Function at 0x4bb120
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff0
mov eax, 0x2050
call fcn.004f2730
mov dword [esp + 0x20], edx
mov edx, dword [ebp + 0xc]
mov esi, ecx
mov ecx, dword [ebp + 8]
cmp edx, 0x1001
jae 0x4bb14b
mov ebx, edx
jmp 0x4bb187
cmp byte [ecx + 0x1000], 0xbf
mov ebx, 0x1000
jg 0x4bb187
cmp byte [ecx + 0xfff], 0xbf
mov ebx, 0xfff
jg 0x4bb187
xor eax, eax
cmp byte [ecx + 0xffe], 0xc0
setge al
cmp byte [ecx + eax + 0xffd], 0xbf
lea ebx, [eax + 0xffd]
jle 0x4bb4c4
lea edi, [esp + 0x4c]
mov dword [esp], esi
push 0x1000
push edi
push ebx
push ecx
push 8
push 0xfde9
call sub.kernel32.dll_MultiByteToWideChar
test eax, eax
je 0x4bb471
mov esi, eax
cmp eax, 0x1001
jae 0x4bb4a7
mov dword [esp + 8], 0
lea eax, [esp + 8]
push 0
push eax
push esi
push edi
push dword [esp + 0x30]
call sub.kernel32.dll_WriteConsoleW
test eax, eax
je 0x4bb433
mov ecx, dword [esp + 8]
cmp ecx, esi
je 0x4bb445
jae 0x4bb4b8
movzx eax, word [esp + ecx*2 + 0x4c]
add eax, 0x2312
movzx eax, ax
cmp eax, 0x312
jae 0x4bb22b
lea eax, [esp + ecx*2 + 0x4c]
inc ecx
mov dword [esp + 8], 0
mov ebx, ecx
push 0
lea ecx, [esp + 0xc]
push ecx
push 1
push eax
push dword [esp + 0x30]
call sub.kernel32.dll_WriteConsoleW
test eax, eax
je 0x4bb456
mov ecx, ebx
cmp ecx, esi
ja 0x4bb465
test ecx, ecx
je 0x4bb443
lea eax, [ecx - 1]
xor ebx, ebx
and eax, 0x7fffffff
cmp eax, 6
jbe 0x4bb3e3
inc eax
mov dword [esp + 4], ecx
pxor xmm0, xmm0
lea esi, [esp + 0x54]
pxor xmm1, xmm1
mov edx, eax
and edx, 0x7ffffff8
lea ecx, [edx + edx]
mov edi, edx
nop dword [eax]
movdqa xmmword [esp + 0x30], xmm1
movq xmm1, qword [esi - 8]
movdqa xmm4, xmmword [0x500400]
movdqa xmm6, xmmword [0x5003f0]
movdqa xmmword [esp + 0x20], xmm0
movq xmm3, qword [esi]
add esi, 0x10
add edi, 0xfffffff8
movdqa xmm0, xmm1
movdqa xmm7, xmm4
punpcklwd xmm0, xmm1
movdqa xmm2, xmm0
pxor xmm2, xmm6
pcmpgtw xmm7, xmm2
movdqa xmm2, xmm3
punpcklwd xmm2, xmm3
movdqa xmm5, xmm2
paddw xmm2, xmmword [0x500410]
pxor xmm5, xmm6
pcmpgtw xmm4, xmm5
movdqa xmm5, xmmword [0x500410]
pxor xmm2, xmmword [0x5003f0]
paddw xmm0, xmm5
movdqa xmm5, xmmword [0x500420]
pxor xmm0, xmm6
movdqa xmm6, xmm5
pcmpgtw xmm5, xmm2
movdqa xmm2, xmmword [0x500430]
pcmpgtw xmm6, xmm0
movdqa xmm0, xmm6
pandn xmm0, xmm2
movdqa xmm2, xmmword [0x500440]
pand xmm6, xmm2
por xmm6, xmm0
movdqa xmm0, xmm5
pand xmm5, xmm2
movdqa xmm2, xmmword [0x500460]
pandn xmm0, xmmword [0x500430]
por xmm5, xmm0
movdqa xmm0, xmmword [0x500450]
paddw xmm1, xmm0
paddw xmm3, xmm0
movdqa xmm0, xmm2
pxor xmm1, xmmword [0x5003f0]
pxor xmm3, xmmword [0x5003f0]
pcmpgtw xmm0, xmm1
movdqa xmm1, xmm2
pcmpeqd xmm2, xmm2
pcmpgtw xmm1, xmm3
movdqa xmm3, xmmword [0x500440]
punpcklwd xmm0, xmm0
pand xmm0, xmm3
psubd xmm0, xmm2
pand xmm0, xmm7
pandn xmm7, xmm6
por xmm7, xmm0
movdqa xmm0, xmmword [esp + 0x20]
paddd xmm0, xmm7
punpcklwd xmm1, xmm1
pand xmm1, xmm3
psubd xmm1, xmm2
pand xmm1, xmm4
pandn xmm4, xmm5
por xmm4, xmm1
movdqa xmm1, xmmword [esp + 0x30]
paddd xmm1, xmm4
jne 0x4bb270
paddd xmm1, xmm0
cmp eax, edx
pshufd xmm0, xmm1, 0xee
paddd xmm0, xmm1
pshufd xmm1, xmm0, 0x55
paddd xmm1, xmm0
movd ebx, xmm1
je 0x4bb445
lea edi, [esp + ecx + 0x4c]
mov ecx, dword [esp + 4]
lea eax, [esp + ecx*2 + 0x4c]
jmp 0x4bb3f9
add edi, 2
add ebx, edx
cmp edi, eax
je 0x4bb445
movzx ecx, word [edi]
mov edx, 1
cmp ecx, 0x80
jb 0x4bb3f0
movzx esi, cx
mov edx, 2
cmp esi, 0x800
jb 0x4bb3f0
add ecx, 0x2312
xor edx, edx
movzx ecx, cx
cmp ecx, 0x312
setae dl
lea edx, [edx + edx + 1]
jmp 0x4bb3f0
call sub.kernel32.dll_GetLastError
mov ecx, dword [esp]
mov byte [ecx], 0
mov dword [ecx + 4], eax
jmp 0x4bb44e
xor ebx, ebx
mov eax, dword [esp]
mov dword [eax + 4], ebx
mov byte [eax], 4
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret
call sub.kernel32.dll_GetLastError
mov ecx, ebx
cmp ecx, esi
jbe 0x4bb233
mov edx, esi
push 0x515cf8
call fcn.00443260
lea ecx, [esp + 8]
mov edx, 0x515cc8
mov dword [esp + 8], 0x515cc0
mov dword [esp + 0xc], 1
mov dword [esp + 0x18], 0
mov dword [esp + 0x10], 4
mov dword [esp + 0x14], 0
call fcn.004424d0
mov ecx, esi
mov edx, 0x1000
push 0x515cd8
call fcn.00443260
mov edx, esi
push 0x515ce8
call fcn.00442900
push 0x515c88
push ebx
push 0
call fcn.00446740
nop word cs:[eax + eax]
nop dword [eax + eax]