Function at 0x1801cb860
Capabilities:
Encode data using xor

Disassembly:
push rbx
push rsi
push r12
push r15
sub rsp, 0x58
mov rax, qword [rcx + 0x180]
mov rbx, rcx
mov rcx, qword [rcx + 0x38]
mov qword [rsp + 0x30], rax
add rcx, r9
movabs rax, 0xfffffffe0
mov rsi, r9
mov r15, r8
mov r12, rdx
cmp rcx, rax
ja 0x1801cbb0d
cmp rcx, r9
jb 0x1801cbb0d
cmp dword [rbx + 0x174], 0
mov qword [rsp + 0x88], rbp
mov qword [rbx + 0x38], rcx
mov qword [rsp + 0x40], r14
je 0x1801cb8d7
lea rdx, [rbx + 0x60]
lea rcx, [rbx + 0x40]
call fcn.1801cc220
mov dword [rbx + 0x174], 0
movzx eax, byte [rbx + 0xd]
mov ebp, dword [rbx + 0x170]
movzx r14d, byte [rbx + 0xc]
shl r14d, 8
mov dword [rsp + 0x80], ebp
or r14d, eax
movzx eax, byte [rbx + 0xe]
shl r14d, 8
or r14d, eax
movzx eax, byte [rbx + 0xf]
shl r14d, 8
or r14d, eax
test ebp, ebp
je 0x1801cb957
nop
test rsi, rsi
je 0x1801cb942
mov ecx, ebp
inc r15
inc r12
movzx eax, byte [rcx + rbx + 0x10]
dec rsi
xor al, byte [r12 - 1]
mov byte [r15 - 1], al
xor byte [rcx + rbx + 0x40], al
inc ebp
and ebp, 0xf
mov dword [rsp + 0x80], ebp
jne 0x1801cb910
jmp 0x1801cb94a
test ebp, ebp
jne 0x1801cbaed
lea rdx, [rbx + 0x60]
lea rcx, [rbx + 0x40]
call fcn.1801cc220
mov r10, qword [rsp + 0xa0]
mov qword [rsp + 0x50], rdi
mov qword [rsp + 0x48], r13
cmp rsi, 0xc00
jb 0x1801cba1e
movabs rax, 0xaaaaaaaaaaaaaaab
mul rsi
mov rdi, rdx
shr rdi, 0xb
imul rax, rdi, 0xfffffffffffff400
add rsi, rax
mov qword [rsp + 0x98], rsi
mov rsi, qword [rsp + 0x30]
mov r9, rsi
mov r8d, 0xc0
mov rdx, r15
mov rcx, r12
mov qword [rsp + 0x20], rbx
call r10
add r14d, 0xc0
lea rdx, [rbx + 0x60]
mov eax, r14d
lea rcx, [rbx + 0x40]
mov r9d, 0xc00
shr eax, 0x18
mov r8, r15
mov byte [rbx + 0xf], r14b
mov byte [rbx + 0xc], al
mov eax, r14d
shr eax, 0x10
mov byte [rbx + 0xd], al
mov eax, r14d
shr eax, 8
mov byte [rbx + 0xe], al
call fcn.1801cc050
mov r10, qword [rsp + 0xa0]
add r15, 0xc00
add r12, 0xc00
dec rdi
jne 0x1801cb9a1
mov rsi, qword [rsp + 0x98]
mov ebp, dword [rsp + 0x80]
mov r13, rsi
and r13, 0xfffffffffffffff0
je 0x1801cba82
mov r9, qword [rsp + 0x30]
mov rdi, r13
mov rdx, r15
shr rdi, 4
mov rcx, r12
mov qword [rsp + 0x20], rbx
mov r8, rdi
call r10
add r14d, edi
lea rdx, [rbx + 0x60]
mov eax, r14d
lea rcx, [rbx + 0x40]
mov r9, r13
shr eax, 0x18
mov r8, r15
mov byte [rbx + 0xf], r14b
mov byte [rbx + 0xc], al
mov eax, r14d
add r12, r13
shr eax, 0x10
sub rsi, r13
mov byte [rbx + 0xd], al
mov eax, r14d
shr eax, 8
mov byte [rbx + 0xe], al
call fcn.1801cc050
add r15, r13
mov r13, qword [rsp + 0x48]
mov rdi, qword [rsp + 0x50]
test rsi, rsi
je 0x1801cbaed
mov r8, qword [rsp + 0x30]
lea rdx, [rbx + 0x10]
mov rcx, rbx
call qword [rbx + 0x178]
inc r14d
mov eax, r14d
mov byte [rbx + 0xf], r14b
shr eax, 0x18
mov byte [rbx + 0xc], al
mov eax, r14d
shr eax, 0x10
mov byte [rbx + 0xd], al
mov eax, r14d
shr eax, 8
mov byte [rbx + 0xe], al
nop word [rax + rax]
mov ecx, ebp
inc ebp
movzx edx, byte [rcx + r12]
movzx eax, byte [rcx + rbx + 0x10]
xor edx, eax
mov byte [rcx + r15], dl
xor byte [rcx + rbx + 0x40], dl
dec rsi
jne 0x1801cbad0
mov r14, qword [rsp + 0x40]
mov dword [rbx + 0x170], ebp
mov rbp, qword [rsp + 0x88]
xor eax, eax
add rsp, 0x58
pop r15
pop r12
pop rsi
pop rbx
ret
or eax, 0xffffffff
add rsp, 0x58
pop r15
pop r12
pop rsi
pop rbx
ret