Function at 0x1801b1c20
Capabilities:
Encode data using xor

Disassembly:
push rbx
push rdi
push r14
push r15
mov eax, 0x58
call fcn.180227e80
sub rsp, rax
mov rax, qword [rcx + 0x178]
mov rbx, rcx
mov qword [rsp + 0x30], rax
mov r14, r9
mov rax, qword [rcx + 0x180]
mov r15, r8
mov rcx, qword [rcx + 0x38]
mov rdi, rdx
mov qword [rsp + 0x28], rax
add rcx, r9
movabs rax, 0xfffffffe0
cmp rcx, rax
ja 0x1801b1fbd
cmp rcx, r9
jb 0x1801b1fbd
mov qword [rsp + 0x88], rbp
mov ebp, dword [rbx + 0x170]
mov qword [rsp + 0x48], r12
xor r12d, r12d
mov qword [rbx + 0x38], rcx
mov dword [rsp + 0x80], ebp
cmp dword [rbx + 0x174], r12d
je 0x1801b1ce9
lea rcx, [rbx + 0x40]
test r9, r9
jne 0x1801b1cc5
lea rdx, [rbx + 0x60]
call fcn.1801b31b0
xor eax, eax
mov dword [rbx + 0x174], r12d
jmp 0x1801b1fa5
movups xmm0, xmmword [rcx]
mov ebp, reloc.WS2_32.dll_recv
mov dword [rsp + 0x80], ebp
movups xmmword [rbx + 0x188], xmm0
mov qword [rcx], r12
mov qword [rbx + 0x48], r12
mov dword [rbx + 0x174], r12d
movzx eax, byte [rbx + 0xd]
mov qword [rsp + 0x50], rsi
movzx esi, byte [rbx + 0xc]
shl esi, 8
or esi, eax
mov qword [rsp + 0x40], r13
movzx eax, byte [rbx + 0xe]
mov r13d, ebp
shl esi, 8
or esi, eax
movzx eax, byte [rbx + 0xf]
shl esi, 8
or esi, eax
and r13d, 0xf
mov dword [rsp + 0x20], r13d
je 0x1801b1d89
test r14, r14
je 0x1801b1d5b
movzx ecx, byte [rdi]
dec r14
mov eax, ebp
inc rdi
inc ebp
mov byte [rax + rbx + 0x188], cl
xor cl, byte [r13 + rbx + 0x10]
mov byte [r15], cl
inc r15
inc r13d
and r13d, 0xf
mov dword [rsp + 0x20], r13d
jne 0x1801b1d20
lea rax, [rbx + 0x188]
jmp 0x1801b1d6b
lea rax, [rbx + 0x188]
test r13d, r13d
jne 0x1801b1f93
lea rdx, [rbx + 0x60]
mov r9d, ebp
lea rcx, [rbx + 0x40]
mov r8, rax
call fcn.1801b2ff0
mov ebp, r12d
mov dword [rsp + 0x80], r12d
lea rcx, [rbx + 0x60]
cmp r14, 0x10
jb 0x1801b1db8
test ebp, ebp
je 0x1801b1db8
mov rdx, rcx
mov r9d, ebp
lea rcx, [rbx + 0x40]
lea r8, [rbx + 0x188]
call fcn.1801b2ff0
mov ebp, r12d
mov dword [rsp + 0x80], r12d
cmp r14, 0xc00
jb 0x1801b1e7e
movabs rax, 0xaaaaaaaaaaaaaaab
mul r14
shr rdx, 0xb
imul rax, rdx, 0xfffffffffffff400
mov qword [rsp + 0x38], rdx
add r14, rax
mov qword [rsp + 0x98], r14
nop dword [rax]
mov r9d, 0xc00
lea rdx, [rbx + 0x60]
mov r8, rdi
lea rcx, [rbx + 0x40]
call fcn.1801b2ff0
mov r14, qword [rsp + 0x30]
mov r13d, 0xc0
mov r8, qword [rsp + 0x28]
lea rdx, [rbx + 0x10]
mov rcx, rbx
call r14
inc esi
mov byte [rbx + 0xf], sil
mov eax, esi
shr eax, 0x18
mov byte [rbx + 0xc], al
mov eax, esi
shr eax, 0x10
mov byte [rbx + 0xd], al
mov eax, esi
shr eax, 8
mov byte [rbx + 0xe], al
mov rax, qword [rdi]
xor rax, qword [rbx + 0x10]
mov qword [r15], rax
mov rax, qword [rdi + 8]
add rdi, 0x10
xor rax, qword [rbx + 0x18]
mov qword [r15 + 8], rax
add r15, 0x10
sub r13, 1
jne 0x1801b1e11
sub qword [rsp + 0x38], 1
jne 0x1801b1df0
mov r14, qword [rsp + 0x98]
mov ebp, dword [rsp + 0x80]
mov r13d, dword [rsp + 0x20]
mov r9, r14
and r9, 0xfffffffffffffff0
je 0x1801b1f32
mov r8, rdi
lea rdx, [rbx + 0x60]
lea rcx, [rbx + 0x40]
call fcn.1801b2ff0
cmp r14, 0x10
jb 0x1801b1f32
mov rbp, qword [rsp + 0x30]
mov r13, r14
shr r13, 4
imul rax, r13, 0xfffffffffffffff0
add r14, rax
mov qword [rsp + 0x98], r14
mov r14, qword [rsp + 0x28]
nop word [rax + rax]
mov r8, r14
lea rdx, [rbx + 0x10]
mov rcx, rbx
call rbp
inc esi
mov byte [rbx + 0xf], sil
mov eax, esi
shr eax, 0x18
mov byte [rbx + 0xc], al
mov eax, esi
shr eax, 0x10
mov byte [rbx + 0xd], al
mov eax, esi
shr eax, 8
mov byte [rbx + 0xe], al
mov rax, qword [rbx + 0x10]
xor rax, qword [rdi]
mov qword [r15], rax
mov rax, qword [rdi + 8]
add rdi, 0x10
xor rax, qword [rbx + 0x18]
mov qword [r15 + 8], rax
add r15, 0x10
sub r13, 1
jne 0x1801b1ed0
mov r14, qword [rsp + 0x98]
mov ebp, dword [rsp + 0x80]
mov r13d, dword [rsp + 0x20]
test r14, r14
je 0x1801b1f93
mov r8, qword [rsp + 0x28]
lea rdx, [rbx + 0x10]
mov rcx, rbx
call qword [rsp + gethostbyaddr]
inc esi
mov eax, esi
mov byte [rbx + 0xf], sil
shr eax, 0x18
mov byte [rbx + 0xc], al
mov eax, esi
shr eax, 0x10
mov byte [rbx + 0xd], al
mov eax, esi
shr eax, 8
mov byte [rbx + 0xe], al
nop word [rax + rax]
mov edx, r13d
inc r13d
mov eax, ebp
inc ebp
movzx ecx, byte [rdx + rdi]
mov byte [rax + rbx + 0x188], cl
xor cl, byte [rdx + rbx + 0x10]
mov byte [rdx + r15], cl
sub r14, 1
jne 0x1801b1f70
mov rsi, qword [rsp + 0x50]
xor eax, eax
mov r13, qword [rsp + 0x40]
mov dword [rbx + 0x170], ebp
mov rbp, qword [rsp + 0x88]
mov r12, qword [rsp + 0x48]
add rsp, 0x58
pop r15
pop r14
pop rdi
pop rbx
ret
mov eax, 0xffffffff
add rsp, 0x58
pop r15
pop r14
pop rdi
pop rbx
ret