Function at 0x45bd70
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4e4889
mov eax, dword fs:[0]
push eax
sub esp, 0x3dc
mov eax, dword [0x524a60]
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 edi, ecx
mov eax, dword [ebp + 8]
mov dword [ebp - 0x3d4], eax
mov eax, dword [edi]
test eax, eax
je 0x45bdb8
push eax
call fcn.004b3fc9
add esp, 4
mov eax, dword [edi + 4]
test eax, eax
je 0x45bdc8
push eax
call fcn.004b3fc9
add esp, 4
mov dword [edi], 0
mov dword [edi + 4], 0
call fcn.00449d50
mov ecx, eax
call fcn.00447a40
test al, al
je 0x45bfd5
or ebx, 0xffffffff
call fcn.00449e00
push eax
lea ecx, [ebp - 0x2bc]
call fcn.00446a50
mov dword [ebp - 4], 0
call fcn.00449d40
push eax
lea ecx, [ebp - 0x238]
call fcn.00446a50
mov dword [ebp - 4], 1
lea esi, [ebp - 0x2bc]
push esi
lea ecx, [ebp - 0x1b4]
call fcn.00446a50
lea ecx, [ebp - 0x1b4]
mov byte [ebp - 4], 2
call fcn.00447a40
test al, al
jne 0x45be7d
push dword [ebp - 0x3d4]
lea ecx, [ebp - 0x1b4]
call fcn.00447070
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocStringLen
lea ecx, [ebp - 0x1b4]
call fcn.00418f80
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x45be9e
lea ecx, [ebp - 0x1b4]
mov byte [ebp - 4], 1
call fcn.00433500
add esi, 0x84
lea eax, [ebp - 0x1b4]
cmp esi, eax
jne 0x45be22
jmp 0x45bea9
lea ecx, [ebp - 0x1b4]
call fcn.00433500
push fcn.00433500
push 2
push 0x84
lea eax, [ebp - 0x2bc]
mov dword [ebp - 4], 0xffffffff
push eax
call fcn.004a11b2
cmp ebx, 0xffffffff
jne 0x45befa
push 0x63
push str.Error_opening_file
lea eax, [edi + 0x10]
push eax
call fcn.004b7e14
push 0x31
lea eax, [edi + 0xd8]
push 0x4e8ad8
push eax
call fcn.004b7e14
add esp, 0x18
xor al, al
jmp 0x45c295
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x3d4], eax
test eax, eax
jne 0x45bf16
push 0x63
push str.File_is_empty
jmp 0x45bed4
cmp eax, 0x400000
jbe 0x45bf26
push 0x63
push str.File_too_large
jmp 0x45bed4
lea esi, [eax + 8]
mov dword [ebp - 0x3d8], 0
push esi
call fcn.004a1b70
push esi
push 0
push eax
mov dword [ebp - 0x3d0], eax
call fcn.004b1030
mov esi, dword [ebp - 0x3d4]
lea eax, [ebp - 0x3d8]
add esp, 0x10
push 0
push eax
push esi
push dword [ebp - 0x3d0]
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x3d8], esi
je 0x45bfbd
push dword [ebp - 0x3d0]
call fcn.004a1967
mov eax, dword [edi]
add esp, 4
test eax, eax
je 0x45bf94
push eax
call fcn.004b3fc9
add esp, 4
mov eax, dword [edi + 4]
test eax, eax
je 0x45bfa4
push eax
call fcn.004b3fc9
add esp, 4
push 0x63
mov dword [edi], 0
mov dword [edi + 4], 0
push str.Could_not_read_file
jmp 0x45bed4
push dword [ebp + 0xc]
mov ecx, edi
push esi
mov esi, dword [ebp - 0x3d0]
push esi
call fcn.0045c2c0
push esi
jmp 0x45c289
mov dword [ebp - 0x3d0], 0
mov dword [ebp - 0x3dc], 0
call fcn.00449f20
test al, al
je 0x45c17e
mov dword [ebp - 0x3d8], 0xffffffff
call fcn.00449e20
mov dword [ebp - 0x3e8], eax
