Function at 0x420eb4
Capabilities:
Encode data using xor

Disassembly:
inc edi
fcmovne st(0), st(6)
and edx, ecx
add edx, edx
lea esi, [eax + ecx]
add esi, 0xcedb4705
mov ecx, esi
sub ecx, edx
cmp byte [eax], 0x13
lodsd eax, dword [esi]
out 1, al
or ecx, 1
add ecx, esi
add cl, 0xe6
mov byte [esp + eax + 0xc], cl
mov ecx, eax
and ecx, 1
xor eax, 1
lea eax, [eax + ecx*2]
or dword [esi], 4
jmp 0x420f62
push 2
push 0xc00000
lea eax, [esp + 0x18]
push eax
add al, 0x89
enter 0xffffffffffffc483, 0x40
pop esi
pop edi
pop ebx
pop ebp
ret
je 0x420eef
insb byte es:[edi], dx
and al, 0x70
mov edi, dword [ebp + 4]
mov edx, 0xf0fffffe
loopne 0x420fbf
mov bh, 0x90
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, edx
cmp word [edi + edx + 2], 0
lea edx, [edx + 2]
jne 0x420f7b
mov esi, dword [ecx + 4]
mov eax, 0xf0fffffe
loopne 0x420fe0
mov bh, 0x90
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp word [esi + eax + 2], 0
lea eax, [eax + 2]
jne 0x420f9e
sar edx, 1
ror dword [esi], 1
add al, 0xeb
js 0x420f3e
or al, 2
mov dword [esp + 0x4c], eax
add eax, edx
add eax, 0x1b
test eax, eax
mov dword [esp + 0x50], edx
push esp
and al, 0x50
mov dword [esp + 0x48], ecx
jns 0x420fcf
mov eax, 0xffffffff
jmp 0x420fd6
lea eax, [ecx*2 + 0x36]
push eax
call fcn.00409ec1
add esp, 4
mov dword [esp + 8], 0x895e8b28
mov dword [esp + 0xc], 0x853b8739
mov dword [esp + 0x10], 0x8136833b
mov dword [esp + 0x14], 0x9d459f60
inc esp
and al, 8
sub byte [ebx + 0x44c7895e], cl
and al, 0xc
cmp dword [edi + 0x44c7853b], eax
and al, 0x10
cmp eax, dword [ebx + 0x44c78136]
and al, 0x14
pushal
lahf
inc ebp
popfd
mov dword [esp + 0x18], 0x99169b14
mov dword [esp + 0x1c], 0x95249723
mov dword [esp + 0x20], 0x91259319
mov dword [esp + 0x24], 0x6ddc6f21
mov dword [esp + 0x28], 0x69c76b8c
mov dword [esp + 0x2c], 0x65ea67d3
mov dword [esp + 0x30], 0x61d563e8
mov dword [esp + 0x34], 0x7dc77fd2
mov dword [esp + 0x38], 0x79de7bf1
mov word [esp + 0x3c], 0x7778
mov dword [esp + 0x3e], 0
mov word [esp + 0x42], 0
xor edx, edx
nop
nop
mov ecx, edx
add cl, 0x63
xor cl, byte [esp + edx + 8]
add cl, 0x11
mov byte [esp + edx + 8], cl
mov ecx, edx
and ecx, 1
xor edx, 1
lea edx, [edx + ecx*2]
cmp edx, 0x3c
jb 0x421061
movzx ecx, word [edi]
mov ebx, eax
test cx, cx
je 0x4210a2
add edi, 2
mov ebx, eax
nop
mov word [ebx], cx
add ebx, 2
add al, ah
dec esi
mov bh, 0xb7
jae 0x85a81369
leave
jne 0x421094
mov word [ebx], 0
movzx ecx, word [esp + 8]
test cx, cx
je 0x4210d5
lea edx, [esp + 0xa]
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov word [ebx], cx
add ebx, 2
add al, ah
dec esi
mov bh, 0xb7
or al, byte [ebx - 0x7a99fd3e]
leave
jne 0x4210c7
mov word [ebx], 0
movzx ecx, word [esi]
test cx, cx
mov dword [esp], eax
je 0x421108
add esi, 2
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov word [ebx], cx
add ebx, 2
add al, ah
dec esi
mov bh, 0xb7
push cs
add esi, 2
test cx, cx
leave
jne 0x4210fa
mov word [ebx], 0
mov ebx, dword [ebp]
mov eax, 0xfffffffe
nop
nop
cmp word [ebx + eax + 2], 0
lea eax, [eax + 2]
jne 0x42111a
mov edi, dword [ebp + 8]
mov ecx, 0xfffffffe
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp word [edi + ecx + 2], 0
lea ecx, [ecx + 2]
jne 0x42113a
mov edx, dword [esp + 0x74]
mov esi, dword [edx]
mov edx, 0xde3a81c3
invalid