Function at 0x4b1820
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4ff447
mov eax, dword fs:[0]
push eax
sub esp, 0xf0
mov eax, dword [0x536008]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0xf4], ecx
mov ebx, dword [ebp + 8]
mov dword [ebp - 0xf8], ebx
mov eax, dword [ebx]
test eax, eax
je 0x4b1d7a
mov eax, dword [eax]
cmp eax, 0xffffffff
je 0x4b1d7a
lea ecx, [ebp - 0x2c]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
cmp edi, 0xffffffff
jne 0x4b1892
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x4b1d7a
mov eax, dword [ebp - 0x2c]
xor esi, esi
add esi, edi
mov ecx, ebx
adc eax, 0
mov dword [ebp - 0x2c], eax
call fcn.004ba590
test al, al
je 0x4b1d7a
lea ecx, [ebp - 0xc0]
call fcn.004b0a20
mov dword [ebp - 4], 0
lea ecx, [ebp - 0xc0]
call fcn.004b0ac0
xorps xmm0, xmm0
mov dword [ebp - 0x18], 0
movq qword [ebp - 0x20], xmm0
mov dword [ebp - 0x20], 0
mov dword [ebp - 0x1c], 0
mov dword [ebp - 0x18], 0
mov byte [ebp - 4], 1
lea edx, [ebp - 0x20]
lea ecx, [ebp - 0xc0]
call fcn.004b1480
mov edi, dword [ebp - 0x1c]
sub edi, dword [ebp - 0x20]
mov byte [ebp - 4], 0
mov ecx, dword [ebp - 0x20]
test ecx, ecx
je 0x4b1956
mov edx, dword [ebp - 0x18]
mov eax, ecx
sub edx, ecx
cmp edx, 0x1000
jb 0x4b1937
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x4b1937
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push edx
push ecx
call fcn.004e62ec
add esp, 8
mov dword [ebp - 0x20], 0
mov dword [ebp - 0x1c], 0
mov dword [ebp - 0x18], 0
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0xc0]
call fcn.004b3160
cmp dword [ebp - 0x2c], 0
ja 0x4b197c
jb 0x4b1d7a
cmp esi, edi
jb 0x4b1d7a
xorps xmm0, xmm0
mov dword [ebp - 0x30], 0
movq qword [ebp - 0x38], xmm0
mov dword [ebp - 0x38], 0
mov dword [ebp - 0x34], 0
mov dword [ebp - 0x30], 0
mov dword [ebp - 4], 2
lea eax, [ebp - 0xe9]
push eax
push edi
lea ecx, [ebp - 0x38]
mov byte [ebp - 0xe9], 0
call fcn.004572d0
lea eax, [ebp - 0x28]
mov dword [ebp - 0x28], 0
push eax
push edi
push dword [ebp - 0x38]
mov ecx, ebx
call fcn.004ba390
test al, al
je 0x4b1d65
cmp dword [ebp - 0x28], edi
jne 0x4b1d65
lea ecx, [ebp - 0x70]
call fcn.004b0a20
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x98]
mov dword [ebp - 0xf0], 0
call fcn.004b0a20
mov byte [ebp - 4], 4
lea ecx, [ebp - 0x98]
call fcn.004b0ac0
mov eax, dword [ebp - 0x94]
lea ecx, [ebp - 0x70]
sub eax, dword [ebp - 0x98]
lea edx, [ebp - 0xf0]
push ecx
push eax
lea ecx, [ebp - 0x38]
call fcn.004b1560
add esp, 8
test al, al
je 0x4b1d46
mov eax, dword [ebp - 0x88]
lea ecx, [ebp - 0x64]
sub eax, dword [ebp - 0x8c]
lea edx, [ebp - 0xf0]
push ecx
push eax
lea ecx, [ebp - 0x38]
call fcn.004b1560
add esp, 8
test al, al
je 0x4b1d46
mov eax, dword [ebp - 0x7c]
lea ecx, [ebp - 0x58]
sub eax, dword [ebp - 0x80]
lea edx, [ebp - 0xf0]
push ecx
push eax
lea ecx, [ebp - 0x38]
call fcn.004b1560
add esp, 8
test al, al
je 0x4b1d46
mov edx, dword [ebp - 0xf0]
mov ecx, dword [ebp - 0x34]
sub ecx, dword [ebp - 0x38]
lea eax, [edx + 4]
cmp eax, ecx
ja 0x4b1d46
mov ecx, dword [ebp - 0x38]
movzx eax, byte [ecx + edx]
shl eax, 0x18
mov dword [ebp - 0x4c], eax
movzx edx, byte [ecx + edx + 1]
shl edx, 0x10
or edx, eax
mov eax, dword [ebp - 0xf0]
mov dword [ebp - 0x4c], edx
movzx ecx, byte [eax + ecx + 2]
mov eax, dword [ebp - 0x38]
shl ecx, 8
or ecx, edx
mov edx, dword [ebp - 0xf0]
mov dword [ebp - 0x4c], ecx
movzx eax, byte [eax + edx + 3]
or eax, ecx
mov dword [ebp - 0x4c], eax
