Function at 0x4afdf0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
mov esi, eax
push ebx
and esp, 0xfffffff0
sub esp, 0xa0
fld xword [ebp + 8]
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x100
je 0x4afff0
fld st(0)
fstp xword [esp + 0x60]
movzx edi, word [esp + 0x68]
test di, di
js 0x4afea0
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x500
je 0x4b0348
fstp xword [esp + 0x50]
mov edx, dword [esp + 0x54]
mov eax, dword [esp + 0x50]
mov ecx, edx
mov dword [esp + 0x48], eax
mov edx, eax
mov dword [esp + 0x4c], ecx
and di, 0x7fff
jne 0x4afeb0
mov eax, ecx
or eax, edx
je 0x4b0010
mov eax, edx
mov edx, ecx
test ecx, ecx
js 0x4b041c
mov ecx, 0xffffc001
lea esi, [esi]
shld edx, eax, 1
mov edi, ecx
add eax, eax
sub ecx, 1
test edx, edx
jns 0x4afe78
mov dword [esp + 0x48], eax
mov dword [esp + 0x4c], edx
mov ebx, dword [esi + 0xc]
cmp ebx, 0xe
ja 0x4aff4f
jmp 0x4afee2
or dword [esi + 4], 0x80
jmp 0x4afe27
mov ebx, dword [esi + 0xc]
sub di, 0x3fff
cmp ebx, 0xe
ja 0x4b0028
mov edx, dword [esp + 0x4c]
mov eax, dword [esp + 0x48]
test edx, edx
js 0x4afee2
lea esi, [esi]
shld edx, eax, 1
add eax, eax
test edx, edx
jns 0x4afed0
mov dword [esp + 0x48], eax
mov dword [esp + 0x4c], edx
mov ecx, 0xe
mov eax, 4
xor edx, edx
sub ecx, ebx
shl ecx, 2
shld edx, eax, cl
shl eax, cl
test cl, 0x20
je 0x4aff01
mov edx, eax
xor eax, eax
mov dword [esp + 0x40], eax
mov eax, dword [esp + 0x48]
mov dword [esp + 0x44], edx
mov edx, dword [esp + 0x4c]
shrd eax, edx, 1
shr edx, 1
add eax, dword [esp + 0x40]
adc edx, dword [esp + 0x44]
test edx, edx
js 0x4b0380
shld edx, eax, 1
add eax, eax
mov ecx, 0xf
sub ecx, ebx
xor ebx, ebx
shl ecx, 2
shrd eax, edx, cl
shr edx, cl
and ecx, 0x20
cmovne eax, edx
cmovne edx, ebx
mov dword [esp + 0x48], eax
mov dword [esp + 0x4c], edx
mov eax, dword [esi + 4]
lea ebx, [esp + 0x88]
mov word [esp + 0x34], di
mov dword [esp + 0x40], ebx
mov edx, eax
mov ecx, eax
mov dword [esp + 0x38], eax
mov eax, dword [esp + 0x48]
and edx, 0x800
and ecx, 0x20
mov dword [esp + 0x48], esi
mov dword [esp + 0x2c], edx
mov edx, dword [esp + 0x4c]
mov byte [esp + 0x3c], cl
jmp 0x4affb3
cmp ebx, dword [esp + 0x40]
ja 0x4affa1
mov edi, dword [esp + 0x48]
mov esi, dword [edi + 0xc]
test esi, esi
js 0x4affa9
add ecx, 0x30
mov byte [ebx], cl
add ebx, 1
mov edi, edx
or edi, eax
je 0x4b02e8
mov edi, eax
mov ecx, eax
and edi, 0xfffffff0
and ecx, 0xf
or edi, edx
je 0x4b0260
mov edi, dword [esp + 0x48]
shrd eax, edx, 4
shr edx, 4
mov esi, dword [edi + 0xc]
test esi, esi
jle 0x4affdd
sub esi, 1
