Function at 0x481bc0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x554e7b
mov eax, dword fs:[0]
push eax
sub esp, 0x2c8
mov eax, dword [0x5a9464]
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 0x481c02
push eax
call fcn.0052631b
add esp, 4
mov eax, dword [esi + 4]
test eax, eax
je 0x481c12
push eax
call fcn.0052631b
add esp, 4
mov dword [esi], 0
mov dword [esi + 4], 0
call fcn.004594c0
push eax
lea ecx, [ebp - 0x94]
call fcn.00452de0
mov dword [ebp - 4], 0
call fcn.004594d0
mov ecx, eax
call fcn.00453a20
test al, al
je 0x481d12
push ebx
lea ecx, [ebp - 0x94]
call fcn.004531f0
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
lea ecx, [ebp - 0x94]
call fcn.004537d0
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x481c8e
push 0x63
push str.Error_opening_file
jmp 0x481ef1
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x481e89
cmp edi, 0x400000
ja 0x481e9a
push edi
mov dword [ebp - 0x2cc], 0
call fcn.005093a4
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 0x481d09
mov edi, dword [ebp - 0x2c8]
push edi
call fcn.00509080
add esp, 4
mov ecx, esi
call fcn.00482100
push 0x63
push str.Could_not_read_file
jmp 0x481ef1
push dword [ebp + 0xc]
push edi
jmp 0x481f2a
call fcn.00459790
test al, al
jne 0x481e06
call fcn.004594d0
push eax
lea ecx, [ebp - 0x94]
call fcn.004531d0
call fcn.00459740
test al, al
je 0x481d40
call fcn.004594e0
jmp 0x481d58
push 2
push 0
lea ecx, [ebp - 0x94]
call fcn.004537d0
push eax
call fcn.00470530
add esp, 0xc
mov edi, eax
test edi, edi
je 0x481e43
lea eax, [ebp - 0x2c4]
push eax
lea eax, [ebp - 0x2cc]
push eax
push 1
push ebx
push edi
call fcn.0046fe40
add esp, 0x14
test eax, eax
jne 0x481e76
mov ebx, dword [ebp - 0x98]
test ebx, ebx
je 0x481e89
cmp ebx, 0x400000
ja 0x481e9a
push ebx
call fcn.005093a4
push 3
push ebx
push eax
push dword [ebp - 0x2cc]
mov dword [ebp - 0x2c8], eax
push edi
call fcn.004709c0
add esp, 0x18
test eax, eax
je 0x481dee
cmp eax, 0x600
je 0x481dee
push dword [ebp - 0x2c8]
call fcn.00509080
add esp, 4
call fcn.00459740
test al, al
jne 0x481eea
push edi
call fcn.0046fc20
jmp 0x481ee7
call fcn.00459740
test al, al
jne 0x481f26
push edi
call fcn.0046fc20
jmp 0x481f23
call fcn.004594d0
push eax
lea ecx, [ebp - 0x94]
call fcn.004531d0
call fcn.00459740
test al, al
je 0x481e27
call fcn.004594e0
jmp 0x481e3d
push 0
lea ecx, [ebp - 0x94]
call fcn.004537d0
push eax
call fcn.00474ae0
add esp, 8
mov edi, eax
test edi, edi
jne 0x481e4f
push 0x63
push str.Error_opening_zip_file
jmp 0x481ef1
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.004742e0
add esp, 0x10
test eax, eax
je 0x481e7f
push 0x63
push str.Could_not_find_ziped_file
jmp 0x481ef1
mov ebx, dword [ebp - 0x2d4]
test ebx, ebx
jne 0x481e92
push 0x63
push str.File_is_empty
jmp 0x481ef1
cmp ebx, 0x400000
jbe 0x481ea3
push 0x63
push 0x564624
jmp 0x481ef1
push ebx
call fcn.005093a4
push eax
push dword [ebp - 0x2cc]
mov dword [ebp - 0x2c8], eax
push edi
call fcn.00474c50
add esp, 0x10
test eax, eax
je 0x481f14
cmp eax, 0x600
je 0x481f14
push dword [ebp - 0x2c8]
call fcn.00509080
add esp, 4
call fcn.00459740
test al, al
jne 0x481eea
push edi
call fcn.004741f0
add esp, 4
push 0x63
push str.Could_not_unzip_file
lea eax, [esi + 0x10]
push eax
call fcn.005318a7
push 0x31
lea eax, [esi + 0xd8]
push 0x58c674
push eax
call fcn.005318a7
add esp, 0x18
xor bl, bl
jmp 0x481f43
call fcn.00459740
test al, al
jne 0x481f26
push edi
call fcn.004741f0
add esp, 4
push dword [ebp + 0xc]
push ebx
mov edi, dword [ebp - 0x2c8]
mov ecx, esi
push edi
call fcn.00481f70
push edi
mov bl, al
call fcn.00509080
add esp, 4
lea ecx, [ebp - 0x94]
call fcn.00452f30
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.00508d84
mov esp, ebp
pop ebp
ret 8