Function at 0x404a10
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
push ebx
mov edi, eax
sub esp, 0x7c
fld xword [ebp + 8]
fld st(0)
fstp xword [ebp - 0x40]
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x100
je 0x404ffc
movzx ecx, word [ebp - 0x38]
mov ebx, ecx
and ebx, 0x8000
jne 0x404c30
fxam
wait
fnstsw ax
fstp st(0)
and ax, 0x4500
cmp ax, 0x500
je 0x40501a
and cx, 0x7fff
je 0x404c40
lea eax, [ecx - 0x3fff]
mov ebx, dword [ebp - 0x40]
mov esi, dword [ebp - 0x3c]
mov ecx, eax
mov word [ebp - 0x62], ax
mov eax, dword [edi + 0xc]
cmp eax, 0xe
mov dword [ebp - 0x4c], eax
ja 0x404fbf
test esi, esi
js 0x404a9e
lea esi, [esi]
shld esi, ebx, 1
add ebx, ebx
test esi, esi
jns 0x404a90
mov word [ebp - 0x62], cx
mov ecx, 0xe
sub ecx, dword [ebp - 0x4c]
mov eax, 4
xor edx, edx
shrd ebx, esi, 1
shr esi, 1
shl ecx, 2
shld edx, eax, cl
shl eax, cl
test cl, 0x20
je 0x404ac4
mov edx, eax
xor eax, eax
add eax, ebx
adc edx, esi
test edx, edx
js 0x404ff2
shld edx, eax, 1
add eax, eax
mov ecx, 0xf
sub ecx, dword [ebp - 0x4c]
shl ecx, 2
shrd eax, edx, cl
shr edx, cl
test cl, 0x20
je 0x404aef
mov eax, edx
xor edx, edx
mov ebx, eax
mov esi, edx
mov eax, dword [edi + 4]
lea edx, [ebp - 0x2a]
mov dword [ebp - 0x58], edi
mov dword [ebp - 0x54], edx
mov dword [ebp - 0x50], edx
mov edx, eax
mov dword [ebp - 0x68], eax
and eax, 0x20
and edx, 0x800
mov byte [ebp - 0x63], al
mov dword [ebp - 0x6c], edx
jmp 0x404b6f
mov eax, dword [ebp - 0x58]
mov eax, dword [eax + 0xc]
test eax, eax
jle 0x404b33
mov edx, dword [ebp - 0x58]
sub eax, 1
mov dword [edx + 0xc], eax
mov eax, dword [ebp - 0x50]
shrd ebx, esi, 4
shr esi, 4
mov dword [ebp - 0x4c], eax
test edi, edi
je 0x404c04
mov eax, dword [ebp - 0x4c]
add eax, 1
cmp edi, 9
mov dword [ebp - 0x50], eax
jle 0x404c23
lea eax, [edi + 0x37]
or al, byte [ebp - 0x63]
mov edx, dword [ebp - 0x4c]
mov byte [edx], al
mov eax, esi
or eax, ebx
je 0x404c90
mov edi, ebx
and edi, 0xf
mov eax, edi
mov dword [ebp - 0x60], edi
cdq
mov ecx, edx
mov dword [ebp - 0x5c], edx
xor ecx, esi
mov edx, ecx
mov ecx, edi
xor ecx, ebx
mov eax, ecx
mov ecx, edx
or ecx, eax
jne 0x404b20
mov ecx, dword [ebp - 0x50]
mov eax, dword [ebp - 0x54]
cmp ecx, eax
ja 0x404bb0
mov eax, dword [ebp - 0x6c]
test eax, eax
jne 0x404bb0
mov eax, dword [ebp - 0x58]
mov dword [ebp - 0x4c], ecx
mov eax, dword [eax + 0xc]
test eax, eax
jle 0x404bbc
lea esi, [esi]
mov ecx, dword [ebp - 0x50]
lea eax, [ecx + 1]
mov byte [ecx], 0x2e
mov dword [ebp - 0x4c], eax
mov ecx, ebx
xor ecx, 1
or ecx, esi
je 0x404f58
movzx ebx, word [ebp - 0x62]
mov eax, dword [ebp - 0x60]
mov edx, dword [ebp - 0x5c]
sub ebx, 1
lea esi, [esi]
lea edi, [edi]
shrd eax, edx, 1
shr edx, 1
mov ecx, ebx
mov esi, eax
lea ebx, [ecx - 1]
xor esi, 1
or esi, edx
jne 0x404be0
xor ebx, ebx
xor esi, esi
test edi, edi
mov word [ebp - 0x62], cx
