Function at 0x1400213b0
Capabilities:
Encode data using xor

Disassembly:
mov qword [rsp + 0x20], r9
push rbx
push rsi
push rdi
push r14
push r15
mov eax, gethostbyname
call fcn.14016b7e0
sub rsp, rax
mov r15, qword [rsp + 0x88]
mov r10, r9
mov rdi, r8
mov rsi, rdx
mov r14, rcx
mov ebx, dword [r15]
test ebx, ebx
jns 0x1400213f7
mov dword [r15], 0xffffffff
add rsp, 0x30
pop r15
pop r14
pop rdi
pop rsi
pop rbx
ret
cmp dword [rsp + 0x90], 0
mov qword [rsp + 0x60], rbp
mov rbp, qword [rsp + 0x80]
mov qword [rsp + 0x28], r12
mov qword [rsp + 0x20], r13
je 0x14002152e
test ebx, ebx
je 0x140021444
test rdi, rdi
je 0x140021444
movzx eax, byte [r14]
dec rdi
mov ecx, ebx
inc r14
xor byte [rcx + rbp], al
movzx eax, byte [rcx + rbp]
mov byte [rsi], al
inc rsi
inc ebx
and ebx, 0xf
jne 0x140021420
mov r9, qword [rsp + 0x98]
cmp rdi, 0x10
jb 0x1400214f4
mov r15, rsi
mov r13, rdi
shr r13, 4
mov r12, r14
imul rax, r13, 0xfffffffffffffff0
sub r15, rbp
sub r12, rbp
add rdi, rax
mov rax, r13
shl rax, 4
add rsi, rax
mov qword [rsp + 0x68], rsi
add r14, rax
mov rsi, qword [rsp + 0x78]
nop word [rax + rax]
mov r8, rsi
mov rdx, rbp
mov rcx, rbp
call r9
cmp ebx, 0x10
jae 0x1400214ca
mov edx, reloc.WS2_32.dll_ntohs
mov ecx, ebx
sub edx, ebx
add rcx, rbp
shr edx, 3
inc edx
mov rax, qword [r12 + rcx]
xor qword [rcx], rax
mov rax, qword [rcx]
mov qword [r15 + rcx], rax
lea rcx, [rcx + 8]
sub rdx, 1
jne 0x1400214b2
mov r9, qword [rsp + 0x98]
add r15, 0x10
add r12, 0x10
xor ebx, ebx
sub r13, 1
jne 0x140021490
mov rsi, qword [rsp + 0x68]
mov r10, qword [rsp + 0x78]
mov r15, qword [rsp + 0x88]
test rdi, rdi
je 0x14002163b
mov r8, r10
mov rdx, rbp
mov rcx, rbp
call r9
nop dword [rax]
mov ecx, ebx
inc ebx
movzx eax, byte [rcx + r14]
xor byte [rcx + rbp], al
movzx eax, byte [rcx + rbp]
mov byte [rcx + rsi], al
sub rdi, 1
jne 0x140021510
jmp 0x14002163b
test ebx, ebx
je 0x140021558
test rdi, rdi
je 0x140021558
movzx edx, byte [r14]
dec rdi
mov ecx, ebx
inc r14
movzx eax, dl
xor al, byte [rcx + rbp]
mov byte [rsi], al
inc rsi
inc ebx
mov byte [rcx + rbp], dl
and ebx, 0xf
jne 0x140021532
mov r13, qword [rsp + 0x98]
cmp rdi, 0x10
jb 0x140021606
mov r12, rdi
mov r15, rsi
shr r12, 4
sub r15, rbp
imul rax, r12, 0xfffffffffffffff0
add rdi, rax
mov qword [rsp + 0x70], rdi
mov rdi, qword [rsp + 0x78]
nop dword [rax + rax]
mov r8, rdi
mov rdx, rbp
mov rcx, rbp
call r13
cmp ebx, 0x10
jae 0x1400215e0
mov r9d, reloc.WS2_32.dll_ntohs
mov r8d, ebx
sub r9d, ebx
mov r10, r14
shr r9d, 3
add r8, rbp
sub r10, rsi
inc r9d
nop dword [rax]
lea rcx, [r15 + r8]
mov rdx, qword [rcx + r10]
lea r8, [r8 + 8]
mov rax, rdx
xor rax, qword [r8 - 8]
mov qword [rcx], rax
mov qword [r8 - 8], rdx
sub r9, 1
jne 0x1400215c0
add rsi, 0x10
add r15, 0x10
add r14, 0x10
xor ebx, ebx
sub r12, 1
jne 0x140021590
mov rdi, qword [rsp + 0x70]
mov r10, qword [rsp + 0x78]
mov r15, qword [rsp + 0x88]
test rdi, rdi
je 0x14002163b
mov r8, r10
mov rdx, rbp
mov rcx, rbp
call r13
nop word [rax + rax]
mov ecx, ebx
inc ebx
movzx edx, byte [rcx + r14]
movzx eax, dl
xor al, byte [rcx + rbp]
mov byte [rcx + rsi], al
mov byte [rcx + rbp], dl
sub rdi, 1
jne 0x140021620
mov dword [r15], ebx
mov r12, qword [rsp + 0x28]
mov rbp, qword [rsp + 0x60]
mov r13, qword [rsp + 0x20]
add rsp, 0x30
pop r15
pop r14
pop rdi
pop rsi
pop rbx
ret