mov dword [edi + 0xc], esi
test ecx, ecx
je 0x4aff90
cmp ecx, 9
jbe 0x4affa1
add ecx, 0x37
or cl, byte [esp + 0x3c]
jmp 0x4affa4
fstp st(0)
lea esp, [ebp - 0xc]
mov ecx, esi
mov edx, 0x57b88b
xor eax, eax
pop ebx
pop esi
pop edi
pop ebp
jmp fcn.004aeab0
mov ebx, dword [esi + 0xc]
cmp ebx, 0xe
ja 0x4b003a
mov eax, dword [esp + 0x48]
mov edx, dword [esp + 0x4c]
jmp 0x4afed0
mov ecx, dword [esp + 0x4c]
mov edx, dword [esp + 0x48]
mov eax, ecx
or eax, edx
jne 0x4aff4f
mov eax, dword [esi + 4]
mov dword [esp + 0x38], eax
lea eax, [esp + 0x88]
mov dword [esp + 0x40], eax
mov eax, dword [esi + 0xc]
test eax, eax
jle 0x4b03f8
mov byte [esp + 0x88], 0x2e
lea eax, [esp + 0x89]
mov byte [eax], 0x30
lea ebx, [eax + 1]
mov eax, dword [esi + 8]
mov dword [esp + 0x34], eax
test eax, eax
jle 0x4b030a
movsx edx, di
mov eax, ebx
sub eax, dword [esp + 0x40]
mov dword [esp + 0x48], edx
mov edx, dword [esi + 0xc]
test edx, edx
lea ecx, [eax + edx]
mov edx, dword [esp + 0x38]
cmovg eax, ecx
mov ecx, 0x66666667
and edx, 0x1c0
mov edi, eax
mov eax, dword [esp + 0x48]
cmp edx, 1
sbb edi, 0xfffffffa
imul ecx
mov eax, dword [esp + 0x48]
sar eax, 0x1f
mov ecx, edx
sar ecx, 2
sub ecx, eax
je 0x4b040f
mov dword [esp + 0x3c], ebx
mov dword [esp + 0x30], esi
mov esi, edi
nop
mov eax, 0x66666667
add edi, 1
imul ecx
mov eax, ecx
lea ebx, [edi + 2]
sar eax, 0x1f
sub ebx, esi
sar edx, 2
sub edx, eax
mov ecx, edx
jne 0x4b00d0
movsx eax, bx
mov ebx, dword [esp + 0x3c]
mov esi, dword [esp + 0x30]
mov dword [esp + 0x3c], eax
mov eax, dword [esp + 0x34]
cmp eax, edi
jle 0x4b0338
sub eax, edi
test dword [esp + 0x38], 0x600
je 0x4b03a8
mov dword [esi + 8], eax
test byte [esp + 0x38], 0x80
jne 0x4b0324
test dword [esp + 0x38], 0x100
jne 0x4b0368
test byte [esp + 0x38], 0x40
jne 0x4b0390
mov edx, esi
mov eax, 0x30
call fcn.004ae750
mov eax, dword [esi + 4]
mov edx, esi
and eax, 0x20
or eax, 0x58
call fcn.004ae750
mov eax, dword [esi + 8]
test eax, eax
jle 0x4b0189
test byte [esi + 5], 2
je 0x4b0189
sub eax, 1
mov dword [esi + 8], eax
nop
mov edx, esi
mov eax, 0x30
call fcn.004ae750
mov eax, dword [esi + 8]
lea edx, [eax - 1]
mov dword [esi + 8], edx
test eax, eax
jg 0x4b0170
mov edi, dword [esp + 0x40]
cmp ebx, dword [esp + 0x40]
ja 0x4b01ae
jmp 0x4b01dc
movzx eax, word [esi + 0x1c]
mov word [esp + 0x78], ax
test ax, ax
jne 0x4b02d0
cmp ebx, edi
je 0x4b01dc
movsx eax, byte [ebx - 1]
sub ebx, 1
cmp eax, 0x2e
je 0x4b0250
cmp eax, 0x2c
je 0x4b0198
mov edx, esi
call fcn.004ae750
jmp 0x4b01aa
mov edx, esi
mov eax, 0x30
call fcn.004ae750
mov eax, dword [esi + 0xc]