jne 0x404b48
mov edx, dword [ebp - 0x54]
cmp dword [ebp - 0x4c], edx
ja 0x404c1a
mov eax, dword [ebp - 0x58]
mov eax, dword [eax + 0xc]
test eax, eax
js 0x404d73
mov eax, dword [ebp - 0x4c]
add eax, 1
mov dword [ebp - 0x50], eax
lea eax, [edi + 0x30]
jmp 0x404b60
or dword [edi + 4], 0x80
jmp 0x404a48
mov edx, dword [ebp - 0x3c]
mov eax, dword [ebp - 0x40]
mov esi, edx
or esi, eax
je 0x404f61
test edx, edx
js 0x405044
mov ecx, 0xffffc001
lea esi, [esi]
shld edx, eax, 1
mov ebx, ecx
add eax, eax
sub ecx, 1
test edx, edx
jns 0x404c60
mov word [ebp - 0x62], bx
mov esi, edx
mov ebx, eax
mov eax, dword [edi + 0xc]
cmp eax, 0xe
mov dword [ebp - 0x4c], eax
ja 0x404af3
jmp 0x404a9e
mov edx, dword [ebp - 0x54]
cmp dword [ebp - 0x50], edx
mov edi, dword [ebp - 0x58]
je 0x405039
mov eax, dword [edi + 8]
test eax, eax
mov dword [ebp - 0x58], eax
jle 0x404f45
movsx edx, word [ebp - 0x62]
mov eax, dword [ebp - 0x50]
sub eax, dword [ebp - 0x54]
mov dword [ebp - 0x4c], edx
mov edx, dword [edi + 0xc]
test edx, edx
jle 0x404cc3
add eax, edx
mov edx, dword [ebp - 0x68]
mov ecx, 0x66666667
and edx, 0x1c0
cmp edx, 1
sbb edx, edx
lea esi, [eax + edx + 6]
mov eax, dword [ebp - 0x4c]
imul ecx
mov eax, dword [ebp - 0x4c]
sar edx, 2
sar eax, 0x1f
mov ecx, edx
sub ecx, eax
je 0x40502d
mov ebx, 2
mov esi, esi
lea edi, [edi]
mov eax, 0x66666667
add esi, 1
add ebx, 1
imul ecx
sar ecx, 0x1f
sar edx, 2
sub edx, ecx
mov ecx, edx
jne 0x404d00
movsx eax, bx
mov dword [ebp - 0x60], eax
mov eax, dword [ebp - 0x58]
cmp eax, esi
jle 0x404d80
sub eax, esi
test dword [ebp - 0x68], 0x600
jne 0x404fa6
sub eax, 1
mov dword [edi + 8], eax
nop
lea esi, [esi]
mov edx, edi
mov eax, 0x20
call fcn.004038f0
mov eax, dword [edi + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [edi + 8], edx
jg 0x404d40
mov eax, dword [edi + 4]
mov dword [ebp - 0x68], eax
test byte [ebp - 0x68], 0x80
je 0x404d8d
mov edx, edi
mov eax, 0x2d
call fcn.004038f0
jmp 0x404da4
mov eax, dword [ebp - 0x4c]
mov dword [ebp - 0x50], eax
jmp 0x404b65
mov dword [edi + 8], 0xffffffff
test byte [ebp - 0x68], 0x80
jne 0x404d65
test dword [ebp - 0x68], 0x100
jne 0x404fae
test byte [ebp - 0x68], 0x40
jne 0x404fe1
mov edx, edi
mov eax, 0x30
call fcn.004038f0
mov eax, dword [edi + 4]
mov edx, edi
and eax, 0x20
or eax, 0x58
call fcn.004038f0
mov eax, dword [edi + 8]
test eax, eax
jle 0x404dec
test byte [edi + 5], 2
je 0x404dec
sub eax, 1
mov dword [edi + 8], eax
mov edx, edi
mov eax, 0x30
call fcn.004038f0
mov eax, dword [edi + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [edi + 8], edx
jg 0x404dd3
mov edx, dword [ebp - 0x54]
cmp dword [ebp - 0x50], edx
mov ebx, dword [ebp - 0x50]
ja 0x404e10
jmp 0x404eac
mov edx, edi
call fcn.004038f0
cmp ebx, dword [ebp - 0x54]
je 0x404eac
sub ebx, 1
movsx eax, byte [ebx]
cmp eax, 0x2e
jne 0x404e00
cmp dword [edi + 0x10], 0xfffffffd
