Function at 0x420880
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff0
sub esp, 0x50
mov dword [esp + 0x1c], 0
mov dword [esp + 0x2f], 0
mov dword [esp + 0x2c], 0
mov dword [esp + 0x28], 0
mov dword [esp + 0x24], 0
mov dword [esp + 0x20], 0x62656467
mov dword [esp + 0xc], 0
mov eax, dword [esp + 0xc]
cmp eax, 0x12
ja 0x4208ff
nop
nop
nop
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0xc]
movzx ecx, byte [esp + ecx + 0x20]
lea edx, [eax + 0x71]
and edx, ecx
add eax, ecx
add edx, edx
sub eax, edx
add al, 0x5a
mov ecx, dword [esp + 0xc]
mov byte [esp + ecx + 0x20], al
inc dword [esp + 0xc]
mov eax, dword [esp + 0xc]
cmp eax, 0x13
jb 0x4208d0
mov eax, dword [esp + 0x20]
mov ecx, dword [0x448cd8]
test ecx, ecx
je 0x420954
xor edx, edx
mov esi, dword [0x448cdc]
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp dword [esi + edx*8], 0x18dc7455
je 0x420930
inc edx
cmp ecx, edx
jne 0x420920
jmp 0x420954
mov ecx, dword [esi + edx*8 + 4]
cmp ecx, eax
je 0x420954
lea eax, [esp + 0x1c]
push eax
push 0
push 0
push 5
push 4
push dword [0x448ce0]
push ecx
call fcn.004373e0
add esp, 0x1c
cmp eax, 0xc0000004
jne 0x420a12
push dword [esp + 0x1c]
call fcn.00435440
add esp, 4
mov edi, eax
mov ecx, dword [esp + 0x1c]
mov dword [esp + 0x2f], 0
mov dword [esp + 0x2c], 0
mov dword [esp + 0x28], 0
mov dword [esp + 0x24], 0
mov dword [esp + 0x20], 0x62656467
mov dword [esp + 0xc], 0
mov eax, dword [esp + 0xc]
cmp eax, 0x12
ja 0x4209df
nop
nop
nop
nop
nop
nop
mov eax, dword [esp + 0xc]
mov edx, dword [esp + 0xc]
movzx edx, byte [esp + edx + 0x20]
lea esi, [eax + 0x71]
and esi, edx
add eax, edx
add esi, esi
sub eax, esi
add al, 0x5a
mov edx, dword [esp + 0xc]
mov byte [esp + edx + 0x20], al
inc dword [esp + 0xc]
mov eax, dword [esp + 0xc]
cmp eax, 0x13
jb 0x4209b0
mov eax, dword [esp + 0x20]
mov edx, dword [0x448cd8]
test edx, edx
je 0x420a3a
mov ebx, edi
xor esi, esi
mov edi, dword [0x448cdc]
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp dword [edi + esi*8], 0x18dc7455
je 0x420a19
inc esi
cmp edx, esi
jne 0x420a00
mov edi, ebx
jmp 0x420a3a
xor ebx, ebx
jmp 0x420d49
mov edx, dword [edi + esi*8 + 4]
cmp edx, eax
mov edi, ebx
je 0x420a3a
push 0
push ecx
push edi
push 5
push 4
push dword [0x448ce0]
push edx
call fcn.004373e0
add esp, 0x1c
xor ebx, ebx
test eax, eax
js 0x420d40
mov eax, dword [edi]
mov ecx, edi
nop
nop
nop
nop
nop
nop
nop
nop
lea edx, [ecx + eax]
mov eax, dword [ecx + eax]
dec ebx
mov ecx, edx
test eax, eax
jne 0x420a50
mov eax, ebx
neg eax
dec ebx
and ebx, 0x104
mov ecx, eax
and ecx, 0xfffffefb
imul ecx, ebx
mov edx, eax
and edx, 0x104
or eax, 0x104
imul eax, edx
add eax, ecx
jns 0x420a8e
mov eax, 0xffffffff
jmp 0x420a90
add eax, eax
push eax
call fcn.00435440
add esp, 4
mov ecx, eax
mov edx, dword [edi]
mov dword [esp + 0x10], edi
mov eax, edi
mov dword [esp + 0x14], ecx
mov edi, ecx
jmp 0x420abe
mov word [edi], 0xa
add edi, 2
mov edx, dword [eax]
test edx, edx
je 0x420ae3
mov ecx, dword [eax + edx + 0x3c]
