Function at 0x409a00
Capabilities:
Encode data using xor

Disassembly:
push ebp
push ebx
push edi
push esi
sub esp, 0x34
mov esi, 1
mov ebp, 2
xor eax, eax
mov edx, dword [esp + 0x48]
jmp 0x409a23
inc esi
inc ebp
inc eax
mov ch, byte [edx + eax]
movzx edi, ch
lea ebx, [edi - 9]
cmp ebx, 5
jb 0x409a20
cmp edi, 0x20
je 0x409a20
mov dword [esp + 0x1c], ebp
mov byte [esp + 7], ch
add ch, 0xd5
xor ebx, ebx
test ch, 0xfd
sete bl
add ebx, edx
mov dword [esp + 0x10], ebx
xor ebp, ebp
mov ebx, 0xffffffff
jmp 0x409a65
mov edi, ebx
inc ebp
mov ebx, edi
mov ecx, dword [esp + 0x10]
lea edi, [ecx + ebp]
mov dword [esp + 0x28], edi
movzx ecx, byte [esi + edi - 1]
lea edi, [ecx - 0x30]
cmp edi, 0xa
jb 0x409a60
mov dword [esp + 0x20], ecx
cmp ecx, 0x2e
jne 0x409a8c
mov edi, ebp
test ebx, ebx
js 0x409a62
mov edi, ebx
test ebx, ebx
setns cl
jns 0x409a97
mov edi, ebp
xor ebx, ebx
mov bl, cl
mov ecx, ebp
sub ecx, ebx
je 0x409af8
neg ebx
cmp ecx, 9
mov dword [esp + 0x18], ebp
mov dword [esp + 0x14], edi
mov dword [esp + 8], ebx
jle 0x409b18
mov dword [esp + 0xc], ecx
lea edx, [ecx - 0xa]
mov ebx, dword [esp + 0x10]
lea edi, [ebx + esi]
mov ch, byte [ebx + esi - 1]
cmp ch, 0x2e
jne 0x409ad3
mov ch, byte [edi]
mov edi, dword [esp + 0x1c]
add edi, ebx
mov dword [esp], edi
movsx edi, ch
add edi, 0xffffffd0
test edx, edx
je 0x409c0a
mov ecx, dword [esp]
movzx edx, byte [ecx]
cmp dl, 0x2e
jne 0x409b36
movzx edx, byte [ecx + 1]
add ecx, 2
jmp 0x409b37
mov eax, dword [esp + 0x4c]
test eax, eax
je 0x409b02
mov dword [eax], edx
fldz
fld st(0)
fchs
cmp byte [esp + 7], 0x2d
jne 0x409dd4
jmp 0x409dda
mov edx, ebx
fldz
test ecx, ecx
mov ebx, dword [esp + 0x10]
jle 0x409b2f
lea ecx, [ebx + eax]
mov dword [esp], ecx
jmp 0x409c16
fld st(0)
jmp 0x409c80
inc ecx
mov dword [esp], ecx
lea edi, [edi + edi*4]
movsx edx, dl
lea edi, [edx + edi*2]
add edi, 0xffffffd0
mov ecx, dword [esp + 0xc]
cmp ecx, 0xc
jl 0x409c0a
add ecx, 0xfffffff4
mov dword [esp + 0x24], ecx
mov edx, dword [esp]
mov ch, byte [edx]
cmp ch, 0x2e
jne 0x409b6c
mov ch, byte [edx + 1]
add edx, 2
jmp 0x409b6d
inc edx
mov dword [esp], edx
lea edi, [edi + edi*4]
movsx edx, ch
lea edi, [edx + edi*2]
add edi, 0xffffffd0
cmp dword [esp + 0x24], 0
je 0x409c0a
mov ecx, dword [esp]
movzx edx, byte [ecx]
cmp dl, 0x2e
jne 0x409b9b
movzx edx, byte [ecx + 1]
add ecx, 2
jmp 0x409b9c
inc ecx
mov dword [esp], ecx
lea edi, [edi + edi*4]
movsx edx, dl
lea edi, [edx + edi*2]
add edi, 0xffffffd0
mov ecx, dword [esp + 0xc]
cmp ecx, 0xe
jl 0x409c0a
add ecx, 0xfffffff2
mov dword [esp + 0xc], ecx
mov ecx, dword [esp]
movzx edx, byte [ecx]
cmp dl, 0x2e
jne 0x409bcf
movzx edx, byte [ecx + 1]
add ecx, 2
jmp 0x409bd0
inc ecx
mov dword [esp], ecx
lea edi, [edi + edi*4]
movsx edx, dl
lea edi, [edx + edi*2]
add edi, 0xffffffd0
cmp dword [esp + 0xc], 0
je 0x409c0a
