Function at 0x423f20
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff8
sub esp, 0x168
mov dword [esp + 0x18], 0x43034d29
mov dword [esp + 0x1c], 0x47d641d0
mov dword [esp + 0x20], 0xbb1b4500
mov dword [esp + 0x24], 0xbf1fb92c
mov dword [esp + 0x28], 0xb3b2bdd9
lea eax, [esp + 0x2c]
mov dword [esp + 0x2c], 0
mov dword [esp + 0x2f], 0
mov dword [esp + 0x94], 0
mov ecx, dword [esp + 0x94]
cmp ecx, 0x1a
ja 0x423fe6
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov ecx, dword [esp + 0x94]
mov edx, dword [esp + 0x94]
movzx esi, byte [esp + edx + 0x18]
mov edx, 0x2e739789
sub edx, ecx
add ecx, 0x76
and ecx, esi
or edx, esi
not edx
add edx, esi
sub edx, ecx
mov dword [esp + 0xc8], edx
mov ecx, dword [esp + 0xc8]
add cl, 0xc6
mov edx, dword [esp + 0x94]
mov byte [esp + edx + 0x18], cl
inc dword [esp + 0x94]
mov ecx, dword [esp + 0x94]
cmp ecx, 0x1b
jb 0x423f90
lea esi, [esp + 0x13a]
lea edx, [esp + 0x18]
mov ecx, 5
mov edi, esi
xchg esi, edx
rep movsd dword es:[edi], dword [esi]
xchg esi, edx
lea edi, [esp + 0x14e]
xor ecx, ecx
xchg esi, eax
rep movsw word es:[edi], word [esi]
xchg esi, eax
lea edi, [esp + 0x90]
push edi
push 0
push 0
push 9
push esi
push 0
call dword [0x4477dc]
mov ebx, dword [esp + 0x90]
test ebx, ebx
jns 0x424035
mov eax, 0xffffffff
jmp 0x424038
lea eax, [ebx + ebx]
push eax
call fcn.00408cc0
add esp, 4
push edi
push ebx
mov dword [esp + 0x84], eax
push eax
push 9
push esi
push 0
call dword [0x4477dc]
mov dword [esp + 0x18], 0x3b933972
mov dword [esp + 0x1c], 0x3f993daf
mov dword [esp + 0x20], 0x23b221af
mov dword [esp + 0x24], 0x27242586
lea eax, [esp + 0x28]
mov dword [esp + 0x14], eax
mov dword [esp + 0x28], 0
mov byte [esp + 0x2c], 0
mov dword [esp + 0x94], 0
mov eax, dword [esp + 0x94]
cmp eax, 0x14
ja 0x42412a
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, dword [esp + 0x94]
mov ecx, dword [esp + 0x94]
movzx esi, byte [esp + ecx + 0x18]
lea ecx, [eax + 0x182ec307]
mov edi, ecx
and edi, esi
mov ebx, ecx
xor ebx, esi
or ecx, esi
mov edx, 0xe7d13cf8
sub edx, eax
or edx, esi
xor ecx, ebx
lea esi, [ebx + edi*2]
add edx, eax
add edx, ecx
sub esi, edx
add esi, 0xe7d13cf8
mov dword [esp + 0xc8], esi
mov eax, dword [esp + 0xc8]
mov ecx, eax
or ecx, 0xce
and eax, 0xce
add eax, ecx
inc al
mov ecx, dword [esp + 0x94]
mov byte [esp + ecx + 0x18], al
inc dword [esp + 0x94]
mov eax, dword [esp + 0x94]
cmp eax, 0x15
jb 0x4240b0
lea edi, [esp + 0x12a]
lea edx, [esp + 0x18]
mov ecx, 4
xchg esi, edx