lea edx, [eax - 1]
mov dword [esi + 0xc], edx
test eax, eax
jg 0x4b01d0
mov eax, dword [esi + 4]
mov edx, esi
and eax, 0x20
or eax, 0x50
call fcn.004ae750
mov eax, dword [esp + 0x3c]
add dword [esi + 8], eax
mov eax, dword [esp + 0x48]
or dword [esi + 4], 0x1c0
mov dword [esp + 0x10], esi
cdq
mov dword [esp + 0x78], eax
mov dword [esp + 0x7c], edx
mov ecx, edx
mov dword [esp], eax
mov eax, dword [esp + 0x7c]
sar ecx, 0x1f
mov dword [esp + 0x80], ecx
mov dword [esp + 0x84], ecx
mov dword [esp + 4], eax
mov dword [esp + 8], ecx
mov dword [esp + 0xc], ecx
call fcn.004af0e0
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret
mov eax, esi
call fcn.004af4d0
jmp 0x4b01aa
cmp ebx, dword [esp + 0x40]
ja 0x4b0280
mov edi, dword [esp + 0x2c]
test edi, edi
jne 0x4b0280
mov esi, dword [esp + 0x48]
mov esi, dword [esi + 0xc]
test esi, esi
jle 0x4b0286
lea esi, [esi]
mov byte [ebx], 0x2e
add ebx, 1
mov esi, eax
xor esi, 1
mov edi, esi
movzx esi, word [esp + 0x34]
sub esi, 1
or edi, edx
je 0x4b03e8
mov dword [esp + 0x30], ebx
mov ebx, ecx
lea esi, [esi]
nop
shrd eax, edx, 1
shr edx, 1
mov edi, esi
mov ecx, eax
lea esi, [edi - 1]
xor ecx, 1
or ecx, edx
jne 0x4b02a8
mov ecx, ebx
mov word [esp + 0x34], di
mov ebx, dword [esp + 0x30]
xor eax, eax
xor edx, edx
jmp 0x4affdd
mov ecx, esi
mov edx, 1
lea eax, [esp + 0x78]
call fcn.004ae7b0
jmp 0x4b01aa
movzx edi, word [esp + 0x34]
mov esi, dword [esp + 0x48]
cmp ebx, dword [esp + 0x40]
je 0x4b004c
mov eax, dword [esi + 8]
mov dword [esp + 0x34], eax
test eax, eax
jg 0x4b007b
movsx eax, di
mov dword [esp + 0x3c], 2
mov dword [esp + 0x48], eax
test byte [esp + 0x38], 0x80
je 0x4b0126
mov edx, esi
mov eax, 0x2d
call fcn.004ae750
jmp 0x4b013f
mov dword [esi + 8], 0xffffffff
jmp 0x4b011b
fstp st(0)
lea esp, [ebp - 0xc]
mov eax, edi
mov ecx, esi
mov edx, 0x57b88f
pop ebx
and eax, 0x8000
pop esi
pop edi
pop ebp
jmp fcn.004aeab0
mov edx, esi
mov eax, 0x2b
call fcn.004ae750
jmp 0x4b013f
add edi, 1
jmp 0x4aff2d
mov edx, esi
mov eax, 0x20
call fcn.004ae750
jmp 0x4b013f
lea edx, [eax - 1]
mov dword [esi + 8], edx
test eax, eax
jle 0x4b011b
lea esi, [esi]
lea esi, [esi]
mov edx, esi
mov eax, 0x20
call fcn.004ae750
mov eax, dword [esi + 8]
lea edx, [eax - 1]
mov dword [esi + 8], edx
test eax, eax
jg 0x4b03c0
mov eax, dword [esi + 4]
mov dword [esp + 0x38], eax
jmp 0x4b011b
xor eax, eax
xor edx, edx
jmp 0x4affdd
mov eax, dword [esp + 0x40]
test dword [esp + 0x38], 0x800
je 0x4b0066
jmp 0x4b0057
mov dword [esp + 0x3c], 2
jmp 0x4b00fc
mov edi, 0xffffc002
jmp 0x4afe8f