mov ecx, dword [esp]
movzx edx, byte [ecx]
cmp dl, 0x2e
jne 0x409bfa
movzx edx, byte [ecx + 1]
add ecx, 2
jmp 0x409bfb
inc ecx
mov dword [esp], ecx
lea edi, [edi + edi*4]
movsx edx, dl
lea edi, [edx + edi*2]
add edi, 0xffffffd0
mov edx, dword [esp + 8]
mov dword [esp + 0x30], edi
fild dword [esp + 0x30]
add edx, ebp
cmp edx, 9
jl 0x409c22
mov edx, 9
inc edx
xor edi, edi
jmp 0x409c67
mov ch, byte [ebx + 1]
add ebx, 2
mov dword [esp], ebx
mov ebx, edi
and ebx, 0xfffffff5
mov ebp, edi
and ebp, 0xa
or edi, 0xa
imul edi, ebp
xor ebp, 0xa
imul ebp, ebx
movsx ebx, ch
add edi, ebp
add edi, ebx
add edi, 0xffffffd0
dec edx
cmp edx, 1
mov ebx, dword [esp + 0x10]
mov ebp, dword [esp + 0x18]
jle 0x409c74
mov ebx, dword [esp]
mov ch, byte [ebx]
cmp ch, 0x2e
je 0x409c30
inc ebx
jmp 0x409c36
mov dword [esp + 0x2c], edi
fild dword [esp + 0x2c]
mov edi, dword [esp + 0x14]
mov ecx, dword [esp + 0x20]
fxch st(1)
fmul dword [str._knN]
faddp st(1)
or ecx, 0x20
cmp ecx, 0x65
jne 0x409caa
mov eax, dword [esp + 0x28]
movzx edx, byte [esi + eax]
mov eax, edx
add al, 0xd5
test al, 0xfd
je 0x409cb2
add ebx, esi
jmp 0x409cb6
add eax, ebp
add ebx, eax
xor eax, eax
jmp 0x409d11
add ebx, dword [esp + 0x1c]
mov eax, ebx
lea esi, [ebx + ebp]
mov edi, ebp
mov ebp, esi
movzx ebx, byte [ebx + edi]
lea esi, [ebx - 0x30]
xor eax, eax
cmp esi, 9
ja 0x409d00
xor eax, eax
nop
mov edi, eax
and edi, 0xa
mov esi, eax
or eax, 0xa
imul eax, edi
xor edi, 0xa
and esi, 0xfffffff5
imul esi, edi
movsx edi, bl
add edi, eax
lea eax, [esi + edi]
add eax, 0xffffffd0
movzx ebx, byte [ebp + 1]
inc ebp
mov esi, ebx
add esi, 0xffffffd0
cmp esi, 0xa
jb 0x409cd0
mov ebx, ebp
cmp dl, 0x2d
jne 0x409d09
neg eax
mov ebp, dword [esp + 0x18]
mov edi, dword [esp + 0x14]
mov edx, dword [esp + 8]
mov ecx, ebx
add edx, ebp
cmp edx, 0x10
jge 0x409d23
mov edx, 0xf
add edi, eax
add edi, edx
mov eax, edi
mov ebx, dword [esp + 8]
sub eax, ebx
sub eax, ebp
add eax, 0xfffffff1
mov esi, eax
sar esi, 0x1f
mov edx, eax
xor edx, esi
sub edx, esi
cmp edx, 0x200
jb 0x409d65
mov edx, 0x1ff
mov esi, dword [esp + 0x50]
test esi, esi
je 0x409d5a
mov dword [esi], 0x22
mov ebx, ecx
movzx ecx, byte [esp + 7]
fldz
jmp 0x409d7a
sub ebx, edi
lea esi, [ebx + ebp]
add esi, 0xf
fld1
test esi, esi
mov ebx, ecx
movzx ecx, byte [esp + 7]
je 0x409da9
fstp st(0)
fld1
mov esi, 0x43a2d0
mov edi, ebx
jmp 0x409da0
mov ebx, edx
shr ebx, 1
add esi, 8
cmp edx, 2
mov edx, ebx
mov ebx, edi
jb 0x409da9
test dl, 1
je 0x409d90
fmul qword [esi]
jmp 0x409d90
fld st(1)
fmul st(1)
test eax, eax
jns 0x409dbd
fstp st(0)
fdivp st(1)
fldz
fldz
fxch st(1)
fxch st(2)
fstp st(2)
fstp st(0)
mov eax, dword [esp + 0x4c]
test eax, eax
je 0x409dcb
mov dword [eax], ebx
fld st(0)
fchs
cmp cl, 0x2d
je 0x409dda
fstp st(0)
fldz
fxch st(1)
fstp st(1)
add esp, 0x34
pop esi
pop edi
pop ebx
pop ebp
ret