Function at 0x561b90
Capabilities:
Encode data using xor

Disassembly:
push ebp
push edi
push esi
push ebx
mov ebx, eax
sub esp, 0x7c
fld xword [esp + 0x90]
fld st(0)
fstp xword [esp + 0x48]
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x100
je 0x562081
fld st(0)
fstp xword [esp + 0x30]
movzx edx, word [esp + 0x38]
test dx, dx
jns 0x561bd0
or dword [ebx + 4], 0x80
fxam
wait
fnstsw ax
and ax, 0x4500
cmp ax, 0x500
je 0x5620b1
and dx, 0x7fff
mov word [esp + 0x18], dx
jne 0x561c50
fstp xword [esp + 0x20]
mov ebp, dword [esp + 0x24]
mov edi, dword [esp + 0x20]
mov edx, ebp
mov dword [esp], edi
mov dword [esp + 4], ebp
or edx, edi
je 0x561da0
test ebp, ebp
js 0x56217a
mov esi, edi
mov eax, 0xffffc001
mov edi, ebp
lea esi, [esi]
shld edi, esi, 1
mov edx, eax
add esi, esi
sub eax, 1
test edi, edi
jns 0x561c20
mov dword [esp], esi
mov dword [esp + 4], edi
mov word [esp + 0x18], dx
mov ebp, dword [ebx + 0xc]
cmp ebp, 0xe
ja 0x561cf2
jmp 0x561c91
fstp st(0)
mov ebp, dword [ebx + 0xc]
mov eax, dword [esp + 0x48]
mov edx, dword [esp + 0x4c]
sub word [esp + 0x18], 0x3fff
cmp ebp, 0xe
mov dword [esp], eax
mov dword [esp + 4], edx
ja 0x561dc0
test edx, edx
js 0x561c91
mov esi, eax
mov edi, edx
lea esi, [esi]
shld edi, esi, 1
add esi, esi
test edi, edi
jns 0x561c80
mov dword [esp], esi
mov dword [esp + 4], edi
mov ecx, 0xe
mov eax, 4
xor edx, edx
sub ecx, ebp
xor esi, esi
mov edi, dword [esp + 4]
shl ecx, 2
shld edx, eax, cl
shl eax, cl
test cl, 0x20
cmovne edx, eax
cmovne eax, esi
mov esi, dword [esp]
shrd esi, edi, 1
shr edi, 1
add esi, eax
adc edi, edx
test edi, edi
js 0x5620d0
shld edi, esi, 1
add esi, esi
mov ecx, 0xf
xor eax, eax
sub ecx, ebp
shl ecx, 2
shrd esi, edi, cl
shr edi, cl
test cl, 0x20
cmovne esi, edi
cmovne edi, eax
mov dword [esp], esi
mov dword [esp + 4], edi
mov eax, dword [ebx + 4]
mov dword [esp + 0x14], eax
lea eax, [esp + 0x58]
mov esi, dword [esp]
mov dword [esp], ebx
mov dword [esp + 0x10], eax
mov ebp, eax
mov eax, dword [esp + 0x14]
mov edi, eax
and eax, 0x20
and edi, 0x800
mov byte [esp + 0x1b], al
mov dword [esp + 0x1c], edi
mov edi, dword [esp + 4]
jmp 0x561d55
xor eax, eax
cmp ebp, dword [esp + 0x10]
ja 0x561d42
mov ebx, dword [esp]
mov ecx, dword [ebx + 0xc]
test ecx, ecx
js 0x561d4b
lea ecx, [eax + 0x30]
mov byte [ebp], cl
add ebp, 1
mov edx, edi
or edx, esi
je 0x562030
mov ecx, esi
mov dword [esp + 0xc], 0
and ecx, 0xf
mov ebx, ecx
mov dword [esp + 8], ecx
xor ebx, esi
mov eax, ebx
or eax, edi
je 0x561fa0
mov edx, dword [esp]
shrd esi, edi, 4
shr edi, 4
mov eax, dword [edx + 0xc]
test eax, eax
jle 0x561d8b
sub eax, 1
mov dword [edx + 0xc], eax
test ecx, ecx
je 0x561d30
cmp ecx, 9
mov eax, ecx
jbe 0x561d42
add ecx, 0x37
or cl, byte [esp + 0x1b]
jmp 0x561d45
mov ebp, dword [ebx + 0xc]
cmp ebp, 0xe
ja 0x562140
mov esi, dword [esp]
mov edi, dword [esp + 4]
jmp 0x561c80
mov ebp, dword [esp + 4]
mov edi, dword [esp]
mov eax, dword [ebx + 4]
mov edx, ebp
or edx, edi
mov dword [esp + 0x14], eax
jne 0x561cf9
lea eax, [esp + 0x58]
mov dword [esp + 0x10], eax
mov edx, dword [ebx + 0xc]
test edx, edx
jle 0x562150
lea eax, [esp + 0x59]
mov byte [esp + 0x58], 0x2e
lea ebp, [eax + 1]
mov byte [eax], 0x30
mov eax, dword [ebx + 8]
test eax, eax
mov dword [esp + 8], eax
jle 0x56204c
mov eax, ebp
sub eax, dword [esp + 0x10]
mov edx, dword [ebx + 0xc]
movsx esi, word [esp + 0x18]
test edx, edx
lea ecx, [eax + edx]
mov dword [esp], esi
cmovg eax, ecx
xor edx, edx
test dword [esp + 0x14], 0x1c0
mov ecx, 0x66666667
setne dl
lea edi, [eax + edx + 5]
mov eax, esi
imul ecx
mov eax, esi
