Function at 0x439590
Capabilities:
Encode data using xor

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x1c
mov dword [esp + 8], 0x54554a4b
mov word [esp + 0xc], 0
mov dword [esp], 0
mov eax, dword [esp]
cmp eax, 5
ja 0x4395ee
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, dword [esp]
mov ecx, dword [esp]
movzx ecx, byte [esp + ecx + 8]
add eax, 0xeb1bc1ee
xor eax, ecx
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x14]
add al, 0x5a
mov ecx, dword [esp]
mov byte [esp + ecx + 8], al
inc dword [esp]
mov eax, dword [esp]
cmp eax, 6
jb 0x4395c0
mov ebx, dword [esp + 0x34]
mov edi, dword [esp + 0x30]
mov esi, dword [esp + 8]
mov eax, dword [0x443f64]
test eax, eax
je 0x439648
xor ecx, ecx
mov edx, dword [0x443f68]
nop
nop
nop
nop
nop
cmp dword [edx + ecx*8], 0x9b15aa7a
je 0x439620
inc ecx
cmp eax, ecx
jne 0x439610
jmp 0x439648
mov eax, dword [edx + ecx*8 + 4]
cmp eax, esi
je 0x439648
lea ecx, [esp + 0x10]
push ecx
push 0
push 0
push 1
push ebx
push edi
push 6
push dword [0x443f6c]
push eax
call fcn.00436330
add esp, 0x24
mov esi, eax
cmp esi, 0xc0000023
jne 0x4398a7
push dword [esp + 0x10]
call fcn.00434040
add esp, 4
mov dword [esp + 4], eax
mov ecx, dword [esp + 0x10]
mov dword [esp + 8], 0x54554a4b
mov word [esp + 0xc], 0
mov dword [esp], 0
mov eax, dword [esp]
cmp eax, 5
ja 0x4396be
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, dword [esp]
mov edx, dword [esp]
movzx edx, byte [esp + edx + 8]
add eax, 0xeb1bc1ee
xor eax, edx
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x14]
add al, 0x5a
mov edx, dword [esp]
mov byte [esp + edx + 8], al
inc dword [esp]
mov eax, dword [esp]
cmp eax, 6
jb 0x439690
mov esi, dword [esp + 8]
mov eax, dword [0x443f64]
test eax, eax
je 0x43971b
xor edx, edx
mov ebp, dword [0x443f68]
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp dword [ebp + edx*8], 0x9b15aa7a
je 0x4396f1
inc edx
cmp eax, edx
jne 0x4396e0
jmp 0x43971b
mov edx, dword [ebp + edx*8 + 4]
cmp edx, esi
je 0x43971b
lea eax, [esp + 0x10]
push eax
push ecx
mov eax, dword [esp + 0xc]
push eax
push 1
push ebx
push edi
push 6
push dword [0x443f6c]
push edx
call fcn.00436330
add esp, 0x24
mov esi, eax
test esi, esi
js 0x43989b
mov ecx, dword [esp + 0x40]
mov edx, dword [esp + 0x3c]
test edx, edx
je 0x43981a
mov edi, dword [esp + 0x38]
test edi, edi
je 0x43980f
mov eax, dword [esp + 4]
mov eax, dword [eax + 0x10]
shr eax, 1
mov ebp, dword [edx]
cmp ebp, eax
jb 0x439750
mov ebp, eax
test ebp, ebp
je 0x43980a
mov ebx, dword [esp + 4]
add ebx, 0x14
mov eax, ebp
and ebp, 3
je 0x4397a0
mov dword [esp + 0x18], eax
xor edx, edx
nop
nop
nop
nop
movzx eax, word [ebx]
xor ecx, ecx
test ax, ax
setne cl
lea ebx, [ebx + ecx*2]
mov word [edi], ax
add edi, 2
inc edx
cmp ebp, edx
jne 0x439770
mov eax, dword [esp + 0x18]
mov ebp, eax
sub ebp, edx
mov ecx, dword [esp + 0x40]
mov edx, dword [esp + 0x3c]
cmp eax, 4
jae 0x4397b0
jmp 0x43980a
mov ebp, eax
cmp eax, 4
jb 0x43980a
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx eax, word [ebx]
xor ecx, ecx
test ax, ax
setne cl
lea edx, [ebx + ecx*2]
mov word [edi], ax
movzx eax, word [ebx + ecx*2]
xor ecx, ecx
test ax, ax
setne cl
lea ebx, [edx + ecx*2]
mov word [edi + 2], ax
movzx eax, word [edx + ecx*2]
xor ecx, ecx
test ax, ax
setne cl
lea edx, [ebx + ecx*2]
mov word [edi + 4], ax
movzx ecx, word [ebx + ecx*2]
xor eax, eax
test cx, cx
setne al
mov word [edi + 6], cx
add edi, 8
lea ebx, [edx + eax*2]
add ebp, 0xfffffffc
jne 0x4397b0
mov ecx, dword [esp + 0x40]
mov edx, dword [esp + 0x3c]
mov word [edi], 0
mov eax, dword [esp + 4]
mov eax, dword [eax + 0x10]
shr eax, 1
mov dword [edx], eax
mov edx, dword [esp + 0x48]
test ecx, ecx
je 0x43982b
mov eax, dword [esp + 4]
mov eax, dword [eax + 4]
mov dword [ecx], eax
test edx, edx
je 0x43989b
mov eax, dword [esp + 0x44]
test eax, eax
je 0x439892
mov ebx, dword [edx]
mov ecx, dword [esp + 4]
mov ecx, dword [ecx + 0xc]
cmp ebx, ecx
jb 0x439846
mov ebx, ecx
mov ecx, dword [esp + 4]
mov edx, dword [ecx + 8]
add edx, ecx
mov ecx, ebx
shr ecx, 2
mov ebp, ebx
and ebp, 0xfffffffc
mov edi, eax
add eax, ebp
add ebp, edx
xchg esi, edx
rep movsd dword es:[edi], dword [esi]
xchg esi, edx
mov ecx, ebx
not ecx
or ecx, 3
add ebx, ecx
inc ebx
mov ecx, ebx
shr ecx, 1
mov edx, ebp
mov edi, eax
xchg esi, edx
rep movsw word es:[edi], word [esi]
xchg esi, edx
test bl, 1
mov edx, dword [esp + 0x48]
je 0x439892
and ebx, 0xfffffffe
movzx ecx, byte [ebp + ebx]
mov byte [eax + ebx], cl
mov eax, dword [esp + 4]
mov eax, dword [eax + 0xc]
mov dword [edx], eax
push dword [esp + 4]
call fcn.004340c0
add esp, 4
mov eax, esi
add esp, 0x1c
pop esi
pop edi
pop ebx
pop ebp
ret