Function at 0x481290
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x55440b
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 0x4812d2
push eax
call fcn.00525a06
add esp, 4
mov eax, dword [esi + 4]
test eax, eax
je 0x4812e2
push eax
call fcn.00525a06
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 0x4813e2
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 0x48135e
push 0x63
push str.Error_opening_file
jmp 0x4815c1
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x481559
cmp edi, 0x400000
ja 0x48156a
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 0x4813d9
mov edi, dword [ebp - 0x2c8]
push edi
call fcn.0050878e
add esp, 4
mov ecx, esi
call fcn.004817d0
push 0x63
push str.Could_not_read_file
jmp 0x4815c1
push dword [ebp + 0xc]
push edi
jmp 0x4815fa
call fcn.00458df0
test al, al
jne 0x4814d6
call fcn.00458b30
push eax
lea ecx, [ebp - 0x94]
call fcn.004528a0
call fcn.00458da0
test al, al
je 0x481410
call fcn.00458b40
jmp 0x481428
push 2
push 0
lea ecx, [ebp - 0x94]
call fcn.00452ea0
push eax
call fcn.0046fc00
add esp, 0xc
mov edi, eax
test edi, edi
je 0x481513
lea eax, [ebp - 0x2c4]
push eax
lea eax, [ebp - 0x2cc]
push eax
push 1
push ebx
push edi
call fcn.0046f510
add esp, 0x14
test eax, eax
jne 0x481546
mov ebx, dword [ebp - 0x98]
test ebx, ebx
je 0x481559
cmp ebx, 0x400000
ja 0x48156a
push ebx
call fcn.00508ab2
push 3
push ebx
push eax
push dword [ebp - 0x2cc]
mov dword [ebp - 0x2c8], eax
push edi
call fcn.00470090
add esp, 0x18
test eax, eax
je 0x4814be
cmp eax, 0x600
je 0x4814be
push dword [ebp - 0x2c8]
call fcn.0050878e
add esp, 4
call fcn.00458da0
test al, al
jne 0x4815ba
push edi
call fcn.0046f2f0
jmp 0x4815b7
call fcn.00458da0
test al, al
jne 0x4815f6
push edi
call fcn.0046f2f0
jmp 0x4815f3
call fcn.00458b30
push eax
lea ecx, [ebp - 0x94]
call fcn.004528a0
call fcn.00458da0
test al, al
je 0x4814f7
call fcn.00458b40
jmp 0x48150d
push 0
lea ecx, [ebp - 0x94]
call fcn.00452ea0
push eax
call fcn.004741c0
add esp, 8
mov edi, eax
test edi, edi
jne 0x48151f
push 0x63
push str.Error_opening_zip_file
jmp 0x4815c1
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.004739c0
add esp, 0x10
test eax, eax
je 0x48154f
push 0x63
push str.Could_not_find_ziped_file
jmp 0x4815c1
mov ebx, dword [ebp - 0x2d4]
test ebx, ebx
jne 0x481562
push 0x63
push str.File_is_empty
jmp 0x4815c1
cmp ebx, 0x400000
jbe 0x481573
push 0x63
push 0x563624
jmp 0x4815c1
push ebx
call fcn.00508ab2
push eax
push dword [ebp - 0x2cc]
mov dword [ebp - 0x2c8], eax
push edi
call fcn.00474330
add esp, 0x10
test eax, eax
je 0x4815e4
cmp eax, 0x600
je 0x4815e4
push dword [ebp - 0x2c8]
call fcn.0050878e
add esp, 4
call fcn.00458da0
test al, al
jne 0x4815ba
push edi
call fcn.004738d0
add esp, 4
push 0x63
push str.Could_not_unzip_file
lea eax, [esi + 0x10]
push eax
call fcn.00530f7a
push 0x31
lea eax, [esi + 0xd8]
push 0x58b674
push eax
call fcn.00530f7a
add esp, 0x18
xor bl, bl
jmp 0x481613
call fcn.00458da0
test al, al
jne 0x4815f6
push edi
call fcn.004738d0
add esp, 4
push dword [ebp + 0xc]
push ebx
mov edi, dword [ebp - 0x2c8]
mov ecx, esi
push edi
call fcn.00481640
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