call fcn.00449d60
mov dword [ebp - 0x3e4], eax
lea esi, [ebp - 0x3e8]
nop dword [eax]
mov ebx, dword [esi]
test ebx, ebx
je 0x45c10c
push 0x218
lea eax, [ebp - 0x3cc]
push 0
push eax
call fcn.004b1030
mov edx, dword [ebp - 0x3d4]
add esp, 0xc
mov ecx, edx
mov dword [ebp - 0x120], 0
xor eax, eax
mov dword [ebp - 0x11c], 7
mov word [ebp - 0x130], ax
lea eax, [ecx + 2]
mov dword [ebp - 0x3e0], eax
nop
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x45c070
sub ecx, dword [ebp - 0x3e0]
sar ecx, 1
push ecx
push edx
lea ecx, [ebp - 0x130]
call fcn.004061e0
lea eax, [ebp - 0x3cc]
mov dword [ebp - 4], 3
push eax
lea eax, [ebp - 0x3d8]
push eax
lea eax, [ebp - 0x130]
push eax
push ebx
call fcn.004ac7e0
mov edx, dword [ebp - 0x11c]
add esp, 0x10
mov dword [ebp - 0x3e0], eax
mov dword [ebp - 4], 0xffffffff
cmp edx, 8
jb 0x45c108
mov ecx, dword [ebp - 0x130]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x45c0f8
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x45c2b3
push edx
push ecx
call fcn.004a12e0
mov eax, dword [ebp - 0x3e0]
add esp, 8
test eax, eax
jne 0x45c129
add esi, 4
lea eax, [ebp - 0x3e0]
cmp esi, eax
jne 0x45c020
push 0x63
push str.Error_opening_zip_file
jmp 0x45bed4
mov eax, dword [ebp - 0x1b8]
mov dword [ebp - 0x3dc], eax
test eax, eax
je 0x45bf0d
cmp eax, 0x400000
ja 0x45bf1d
push eax
call fcn.004a1b70
push dword [ebp - 0x3dc]
mov dword [ebp - 0x3d0], eax
push eax
push dword [ebp - 0x3d8]
push ebx
call fcn.004ac530
add esp, 0x14
test eax, eax
jne 0x45c26d
push 0x63
push str.Could_not_unzip_file
jmp 0x45bed4
mov ebx, 0x80004005
call fcn.00449e10
push eax
lea eax, [ebp - 0x118]
push eax
call fcn.00449e00
mov ecx, eax
call fcn.00446f40
mov dword [ebp - 4], 4
call fcn.00449d50
push eax
lea eax, [ebp - 0x94]
push eax
call fcn.00449d40
mov ecx, eax
call fcn.00446f40
mov dword [ebp - 4], 5
lea esi, [ebp - 0x118]
nop dword [eax]
push esi
lea ecx, [ebp - 0x1b4]
call fcn.00446a50
lea ecx, [ebp - 0x1b4]
mov byte [ebp - 4], 6
call fcn.00447a40
test al, al
jne 0x45c21d
lea eax, [ebp - 0x3dc]
push eax
lea eax, [ebp - 0x3d0]
push eax
push dword [ebp - 0x3d4]
lea ecx, [ebp - 0x1b4]
call fcn.00418f80
push eax
call fcn.004aca00
mov ebx, eax
add esp, 0x10
test ebx, ebx
jns 0x45c23b
lea ecx, [ebp - 0x1b4]
mov byte [ebp - 4], 5
call fcn.00433500
add esi, 0x84
lea eax, [ebp - 0x10]
cmp esi, eax
jne 0x45c1d0
jmp 0x45c246
lea ecx, [ebp - 0x1b4]
call fcn.00433500
push fcn.00433500
push 2
push 0x84
lea eax, [ebp - 0x118]
mov dword [ebp - 4], 0xffffffff
push eax
call fcn.004a11b2
test ebx, ebx
js 0x45c172
push dword [ebp + 0xc]
mov ecx, edi
push dword [ebp - 0x3dc]
push dword [ebp - 0x3d0]
call fcn.0045c2c0
push dword [ebp - 0x3d0]
mov bl, al
call fcn.004a1967
mov al, bl
add esp, 4
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.004a1588
mov esp, ebp
pop ebp
ret 8
call fcn.004b3f79
int3