rep movsd dword es:[edi], dword [esi]
xchg esi, edx
lea edi, [esp + 0x13a]
xor ecx, ecx
mov eax, dword [esp + 0x14]
xchg esi, eax
rep movsw word es:[edi], word [esi]
xchg esi, eax
mov dword [esp + 0x18], 0x23bb219a
mov dword [esp + 0x1c], 0x1f811daf
mov dword [esp + 0x20], 0x1b8a198f
mov dword [esp + 0x24], 0x17a91586
mov dword [esp + 0x28], 0x138611b5
mov dword [esp + 0x2c], 0xf9e0db1
mov dword [esp + 0x30], 0xb080985
lea esi, [esp + 0x34]
mov dword [esp + 0x34], 0
mov dword [esp + 0x38], 0
mov byte [esp + 0x3c], 0
mov dword [esp + 0x94], 0
mov ecx, dword [esp + 0x94]
cmp ecx, 0x24
ja 0x424217
nop
nop
nop
nop
nop
nop
mov ecx, dword [esp + 0x94]
mov edx, dword [esp + 0x94]
movzx edx, byte [esp + edx + 0x18]
lea edi, [ecx + edx]
add edi, 0xd69b2db
add ecx, 0xd69b2db
and ecx, edx
add ecx, ecx
sub edi, ecx
mov dword [esp + 0xc8], edi
mov ecx, dword [esp + 0xc8]
add cl, 3
mov edx, dword [esp + 0x94]
mov byte [esp + edx + 0x18], cl
inc dword [esp + 0x94]
mov ecx, dword [esp + 0x94]
cmp ecx, 0x25
jb 0x4241c0
lea edx, [esp + 0x94]
lea ebx, [esp + 0x18]
mov edi, edx
mov ecx, 7
xchg esi, ebx
rep movsd dword es:[edi], dword [esi]
xchg esi, ebx
lea edi, [esp + 0xb0]
xor ecx, ecx
xchg esi, esi
rep movsw word es:[edi], word [esi]
xchg esi, esi
mov dword [esp + 0x18], 0xc373c50a
mov dword [esp + 0x1c], 0xcf6dc17f
mov dword [esp + 0x20], 0xcb72cd7f
mov dword [esp + 0x24], 0xd718c966
mov dword [esp + 0x28], 0xd31ad50a
lea ebx, [esp + 0x2c]
mov dword [esp + 0x2c], 0xd1d2
mov byte [esp + 0x30], 0
mov dword [esp + 0x100], 0
mov ecx, dword [esp + 0x100]
cmp ecx, 0x18
ja 0x4242e7
nop
mov ecx, dword [esp + 0x100]
mov esi, dword [esp + 0x100]
movzx esi, byte [esp + esi + 0x18]
lea edi, [ecx + esi]
add ecx, 0xa1
and ecx, esi
add ecx, ecx
sub edi, ecx
add edi, 0xa914b0a1
mov dword [esp + 0xc8], edi
mov ecx, dword [esp + 0xc8]
add cl, 0x99
mov esi, dword [esp + 0x100]
mov byte [esp + esi + 0x18], cl
inc dword [esp + 0x100]
mov ecx, dword [esp + 0x100]
cmp ecx, 0x19
jb 0x424290
lea esi, [esp + 0x14e]
lea eax, [esp + 0x18]
mov ecx, 5
mov edi, esi
xchg esi, eax
rep movsd dword es:[edi], dword [esi]
xchg esi, eax
lea edi, [esp + 0x162]
mov ecx, 1
xchg esi, ebx
rep movsw word es:[edi], word [esi]
xchg esi, ebx
lea eax, [esp + 0x12a]
mov dword [esp + 0x11c], eax
mov dword [esp + 0x120], edx
mov dword [esp + 0x124], esi
mov eax, dword [esp + 0x7c]
add eax, 2
mov dword [esp + 0xbc], eax
mov dword [esp + 0x88], 0
mov eax, dword [0x443af0]
xor ebx, ebx
nop
nop
nop
nop
jmp eax