sar eax, 0x1f
mov ecx, edx
sar ecx, 2
sub ecx, eax
je 0x562170
mov esi, 2
mov eax, 0x66666667
add edi, 1
add esi, 1
imul ecx
sar ecx, 0x1f
sar edx, 2
sub edx, ecx
mov ecx, edx
jne 0x561e53
movsx esi, si
mov eax, dword [esp + 8]
cmp eax, edi
jle 0x562075
sub eax, edi
test dword [esp + 0x14], 0x600
je 0x5620f0
mov dword [ebx + 8], eax
test byte [esp + 0x14], 0x80
jne 0x562064
test dword [esp + 0x14], 0x100
jne 0x5620a0
test byte [esp + 0x14], 0x40
jne 0x562125
mov edx, ebx
mov eax, 0x30
call fcn.005609a0
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x58
call fcn.005609a0
mov eax, dword [ebx + 8]
test eax, eax
jle 0x561efa
test byte [ebx + 5], 2
je 0x561efa
sub eax, 1
mov dword [ebx + 8], eax
mov edx, ebx
mov eax, 0x30
call fcn.005609a0
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x561ee1
cmp ebp, dword [esp + 0x10]
mov edi, dword [esp + 0x10]
ja 0x561f34
jmp 0x561f5e
movzx eax, word [ebx + 0x1c]
test ax, ax
mov word [esp + 0x46], ax
je 0x561f30
lea eax, [esp + 0x46]
mov ecx, ebx
mov edx, 1
call fcn.00560a00
nop
cmp ebp, edi
je 0x561f5e
sub ebp, 1
movsx eax, byte [ebp]
cmp eax, 0x2e
je 0x562020
cmp eax, 0x2c
je 0x561f10
mov edx, ebx
call fcn.005609a0
jmp 0x561f30
mov edx, ebx
mov eax, 0x30
call fcn.005609a0
mov eax, dword [ebx + 0xc]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 0xc], edx
jg 0x561f52
mov eax, dword [ebx + 4]
mov edx, ebx
and eax, 0x20
or eax, 0x50
call fcn.005609a0
add dword [ebx + 8], esi
mov eax, dword [esp]
mov ecx, ebx
or dword [ebx + 4], 0x1c0
cdq
call fcn.00561200
add esp, 0x7c
pop ebx
pop esi
pop edi
pop ebp
ret
cmp ebp, dword [esp + 0x10]
ja 0x561fc0
mov eax, dword [esp + 0x1c]
test eax, eax
jne 0x561fc0
mov eax, dword [esp]
mov eax, dword [eax + 0xc]
test eax, eax
jle 0x561fc7
nop
lea esi, [esi]
mov byte [ebp], 0x2e
add ebp, 1
mov eax, esi
mov esi, edi
movzx edi, word [esp + 0x18]
xor eax, 1
or eax, esi
lea ebx, [edi - 1]
je 0x5620e0
mov dword [esp + 8], ebp
mov eax, ecx
xor edx, edx
mov ebp, ecx
nop
lea esi, [esi]
shrd eax, edx, 1
shr edx, 1
mov esi, ebx
mov edi, eax
mov ecx, edx
lea ebx, [esi - 1]
xor edi, 1
or ecx, edi
jne 0x561ff0
mov ecx, ebp
mov word [esp + 0x18], si
mov ebp, dword [esp + 8]
xor esi, esi
xor edi, edi
jmp 0x561d8b
mov eax, ebx
call fcn.00560ce0
jmp 0x561f30
cmp ebp, dword [esp + 0x10]
mov ebx, dword [esp]
je 0x561de0
mov eax, dword [ebx + 8]
test eax, eax
mov dword [esp + 8], eax
jg 0x561e09
movsx eax, word [esp + 0x18]
test byte [esp + 0x14], 0x80
mov esi, 2
mov dword [esp], eax
je 0x561e99
mov edx, ebx
mov eax, 0x2d
call fcn.005609a0
jmp 0x561eb2
mov dword [ebx + 8], 0xffffffff
jmp 0x561e8e
fstp st(0)
mov ecx, ebx
mov edx, 0x70129f
xor eax, eax
call fcn.00560c40
add esp, 0x7c
pop ebx
pop esi
pop edi
pop ebp
ret
mov edx, ebx
mov eax, 0x2b
call fcn.005609a0
jmp 0x561eb2
fstp st(0)
mov eax, edx
mov ecx, ebx
mov edx, 0x7012a3
and eax, 0x8000
call fcn.00560c40
add esp, 0x7c
pop ebx
pop esi
pop edi
pop ebp
ret
add word [esp + 0x18], 1
jmp 0x561cd1
xor esi, esi
xor edi, edi
jmp 0x561d8b
sub eax, 1
mov dword [ebx + 8], eax
lea esi, [esi]
lea edi, [edi]
mov edx, ebx
mov eax, 0x20
call fcn.005609a0
mov eax, dword [ebx + 8]
lea edx, [eax - 1]
test eax, eax
mov dword [ebx + 8], edx
jg 0x562100
mov eax, dword [ebx + 4]
mov dword [esp + 0x14], eax
jmp 0x561e8e
mov edx, ebx
mov eax, 0x20
call fcn.005609a0
jmp 0x561eb2
mov eax, dword [ebx + 4]
mov dword [esp + 0x14], eax
jmp 0x561dd8
test dword [esp + 0x14], 0x800
mov eax, dword [esp + 0x10]
je 0x561df4
jmp 0x561deb
mov esi, 2
jmp 0x561e6f
mov eax, 0xffffc002
mov word [esp + 0x18], ax
jmp 0x561c3b