add eax, edx
movzx edx, word [ecx]
test dx, dx
je 0x420ab0
add ecx, 2
nop
mov word [edi], dx
add edi, 2
movzx edx, word [ecx]
add ecx, 2
test dx, dx
jne 0x420ad0
jmp 0x420ab0
mov eax, dword [esp + 0x14]
cmp edi, eax
je 0x420c3e
mov word [edi], 0
movzx ecx, word [eax]
test cx, cx
je 0x420c49
xor esi, esi
jmp 0x420b20
add edx, esi
mov esi, edx
movzx ecx, word [eax + 2]
add eax, 2
test cx, cx
je 0x420b51
cmp eax, edi
jae 0x420b51
mov edx, esi
movzx ebx, cx
xor ecx, ecx
cmp ebx, 0x800
setb byte [esp + 0x18]
mov esi, 1
cmp ebx, 0x80
jb 0x420b10
movzx ebx, byte [esp + 0x18]
mov cl, bl
xor ecx, 3
mov esi, ecx
jmp 0x420b10
lea eax, [esi + 1]
mov dword [esp + 0x48], eax
push eax
call fcn.00435440
add esp, 4
test esi, esi
mov dword [esp + 0x44], esi
mov dword [esp + 0x40], eax
jle 0x420c63
lea ecx, [eax + esi]
mov dword [esp + 0x18], ecx
add dword [esp + 0x48], eax
mov esi, eax
mov edx, dword [esp + 0x14]
jmp 0x420ba6
mov byte [esi], cl
mov eax, 1
add edx, 2
add esi, eax
cmp esi, dword [esp + 0x18]
jae 0x420c65
cmp edx, edi
jae 0x420c65
movzx ecx, word [edx]
test cx, cx
je 0x420c65
cmp cx, 0x7f
jbe 0x420b90
mov eax, esi
not eax
add eax, dword [esp + 0x48]
cmp eax, 2
jb 0x420c00
movzx ebx, cx
cmp ebx, 0x7ff
ja 0x420c00
mov eax, ecx
shr eax, 6
add al, 0xc0
mov byte [esi], al
and cl, 0x3f
or cl, 0x80
mov byte [esi + 1], cl
mov eax, 2
jmp 0x420b97
cmp eax, 3
mov eax, 0
jb 0x420b97
movzx ebx, cx
mov eax, ebx
shr eax, 0xc
or al, 0xe0
mov byte [esi], al
shr ebx, 6
and bl, 0x3f
or bl, 0x80
mov byte [esi + 1], bl
mov eax, ecx
xor eax, 0xc0
or ecx, 0x3f
and ecx, eax
add cl, 0x80
mov byte [esi + 2], cl
mov eax, 3
jmp 0x420b97
xor ebx, ebx
mov edi, dword [esp + 0x10]
jmp 0x420d37
mov dword [esp + 0x44], 0
push 1
call fcn.00435440
add esp, 4
mov esi, eax
mov dword [esp + 0x40], eax
jmp 0x420c65
mov esi, eax
mov edi, dword [esp + 0x10]
mov byte [esi], 0
mov dword [esp + 0x20], 0x5e696b36
mov dword [esp + 0x24], 0x5869685d
mov dword [esp + 0x28], 0x7b64af6b
mov word [esp + 0x2c], 0xf566
mov dword [esp + 0x2e], 0
mov dword [esp + 0x32], 0
mov dword [esp + 0x36], 0
mov dword [esp + 0x3a], 0
mov word [esp + 0x3e], 0
mov dword [esp + 0xc], 0
mov eax, dword [esp + 0xc]
cmp eax, 0x1f
ja 0x420d12
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0xc]
movzx ecx, byte [esp + ecx + 0x20]
lea edx, [eax + ecx]
add edx, 0x10011a3f
add eax, 0x10011a3f
and eax, ecx
add eax, eax
mov ecx, eax
xor ecx, edx
not eax
and eax, edx
add eax, eax
sub eax, ecx
add al, 0x47
mov ecx, dword [esp + 0xc]
mov byte [esp + ecx + 0x20], al
inc dword [esp + 0xc]
mov eax, dword [esp + 0xc]
cmp eax, 0x20
jb 0x420cd0
lea eax, [esp + 0x20]
mov ecx, dword [ebp + 8]
push dword [esp + 0x44]
mov esi, dword [esp + 0x44]
push esi
push eax
call fcn.00409140
mov ebx, eax
push esi
call fcn.004087a0
add esp, 4
mov eax, dword [esp + 0x14]
push eax
call fcn.004087a0
add esp, 4
push edi
call fcn.004354f0
add esp, 4
mov eax, ebx
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret