Function at 0x41b610
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff8
sub esp, 0x20
cmp dword [ecx], 0xffffffff
je 0x41b662
mov ah, byte [ebp + 0x18]
mov al, byte [ebp + 0x14]
movzx edx, byte [ebp + 0x10]
mov ebx, dword [ebp + 0xc]
and dl, 0xf
shl al, 7
or al, dl
mov byte [esp + 6], al
mov al, ah
shl al, 7
mov dword [esp + 0xc], 0
mov dword [esp + 8], 0
cmp ebx, 0x7d
mov dword [esp + 0x18], ecx
ja 0x41b669
or al, bl
mov byte [esp + 7], al
xor esi, esi
jmp 0x41b6b7
xor ebx, ebx
jmp 0x41b891
cmp ebx, 0xffff
ja 0x41b69c
mov ecx, eax
add cl, 0x80
xor al, 0x81
or al, cl
not al
mov byte [esp + 7], al
mov eax, ebx
rol ax, 8
movzx eax, ax
mov dword [esp + 8], eax
mov dword [esp + 0xc], 0
mov esi, 2
jmp 0x41b6b7
or al, 0x7f
mov byte [esp + 7], al
mov eax, ebx
bswap eax
mov dword [esp + 0xc], eax
mov dword [esp + 8], 0
mov esi, 8
lea eax, [ebx + 0xe]
push eax
call fcn.00407fa0
add esp, 4
mov ebx, eax
lea eax, [esp + 6]
mov edx, eax
mov edi, ebx
xor ecx, ecx
xchg esi, edx
rep movsd dword es:[edi], dword [esi]
xchg esi, edx
mov edi, ebx
mov ecx, 1
xchg esi, eax
rep movsw word es:[edi], word [esi]
xchg esi, eax
lea eax, [ebx + 2]
cmp dword [ebp + 0xc], 0x7e
mov dword [esp + 0x14], ebx
jb 0x41b721
mov ecx, esi
shr ecx, 2
lea edx, [esp + 8]
mov edi, eax
xchg esi, edx
rep movsd dword es:[edi], dword [esi]
xchg esi, edx
mov ecx, esi
and ecx, 0xfffffff8
add eax, ecx
lea edx, [esp + ecx]
add edx, 8
mov ecx, esi
shr ecx, 1
and ecx, 1
mov edi, eax
xchg esi, edx
rep movsw word es:[edi], word [esi]
xchg esi, edx
and esi, 2
add eax, esi
movzx ecx, byte [ebp + 0x18]
mov esi, dword [ebp + 8]
test cl, cl
je 0x41b789
mov edx, dword [ebp + 0x1c]
mov esi, edx
mov edi, eax
mov ecx, 1
xchg esi, esi
rep movsd dword es:[edi], dword [esi]
xchg esi, esi
lea esi, [eax + 4]
lea ebx, [edx + 4]
xor ecx, ecx
mov edi, esi
xchg esi, ebx
rep movsw word es:[edi], word [esi]
xchg esi, ebx
cmp byte [edx], 0
jne 0x41b76a
cmp byte [edx + 1], 0
jne 0x41b76a
cmp byte [edx + 2], 0
jne 0x41b76a
cmp byte [edx + 3], 0
je 0x41b89d
mov edx, dword [ebp + 0xc]
test edx, edx
je 0x41b820
movzx ecx, byte [esi]
mov edi, edx
and edi, 3
cmp edx, 4
jae 0x41b7ce
xor ebx, ebx
jmp 0x41b808
mov ebx, dword [ebp + 0xc]
mov ecx, ebx
shr ecx, 2
mov edx, esi
mov edi, eax
xchg esi, edx
rep movsd dword es:[edi], dword [esi]
xchg esi, edx
mov edx, ebx
and edx, 0xfffffffc
add eax, edx
add edx, esi
mov ecx, ebx
shr ecx, 1
and ecx, 1
mov esi, edx
mov edi, eax
xchg esi, esi
rep movsw word es:[edi], word [esi]
xchg esi, esi
mov ecx, ebx
and ecx, 2
mov esi, eax
add esi, ecx
test bl, 1
je 0x41b820
add edx, ecx
movzx eax, byte [edx]
mov byte [esi], al
inc esi
jmp 0x41b820
mov dword [esp + 0x10], esi
and edx, 0xfffffffc
xor ebx, ebx
mov esi, eax
mov eax, dword [ebp + 0x1c]
nop
nop
nop
nop
xor cl, byte [eax]
mov byte [esi + ebx + 5], cl
xor cl, byte [eax + 1]
mov byte [esi + ebx + 6], cl
xor cl, byte [eax + 2]
mov byte [esi + ebx + 7], cl
xor cl, byte [eax + 3]
mov byte [esi + ebx + 8], cl
add ebx, 4
cmp edx, ebx
jne 0x41b7e0
mov esi, dword [esp + 0x10]
add esi, ebx
test edi, edi
mov edx, dword [ebp + 0x1c]
je 0x41b820
nop
mov eax, ebx
and eax, 3
xor cl, byte [edx + eax]
mov byte [esi + 1], cl
inc esi
inc ebx
dec edi
jne 0x41b810
mov edi, dword [esp + 0x14]
sub esi, edi
push 0x12007ce3
push dword [0x443f88]
call fcn.00439000
add esp, 8
push 0
push esi
push edi
mov esi, dword [esp + 0x24]
push dword [esi]
call eax
cmp eax, 0xffffffff
setne bl
jne 0x41b888
cmp dword [esi], 0xffffffff
je 0x41b888
push 0x4f80c377
push dword [0x443f88]
call fcn.00439000
add esp, 8
push 2
push dword [esi]
call eax
push 0xa2994af6
push dword [0x443f88]
call fcn.00439000
add esp, 8
push dword [esi]
call eax
mov dword [esi], 0xffffffff
push edi
call fcn.00407fb0
add esp, 4
mov eax, ebx
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret 0x18
mov ebx, dword [ebp + 0xc]
mov ecx, ebx
shr ecx, 2
mov eax, dword [ebp + 8]
mov edi, esi
xchg esi, eax
rep movsd dword es:[edi], dword [esi]
xchg esi, eax
mov edx, ebx
and edx, 0xfffffffc
add esi, edx
add edx, dword [ebp + 8]
mov ecx, ebx
shr ecx, 1
and ecx, 1
mov eax, edx
mov edi, esi
xchg esi, eax
rep movsw word es:[edi], word [esi]
xchg esi, eax
mov eax, ebx
and eax, 2
add esi, eax
test bl, 1
je 0x41b820
add edx, eax
jmp 0x41b7c6