Function at 0x1bb900
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff8
sub esp, 0x30
mov dword [esp + 0x10], 0xb2b5b4b7
mov dword [esp + 0x14], 0
mov byte [esp + 0x18], 0
mov dword [esp + 4], 0
mov eax, dword [esp + 4]
cmp eax, 8
ja 0x1bb98a
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
mov eax, dword [esp + 4]
mov ecx, dword [esp + 4]
movzx ecx, byte [esp + ecx + 0x10]
lea edx, [eax + ecx]
add edx, 0x2eec1bb9
add eax, 0xb9
and eax, ecx
add eax, eax
mov ecx, eax
xor ecx, edx
not eax
and eax, edx
add eax, eax
sub eax, ecx
mov dword [esp + 0xc], eax
mov eax, dword [esp + 0xc]
add al, 0xf1
mov ecx, dword [esp + 4]
mov byte [esp + ecx + 0x10], al
inc dword [esp + 4]
mov eax, dword [esp + 4]
cmp eax, 9
jb 0x1bb940
mov edi, dword [esp + 0x10]
mov eax, dword [0x1c91d8]
test eax, eax
je 0x1bb9d9
xor ecx, ecx
mov edx, dword [0x1c91dc]
nop
cmp dword [edx + ecx*8], 0xc58dd7f7
je 0x1bb9b0
inc ecx
cmp eax, ecx
jne 0x1bb9a0
jmp 0x1bb9d9
mov eax, dword [edx + ecx*8 + 4]
cmp eax, edi
je 0x1bb9d9
lea ecx, [esp + 8]
push ecx
push 0
push 0
push 2
push dword [ebp + 8]
push 5
push dword [0x1c91e0]
push eax
call fcn.001b8180
add esp, 0x20
mov edi, eax
cmp edi, 0xc0000023
jne 0x1bbc1c
push dword [esp + 8]
call fcn.001b5f70
add esp, 4
mov esi, eax
mov eax, dword [esp + 8]
mov dword [esp + 0x10], 0xb2b5b4b7
mov dword [esp + 0x14], 0
mov byte [esp + 0x18], 0
mov dword [esp + 4], 0
mov ecx, dword [esp + 4]
cmp ecx, 8
ja 0x1bba6c
nop
nop
nop
mov ecx, dword [esp + 4]
mov edx, dword [esp + 4]
movzx edx, byte [esp + edx + 0x10]
lea edi, [ecx + edx]
add edi, 0x2eec1bb9
add ecx, 0xb9
and ecx, edx
add ecx, ecx
mov edx, ecx
xor edx, edi
not ecx
and ecx, edi
add ecx, ecx
sub ecx, edx
mov dword [esp + 0xc], ecx
mov ecx, dword [esp + 0xc]
add cl, 0xf1
mov edx, dword [esp + 4]
mov byte [esp + edx + 0x10], cl
inc dword [esp + 4]
mov ecx, dword [esp + 4]
cmp ecx, 9
jb 0x1bba20
mov edi, dword [esp + 0x10]
mov ecx, dword [0x1c91d8]
test ecx, ecx
je 0x1bbac7
xor edx, edx
mov ebx, dword [0x1c91dc]
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
cmp dword [ebx + edx*8], 0xc58dd7f7
je 0x1bbaa0
inc edx
cmp ecx, edx
jne 0x1bba90
jmp 0x1bbac7
mov ecx, dword [ebx + edx*8 + 4]
cmp ecx, edi
je 0x1bbac7
lea edx, [esp + 8]
push edx
push eax
push esi
push 2
push dword [ebp + 8]
push 5
push dword [0x1c91e0]
push ecx
call fcn.001b8180
add esp, 0x20
mov edi, eax
test edi, edi
js 0x1bbc13
mov ebx, dword [ebp + 0x14]
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0x1bbbc8
mov edx, dword [ebp + 0xc]
test edx, edx
je 0x1bbbc1
mov eax, dword [esi + 0x10]
shr eax, 1
mov ebx, dword [ecx]
cmp ebx, eax
jb 0x1bbaf5
mov ebx, eax
test ebx, ebx
mov dword [esp + 0x28], esi
je 0x1bbbb5
mov eax, ebx
mov dword [esp + 0x24], edi
mov ebx, esi
add ebx, 0x2c
mov edi, eax
and edi, 3
je 0x1bbb46
mov dword [esp + 0x20], eax
xor ecx, ecx
nop
nop
nop
nop
nop
nop
nop
movzx esi, word [ebx]
xor eax, eax
test si, si
setne al
lea ebx, [ebx + eax*2]
mov word [edx], si
add edx, 2
inc ecx
cmp edi, ecx
jne 0x1bbb20
mov eax, dword [esp + 0x20]
mov esi, eax
sub esi, ecx
mov ecx, dword [ebp + 0x10]
jmp 0x1bbb48
mov esi, eax
cmp eax, 4
mov edi, dword [esp + 0x24]
jb 0x1bbbb5
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
movzx ecx, word [ebx]
xor eax, eax
test cx, cx
setne al
mov word [edx], cx
lea ecx, [ebx + eax*2]
movzx eax, word [ebx + eax*2]
xor ebx, ebx
test ax, ax
setne bl
mov word [edx + 2], ax
lea eax, [ecx + ebx*2]
movzx ecx, word [ecx + ebx*2]
xor ebx, ebx
test cx, cx
setne bl
mov word [edx + 4], cx
lea ecx, [eax + ebx*2]
movzx eax, word [eax + ebx*2]
xor ebx, ebx
test ax, ax
setne bl
lea ebx, [ecx + ebx*2]
mov word [edx + 6], ax
add edx, 8
add esi, 0xfffffffc
jne 0x1bbb60
mov ecx, dword [ebp + 0x10]
mov word [edx], 0
mov esi, dword [esp + 0x28]
mov ebx, dword [ebp + 0x14]
mov eax, dword [esi + 0x10]
shr eax, 1
mov dword [ecx], eax
mov ecx, dword [ebp + 0x18]
test ebx, ebx
je 0x1bbbd4
mov eax, dword [esi + 0x14]
mov dword [ebx], eax
mov eax, dword [ebp + 0x1c]
test ecx, ecx
je 0x1bbbe2
mov edx, dword [esi + 0x18]
shr edx, 1
mov dword [ecx], edx
mov ecx, dword [ebp + 0x20]
test eax, eax
je 0x1bbbf0
mov edx, dword [esi + 0x1c]
shr edx, 1
mov dword [eax], edx
mov eax, dword [ebp + 0x24]
test ecx, ecx
je 0x1bbbfc
mov edx, dword [esi + 0x20]
mov dword [ecx], edx
mov ecx, dword [ebp + 0x28]
test eax, eax
je 0x1bbc0a
mov edx, dword [esi + 0x24]
shr edx, 1
mov dword [eax], edx
test ecx, ecx
je 0x1bbc13
mov eax, dword [esi + 0x28]
mov dword [ecx], eax
push esi
call fcn.001b60c0
add esp, 4
mov eax, edi
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret