Function at 0x4fb340
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff0
mov eax, 0x2060
call fcn.0055c020
mov ebx, dword [ebp + 0xc]
mov eax, dword [ebp + 8]
mov dword [esp + 0x20], edx
mov dword [esp], ecx
cmp ebx, 0x1001
jb 0x4fb396
cmp byte [eax + 0x1000], 0xbf
mov ebx, 0x1000
jg 0x4fb396
cmp byte [eax + 0xfff], 0xbf
mov ebx, 0xfff
jg 0x4fb396
xor ebx, ebx
cmp byte [eax + 0xffe], 0xc0
setge bl
add ebx, 0xffd
lea edi, [esp + 0x5c]
push 0x1000
push edi
push ebx
push eax
push 8
push 0xfde9
call sub.kernel32.dll_MultiByteToWideChar
test eax, eax
je 0x4fb6ad
mov esi, eax
cmp eax, 0x1001
jae 0x4fb6e5
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 0x4fb661
mov ecx, dword [esp + 8]
cmp ecx, esi
je 0x4fb673
jae 0x4fb69c
movzx eax, word [esp + ecx*2 + 0x5c]
add eax, 0x2312
movzx eax, ax
cmp eax, 0x312
jae 0x4fb437
lea eax, [esp + ecx*2 + 0x5c]
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 0x4fb684
mov ecx, ebx
cmp ecx, esi
ja 0x4fb693
test ecx, ecx
je 0x4fb671
lea eax, [ecx - 1]
xor ebx, ebx
and eax, 0x7fffffff
cmp eax, 6
jbe 0x4fb617
inc eax
mov dword [esp + 4], ecx
pxor xmm1, xmm1
lea esi, [esp + 0x64]
pxor xmm2, xmm2
mov edx, eax
and edx, 0xfffffff8
lea ecx, [edx + edx]
mov edi, edx
nop word cs:[eax + eax]
nop
movq xmm7, qword [esi - 8]
movq xmm4, qword [esi]
movdqa xmmword [esp + 0x20], xmm1
movdqa xmm1, xmmword [0x5604e0]
movdqa xmmword [esp + 0x40], xmm2
movdqa xmm2, xmmword [0x5604f0]
add esi, 0x10
add edi, 0xfffffff8
movdqa xmm0, xmm7
movdqa xmm6, xmm4
movdqa xmm3, xmm7
movdqa xmmword [esp + 0x30], xmm4
paddw xmm0, xmm1
paddw xmm6, xmm1
movdqa xmm1, xmmword [0x5604c0]
movdqa xmm5, xmm1
pxor xmm0, xmm1
movdqa xmm1, xmm2
pxor xmm6, xmm5
pcmpgtw xmm1, xmm0
movdqa xmm5, xmmword [0x560510]
pcmpgtw xmm2, xmm6
punpcklwd xmm1, xmm1
punpcklwd xmm6, xmm2
movdqa xmm2, xmmword [0x560500]
psrad xmm1, 0x10
movdqa xmm0, xmm1
psrad xmm6, 0x10
pand xmm1, xmm5
pandn xmm0, xmm2
movdqa xmm2, xmmword [esp + 0x40]
por xmm1, xmm0
movdqa xmm0, xmm6
pand xmm6, xmm5
movdqa xmm5, xmmword [0x5604c0]
pandn xmm0, xmmword [0x560500]
pxor xmm3, xmm5
por xmm6, xmm0
movdqa xmm0, xmmword [0x560520]
paddw xmm7, xmm0
paddw xmm4, xmm0
movdqa xmm0, xmmword [0x560530]
pxor xmm7, xmm5
pxor xmm4, xmm5
movdqa xmm5, xmmword [0x560510]
pcmpgtw xmm0, xmm7
movdqa xmm7, xmmword [0x560530]
punpcklwd xmm0, xmm0
pand xmm0, xmm5
pcmpgtw xmm7, xmm4
movdqa xmm4, xmmword [0x5604d0]
pcmpgtw xmm3, xmm4
pcmpeqd xmm4, xmm4
punpcklwd xmm3, xmm3
psubd xmm0, xmm4
psrad xmm3, 0x10
pand xmm1, xmm3
pandn xmm3, xmm0
por xmm3, xmm1
movdqa xmm1, xmmword [esp + 0x20]
paddd xmm1, xmm3
movdqa xmm3, xmmword [esp + 0x30]
pxor xmm3, xmmword [0x5604c0]
pcmpgtw xmm3, xmmword [0x5604d0]
punpcklwd xmm3, xmm3
psrad xmm3, 0x10
punpcklwd xmm7, xmm3
pand xmm6, xmm3
pand xmm7, xmm5
psubd xmm7, xmm4
pandn xmm3, xmm7
por xmm3, xmm6
paddd xmm2, xmm3
jne 0x4fb480
paddd xmm2, xmm1
cmp eax, edx
pshufd xmm0, xmm2, 0xee
paddd xmm0, xmm2
pshufd xmm1, xmm0, 0x55
paddd xmm1, xmm0
movd ebx, xmm1
je 0x4fb673
lea edi, [esp + ecx + 0x5c]
mov ecx, dword [esp + 4]
lea eax, [esp + ecx*2 + 0x5c]
jmp 0x4fb626
add ebx, edx
cmp edi, eax
je 0x4fb673
movzx ecx, word [edi]
add edi, 2
mov edx, 1
cmp cx, 0x7f
jbe 0x4fb620
movzx esi, cx
mov edx, 2
cmp esi, 0x800
jb 0x4fb620
add ecx, 0x2312
xor edx, edx
movzx ecx, cx
cmp ecx, 0x312
setae dl
lea edx, [edx + edx + 1]
jmp 0x4fb620
call sub.kernel32.dll_GetLastError
mov ecx, dword [esp]
mov byte [ecx], 0
mov dword [ecx + 4], eax
jmp 0x4fb67c
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 0x4fb43f
mov edx, esi
push 0x5bc0bc
jmp 0x4fb6f1
mov edx, esi
push 0x5bc0ac
call dbg.panic_bounds_check
add esp, 4
ud2
lea ecx, [esp + 8]
mov edx, 0x5bc08c
mov dword [esp + 8], 0x5bc084
mov dword [esp + 0xc], 1
mov dword [esp + 0x18], 0
mov dword [esp + 0x10], str.Lazy_instance_has_previously_been_poisoned
mov dword [esp + 0x14], 0
call dbg.panic_fmt
ud2
mov ecx, esi
mov edx, 0x1000
push 0x5bc09c
call dbg.slice_end_index_len_fail
add esp, 4
ud2