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x98]
call fcn.004b3160
lea ecx, [ebp - 0xe8]
call fcn.004b0a20
mov byte [ebp - 4], 5
lea ecx, [ebp - 0xe8]
call fcn.004b0ac0
lea edx, [ebp - 0xe8]
lea ecx, [ebp - 0x70]
call fcn.004b4ed0
test al, al
je 0x4b1bd5
lea ecx, [ebp - 0xc0]
call fcn.004b0a20
mov byte [ebp - 4], 6
lea ecx, [ebp - 0xc0]
call fcn.004b0c30
lea edx, [ebp - 0xc0]
lea ecx, [ebp - 0x70]
call fcn.004b4ed0
test al, al
je 0x4b1bc6
lea ecx, [ebp - 0x98]
call fcn.004b0a20
mov byte [ebp - 4], 7
lea ecx, [ebp - 0x98]
call fcn.004b0da0
lea edx, [ebp - 0x98]
lea ecx, [ebp - 0x70]
call fcn.004b4ed0
test al, al
je 0x4b1bb7
mov byte [ebp - 4], 6
mov ecx, edx
call fcn.004b3160
mov byte [ebp - 4], 5
lea ecx, [ebp - 0xc0]
call fcn.004b3160
xor bl, bl
mov byte [ebp - 4], 3
lea ecx, [ebp - 0xe8]
call fcn.004b3160
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x70]
call fcn.004b3160
jmp 0x4b1d67
mov byte [ebp - 4], 6
lea ecx, [ebp - 0x98]
call fcn.004b3160
mov byte [ebp - 4], 5
lea ecx, [ebp - 0xc0]
call fcn.004b3160
lea edx, [ebp - 0xd0]
lea ecx, [ebp - 0x58]
call fcn.004b4ed0
test al, al
jne 0x4b1b95
mov eax, dword [ebp - 0x4c]
cmp eax, dword [ebp - 0xc4]
jne 0x4b1b95
mov ecx, dword [ebp - 0xf4]
lea eax, [ebp - 0x70]
push eax
add ecx, 0x24
call fcn.004b3290
cmp esi, edi
jne 0x4b1c12
cmp dword [ebp - 0x2c], 0
jne 0x4b1c12
mov bl, 1
jmp 0x4b1b97
mov eax, dword [ebx]
mov dword [ebp - 0x48], 0
test eax, eax
je 0x4b1b95
cmp dword [eax], 0xffffffff
je 0x4b1b95
push 0
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x28], 0
push ecx
push 4
lea ecx, [ebp - 0x48]
push ecx
push dword [eax]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x4b1b95
cmp dword [ebp - 0x28], 4
jne 0x4b1b95
mov ebx, dword [ebp - 0x48]
sub esi, edi
cmp ebx, esi
ja 0x4b1b95
xorps xmm0, xmm0
mov dword [ebp - 0x3c], 0
movq qword [ebp - 0x44], xmm0
mov dword [ebp - 0x44], 0
mov dword [ebp - 0x40], 0
mov dword [ebp - 0x3c], 0
mov byte [ebp - 4], 8
lea eax, [ebp - 0xe9]
push eax
push ebx
lea ecx, [ebp - 0x44]
mov byte [ebp - 0xe9], 0
call fcn.004572d0
mov ecx, dword [ebp - 0xf8]
lea eax, [ebp - 0x28]
push eax
push ebx
push dword [ebp - 0x44]
call fcn.004ba390
test al, al
je 0x4b1d33
cmp dword [ebp - 0x28], ebx
jne 0x4b1d33
mov eax, dword [ebp - 0x58]
cmp eax, dword [ebp - 0x54]
je 0x4b1d33
mov al, byte [eax]
test al, al
jne 0x4b1d33
mov eax, dword [ebp - 0x40]
mov edx, eax
mov ecx, dword [ebp - 0x44]
sub edx, ecx
test dl, 7
jne 0x4b1d33
cmp ecx, eax
je 0x4b1d11
mov eax, dword [ebp - 0x60]
sub eax, dword [ebp - 0x64]
cmp eax, 0x10
jne 0x4b1d33
lea eax, [ebp - 0x24]
push eax
call fcn.004c2480
mov edx, dword [ebp - 0x64]
lea edi, [ebp - 0x24]
add esp, 4
xor esi, esi
sub edi, edx
mov al, byte [edx]
cmp al, byte [edi + edx]
jne 0x4b1d33
inc esi
inc edx
cmp esi, 0x10
jb 0x4b1d03
mov ecx, dword [ebp - 0xf4]
lea eax, [ebp - 0x44]
push eax
call fcn.004b1ec0
mov bl, al
mov byte [ebp - 4], 5
lea ecx, [ebp - 0x44]
call fcn.00419be0
jmp 0x4b1b97
xor bl, bl
mov byte [ebp - 4], 5
lea ecx, [ebp - 0x44]
call fcn.00419be0
jmp 0x4b1b97
mov byte [ebp - 4], 3
lea ecx, [ebp - 0x98]
call fcn.004b3160
xor bl, bl
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x70]
call fcn.004b3160
jmp 0x4b1d67
xor bl, bl
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x38]
call fcn.00419be0
mov al, bl
jmp 0x4b1d7c
xor al, al
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.004e62ab
mov esp, ebp
pop ebp
ret 4