f67
add esp, 0x18
xor bl, bl
jmp 0x4815e3
call fcn.00458da0
test al, al
jne 0x4815c6
push edi
call fcn.004738a0
add esp, 4
push dword [ebp + 0xc]
push ebx
mov edi, dword [ebp - 0x2c8]
mov ecx, esi
push edi
call fcn.00481610
push edi
mov bl, al
call fcn.0050878e
add esp, 4
lea ecx, [ebp - 0x94]
call fcn.00452600
mov al, bl
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00508494
mov esp, ebp
pop ebp
ret 8