Function at 0x140021d50
Capabilities:
Encode data using xor

Disassembly:
push rbx
push rsi
push r14
push r15
mov eax, 0x58
call fcn.14016b7e0
sub rsp, rax
mov rax, qword [rcx + 0x180]
mov rbx, rcx
mov qword [rsp + 0x30], rax
mov r14, r9
mov rax, qword [rcx + 0x188]
mov r15, r8
mov rcx, qword [rcx + 0x38]
mov rsi, rdx
mov qword [rsp + 0x28], rax
add rcx, r9
movabs rax, 0xfffffffe0
cmp rcx, rax
ja 0x1400220fd
cmp rcx, r9
jb 0x1400220fd
mov qword [rsp + 0x88], rbp
mov ebp, dword [rbx + 0x178]
mov qword [rsp + 0x48], r12
xor r12d, r12d
mov qword [rbx + 0x38], rcx
mov dword [rsp + 0x80], ebp
cmp dword [rbx + 0x17c], r12d
je 0x140021e1a
lea rcx, [rbx + 0x40]
test r9, r9
jne 0x140021df6
lea rdx, [rbx + 0x60]
call qword [rbx + 0x170]
xor eax, eax
mov dword [rbx + 0x17c], r12d
jmp 0x1400220e5
movups xmm0, xmmword [rcx]
mov ebp, reloc.WS2_32.dll_recv
mov dword [rsp + 0x80], ebp
movups xmmword [rbx + 0x190], xmm0
mov qword [rcx], r12
mov qword [rbx + 0x48], r12
mov dword [rbx + 0x17c], r12d
movzx eax, byte [rbx + 0xd]
mov qword [rsp + 0x50], rdi
movzx edi, byte [rbx + 0xc]
shl edi, 8
or edi, eax
mov qword [rsp + 0x40], r13
movzx eax, byte [rbx + 0xe]
mov r13d, ebp
shl edi, 8
or edi, eax
movzx eax, byte [rbx + 0xf]
shl edi, 8
or edi, eax
and r13d, 0xf
mov dword [rsp + 0x20], r13d
je 0x140021ebb
test r14, r14
je 0x140021e8c
movzx ecx, byte [rsi]
dec r14
mov eax, ebp
inc rsi
inc ebp
mov byte [rax + rbx + 0x190], cl
xor cl, byte [r13 + rbx + 0x10]
mov byte [r15], cl
inc r15
inc r13d
and r13d, 0xf
mov dword [rsp + 0x20], r13d
jne 0x140021e51
lea rax, [rbx + 0x190]
jmp 0x140021e9c
lea rax, [rbx + 0x190]
test r13d, r13d
jne 0x1400220d3
lea rdx, [rbx + 0x60]
mov r9d, ebp
lea rcx, [rbx + 0x40]
mov r8, rax
call qword [rbx + 0x168]
mov ebp, r12d
mov dword [rsp + 0x80], r12d
lea rcx, [rbx + 0x60]
cmp r14, 0x10
jb 0x140021eeb
test ebp, ebp
je 0x140021eeb
mov rdx, rcx
mov r9d, ebp
lea rcx, [rbx + 0x40]
lea r8, [rbx + 0x190]
call qword [rbx + 0x168]
mov ebp, r12d
mov dword [rsp + 0x80], r12d
cmp r14, 0xc00
jb 0x140021fc1
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
mov r9d, 0xc00
lea rdx, [rbx + 0x60]
mov r8, rsi
lea rcx, [rbx + 0x40]
call qword [rbx + 0x168]
mov r14, qword [rsp + 0x30]
mov r13d, 0xc0
nop dword [rax]
nop word [rax + rax]
mov r8, qword [rsp + 0x28]
lea rdx, [rbx + 0x10]
mov rcx, rbx
call r14
inc edi
mov byte [rbx + 0xf], dil
mov eax, edi
shr eax, 0x18
mov byte [rbx + 0xc], al
mov eax, edi
shr eax, 0x10
mov byte [rbx + 0xd], al
mov eax, edi
shr eax, 8
mov byte [rbx + 0xe], al
mov rax, qword [rbx + 0x10]
xor rax, qword [rsi]
mov qword [r15], rax
mov rax, qword [rsi + 8]
add rsi, 0x10
xor rax, qword [rbx + 0x18]
mov qword [r15 + 8], rax
add r15, 0x10
sub r13, 1
jne 0x140021f50
sub qword [rsp + 0x38], 1
jne 0x140021f20
mov r14, qword [rsp + 0x98]
mov ebp, dword [rsp + 0x80]
mov r13d, dword [rsp + 0x20]
mov r9, r14
and r9, 0xfffffffffffffff0
je 0x140022072
mov r8, rsi
lea rdx, [rbx + 0x60]
lea rcx, [rbx + 0x40]
call qword [rbx + 0x168]
cmp r14, 0x10
jb 0x140022072
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 dword [rax]
mov r8, r14
lea rdx, [rbx + 0x10]
mov rcx, rbx
call rbp
inc edi
mov byte [rbx + 0xf], dil
mov eax, edi
shr eax, 0x18
mov byte [rbx + 0xc], al
mov eax, edi
shr eax, 0x10
mov byte [rbx + 0xd], al
mov eax, edi
shr eax, 8
mov byte [rbx + 0xe], al
mov rax, qword [rsi]
xor rax, qword [rbx + 0x10]
mov qword [r15], rax
mov rax, qword [rsi + 8]
add rsi, 0x10
xor rax, qword [rbx + 0x18]
mov qword [r15 + 8], rax
add r15, 0x10
sub r13, 1
jne 0x140022010
mov r14, qword [rsp + 0x98]
mov ebp, dword [rsp + 0x80]
mov r13d, dword [rsp + 0x20]
test r14, r14
je 0x1400220d3
mov r8, qword [rsp + 0x28]
lea rdx, [rbx + 0x10]
mov rcx, rbx
call qword [rsp + gethostbyaddr]
inc edi
mov eax, edi
mov byte [rbx + 0xf], dil
shr eax, 0x18
mov byte [rbx + 0xc], al
mov eax, edi
shr eax, 0x10
mov byte [rbx + 0xd], al
mov eax, edi
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 + rsi]
mov byte [rax + rbx + 0x190], cl
xor cl, byte [rdx + rbx + 0x10]
mov byte [rdx + r15], cl
sub r14, 1
jne 0x1400220b0
mov rdi, qword [rsp + 0x50]
xor eax, eax
mov r13, qword [rsp + 0x40]
mov dword [rbx + 0x178], ebp
mov rbp, qword [rsp + 0x88]
mov r12, qword [rsp + 0x48]
add rsp, 0x58
pop r15
pop r14
pop rsi
pop rbx
ret
mov eax, 0xffffffff
add rsp, 0x58
pop r15
pop r14
pop rsi
pop rbx
ret