je 0x404f01
movzx edx, word [edi + 0x14]
test dx, dx
je 0x404ef0
mov eax, dword [edi + 0x10]
mov dword [ebp - 0x50], esp
add eax, 0xf
shr eax, 4
shl eax, 4
call fcn.00402010
sub esp, eax
lea eax, [ebp - 0x44]
mov dword [ebp - 0x44], 0
lea esi, [esp + 0x10]
mov dword [esp + 4], edx
mov dword [esp + 8], eax
mov dword [esp], esi
call sym._wcrtomb
test eax, eax
jle 0x404fd0
add eax, esi
mov dword [ebp - 0x58], ebx
mov ebx, esi
mov esi, eax
mov esi, esi
lea edi, [edi]
add ebx, 1
movsx eax, byte [ebx - 1]
mov edx, edi
call fcn.004038f0
cmp esi, ebx
jne 0x404e80
mov ebx, dword [ebp - 0x58]
mov esp, dword [ebp - 0x50]
jmp 0x404e07
mov edx, edi
mov eax, 0x30
call fcn.004038f0
mov eax, dword [edi + 0xc]
lea edx, [eax - 1]
test eax, eax
mov dword [edi + 0xc], edx
jg 0x404ea0
mov eax, dword [edi + 4]
mov edx, edi
and eax, 0x20
or eax, 0x50
call fcn.004038f0
mov eax, dword [ebp - 0x60]
or dword [edi + 4], 0x1c0
mov ecx, edi
add dword [edi + 8], eax
mov eax, dword [ebp - 0x4c]
cdq
call fcn.00403bf0
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
mov edx, edi
mov eax, 0x2e
call fcn.004038f0
jmp 0x404e07
mov dword [ebp - 0x44], 0
call sym._localeconv
lea edx, [ebp - 0x44]
mov dword [esp + 8], 0x10
mov dword [esp + 0xc], edx
mov eax, dword [eax]
mov dword [esp + 4], eax
lea eax, [ebp - 0x46]
mov dword [esp], eax
call sym._mbrtowc
test eax, eax
jle 0x405011
movzx edx, word [ebp - 0x46]
mov word [edi + 0x14], dx
mov dword [edi + 0x10], eax
jmp 0x404e29
movsx eax, word [ebp - 0x62]
mov dword [ebp - 0x60], 2
mov dword [ebp - 0x4c], eax
jmp 0x404d87
xor ebx, ebx
xor esi, esi
jmp 0x404b40
mov eax, dword [edi + 0xc]
xor ebx, ebx
xor esi, esi
cmp eax, 0xe
mov dword [ebp - 0x4c], eax
jbe 0x404a90
xor edx, edx
mov word [ebp - 0x62], dx
mov eax, dword [edi + 4]
mov dword [ebp - 0x68], eax
lea eax, [ebp - 0x2a]
mov dword [ebp - 0x54], eax
mov ecx, dword [ebp - 0x4c]
test ecx, ecx
jle 0x405056
lea eax, [ebp - 0x29]
mov byte [ebp - 0x2a], 0x2e
lea edx, [eax + 1]
mov byte [eax], 0x30
mov dword [ebp - 0x50], edx
jmp 0x404c9f
mov dword [edi + 8], eax
jmp 0x404d87
mov edx, edi
mov eax, 0x2b
call fcn.004038f0
jmp 0x404da4
mov eax, esi
or eax, ebx
jne 0x404af3
jmp 0x404f7a
mov edx, edi
mov eax, 0x2e
call fcn.004038f0
jmp 0x404e95
mov edx, edi
mov eax, 0x20
call fcn.004038f0
jmp 0x404da4
add word [ebp - 0x62], 1
jmp 0x404ad6
fstp st(0)
mov ecx, edi
mov edx, 0x40b23d
xor eax, eax
call fcn.00403b50
jmp 0x404ee1
movzx edx, word [edi + 0x14]
jmp 0x404f3d
mov ecx, edi
mov edx, 0x40b241
mov eax, ebx
call fcn.00403b50
jmp 0x404ee1
mov dword [ebp - 0x60], 2
jmp 0x404d1f
mov eax, dword [edi + 0xc]
mov dword [ebp - 0x4c], eax
jmp 0x404f86
mov ebx, eax
mov eax, 0xffffc002
mov esi, edx
mov word [ebp - 0x62], ax
jmp 0x404c77
test dword [ebp - 0x68], 0x800
mov eax, dword [ebp - 0x54]
je 0x404f98
jmp 0x404f91