Function at 0x4549e0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x50ba29
mov eax, dword fs:[0]
push eax
sub esp, 0x3dc
mov eax, dword [0x556754]
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 0x454a28
push eax
call fcn.004d8a7a
add esp, 4
mov eax, dword [edi + 4]
test eax, eax
je 0x454a38
push eax
call fcn.004d8a7a
add esp, 4
mov dword [edi], 0
mov dword [edi + 4], 0
call fcn.0043e7b0
mov ecx, eax
call fcn.0043c400
test al, al
je 0x454c45
or ebx, 0xffffffff
call fcn.0043e860
push eax
lea ecx, [ebp - 0x2bc]
call fcn.0043b440
mov dword [ebp - 4], 0
call fcn.0043e7a0
push eax
lea ecx, [ebp - 0x238]
call fcn.0043b440
mov dword [ebp - 4], 1
lea esi, [ebp - 0x2bc]
push esi
lea ecx, [ebp - 0x1b4]
call fcn.0043b440
lea ecx, [ebp - 0x1b4]
mov byte [ebp - 4], 2
call fcn.0043c400
test al, al
jne 0x454aed
push dword [ebp - 0x3d4]
lea ecx, [ebp - 0x1b4]
call fcn.0043ba30
push 0
push 0x80
push 3
push 0
push 1
push Ordinal_1
lea ecx, [ebp - 0x1b4]
call fcn.0043b930
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x454b0e
lea ecx, [ebp - 0x1b4]
mov byte [ebp - 4], 1
call fcn.00415e60
add esi, 0x84
lea eax, [ebp - 0x1b4]
cmp esi, eax
jne 0x454a92
jmp 0x454b19
lea ecx, [ebp - 0x1b4]
call fcn.00415e60
push fcn.00415e60
push 2
push 0x84
lea eax, [ebp - 0x2bc]
mov dword [ebp - 4], 0xffffffff
push eax
call fcn.004b57e7
cmp ebx, 0xffffffff
jne 0x454b6a
push 0x63
push str.Error_opening_file
lea eax, [edi + 0x10]
push eax
call fcn.004df935
push 0x31
lea eax, [edi + 0xd8]
push 0x515448
push eax
call fcn.004df935
add esp, 0x18
xor al, al
jmp 0x454f05
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x3d4], eax
test eax, eax
jne 0x454b86
push 0x63
push str.File_is_empty
jmp 0x454b44
cmp eax, 0x400000
jbe 0x454b96
push 0x63
push str.File_too_large
jmp 0x454b44
lea esi, [eax + 8]
mov dword [ebp - 0x3d8], 0
push esi
call fcn.004b5ddb
push esi
push 0
push eax
mov dword [ebp - 0x3d0], eax
call fcn.004d5900
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 0x454c2d
push dword [ebp - 0x3d0]
call fcn.004b593a
mov eax, dword [edi]
add esp, 4
test eax, eax
je 0x454c04
push eax
call fcn.004d8a7a
add esp, 4
mov eax, dword [edi + 4]
test eax, eax
je 0x454c14
push eax
call fcn.004d8a7a
add esp, 4
push 0x63
mov dword [edi], 0
mov dword [edi + 4], 0
push str.Could_not_read_file
jmp 0x454b44
push dword [ebp + 0xc]
mov ecx, edi
push esi
mov esi, dword [ebp - 0x3d0]
push esi
call fcn.00454f30
push esi
jmp 0x454ef9
mov dword [ebp - 0x3d0], 0
mov dword [ebp - 0x3dc], 0
call fcn.0043e980
test al, al
je 0x454dee
mov dword [ebp - 0x3d8], 0xffffffff
call fcn.0043e880
mov dword [ebp - 0x3e8], eax
call fcn.0043e7c0
mov dword [ebp - 0x3e4], eax
lea esi, [ebp - 0x3e8]
nop dword [eax]
mov ebx, dword [esi]
test ebx, ebx
je 0x454d7c
push 0x218
lea eax, [ebp - 0x3cc]
push 0
push eax
call fcn.004d5900
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 0x454ce0
sub ecx, dword [ebp - 0x3e0]
sar ecx, 1
push ecx
push edx
lea ecx, [ebp - 0x130]
call fcn.0040c140
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.004b82f0
mov edx, dword [ebp - 0x11c]
add esp, 0x10
mov dword [ebp - 0x3e0], eax
mov dword [ebp - 4], 0xffffffff
cmp edx, 8
jb 0x454d78
mov ecx, dword [ebp - 0x130]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x454d68
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x454f23
push edx
push ecx
call fcn.004b592c
mov eax, dword [ebp - 0x3e0]
add esp, 8
test eax, eax
jne 0x454d99
add esi, 4
lea eax, [ebp - 0x3e0]
cmp esi, eax
jne 0x454c90
push 0x63
push str.Error_opening_zip_file
jmp 0x454b44
mov eax, dword [ebp - 0x1b8]
mov dword [ebp - 0x3dc], eax
test eax, eax
je 0x454b7d
cmp eax, 0x400000
ja 0x454b8d
push eax
call fcn.004b5ddb
push dword [ebp - 0x3dc]
mov dword [ebp - 0x3d0], eax
push eax
push dword [ebp - 0x3d8]
push ebx
call fcn.004b8040
add esp, 0x14
test eax, eax
jne 0x454edd
push 0x63
push str.Could_not_unzip_file
jmp 0x454b44
mov ebx, 0x80004005
call fcn.0043e870
push eax
lea eax, [ebp - 0x118]
push eax
call fcn.0043e860
mov ecx, eax
call fcn.0043b940
mov dword [ebp - 4], 4
call fcn.0043e7b0
push eax
lea eax, [ebp - 0x94]
push eax
call fcn.0043e7a0
mov ecx, eax
call fcn.0043b940
mov dword [ebp - 4], 5
lea esi, [ebp - 0x118]
nop dword [eax]
push esi
lea ecx, [ebp - 0x1b4]
call fcn.0043b440
lea ecx, [ebp - 0x1b4]
mov byte [ebp - 4], 6
call fcn.0043c400
test al, al
jne 0x454e8d
lea eax, [ebp - 0x3dc]
push eax
lea eax, [ebp - 0x3d0]
push eax
push dword [ebp - 0x3d4]
lea ecx, [ebp - 0x1b4]
call fcn.0043b930
push eax
call fcn.004b6c30
mov ebx, eax
add esp, 0x10
test ebx, ebx
jns 0x454eab
lea ecx, [ebp - 0x1b4]
mov byte [ebp - 4], 5
call fcn.00415e60
add esi, 0x84
lea eax, [ebp - 0x10]
cmp esi, eax
jne 0x454e40
jmp 0x454eb6
lea ecx, [ebp - 0x1b4]
call fcn.00415e60
push fcn.00415e60
push 2
push 0x84
lea eax, [ebp - 0x118]
mov dword [ebp - 4], 0xffffffff
push eax
call fcn.004b57e7
test ebx, ebx
js 0x454de2
push dword [ebp + 0xc]
mov ecx, edi
push dword [ebp - 0x3dc]
push dword [ebp - 0x3d0]
call fcn.00454f30
push dword [ebp - 0x3d0]
mov bl, al
call fcn.004b593a
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.004b5d96
mov esp, ebp
pop ebp
ret 8
call fcn.004d899e
int3