Function at 0x1400d9f00
Capabilities:
Encode data using xor
Hash data using crc32b

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 8], rcx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x380]
sub rsp, 0x480
mov rax, rcx
xor r9d, r9d
mov ecx, r9d
mov dword [rbp + 0x3d0], ecx
mov dword [rbp + 0x3d8], ecx
mov qword [rsp + 0x30], r9
mov r8d, recv
mov qword [rsp + 0x48], r8
mov qword [rsp + 0x40], r9
mov byte [rsp + 0x30], cl
mov rbx, qword [rax]
lea r15d, [r9 + 1]
cmp rbx, qword [rax + 8]
je 0x1400da1ed
mov edx, edx
mov qword [rsp + 0x70], rdx
nop word [rax + rax]
mov rsi, qword [rbx + 0x10]
mov rax, qword [rbx + 0x18]
cmp rsi, rdx
jbe 0x1400da15a
mov r12, rdx
mov qword [rsp + 0x50], r9
mov r14d, recv
mov qword [rsp + 0x68], r14
mov rsi, r9
mov qword [rsp + 0x60], r9
mov byte [rsp + 0x50], 0
or ecx, 1
mov dword [rbp + 0x3d0], ecx
mov dword [rbp + 0x3d8], ecx
mov rdi, rbx
cmp rax, 0x10
jb 0x1400d9fbc
mov rdi, qword [rbx]
test rdx, rdx
je 0x1400da09e
nop word [rax + rax]
dec r12
movzx r9d, byte [rdi]
test r9b, r9b
je 0x1400da099
inc rdi
cmp rsi, r14
jae 0x1400da00b
lea rax, [rsi + 1]
mov qword [rsp + 0x60], rax
lea rax, [rsp + 0x50]
cmp r14, 0x10
cmovae rax, qword [rsp + 0x50]
mov byte [rax + rsi], r9b
mov byte [rax + rsi + 1], 0
jmp 0x1400da01b
xor r8d, r8d
mov rdx, r15
lea rcx, [rsp + 0x50]
call fcn.14000e8a0
movzx eax, byte [rdi]
movzx ecx, al
and cl, 0xc0
cmp cl, 0x80
jne 0x1400da086
nop dword [rax]
inc rdi
mov rdx, qword [rsp + 0x60]
mov r8, qword [rsp + 0x68]
cmp rdx, r8
jae 0x1400da064
lea rcx, [rdx + 1]
mov qword [rsp + 0x60], rcx
lea rcx, [rsp + 0x50]
cmp r8, 0x10
cmovae rcx, qword [rsp + 0x50]
mov byte [rcx + rdx], al
mov byte [rcx + rdx + 1], 0
jmp 0x1400da078
movzx r9d, al
xor r8d, r8d
mov rdx, r15
lea rcx, [rsp + 0x50]
call fcn.14000e8a0
movzx eax, byte [rdi]
movzx ecx, al
and cl, 0xc0
cmp cl, 0x80
je 0x1400da030
mov r14, qword [rsp + 0x68]
mov rsi, qword [rsp + 0x60]
test r12, r12
jne 0x1400d9fd0
mov r8, qword [rsp + 0x48]
lea r9, [rsp + 0x50]
mov r13, qword [rsp + 0x50]
cmp r14, 0x10
cmovae r9, r13
mov rcx, qword [rsp + 0x40]
mov rax, r8
sub rax, rcx
cmp rsi, rax
ja 0x1400da0ef
lea rax, [rcx + rsi]
mov qword [rsp + 0x40], rax
lea rdi, [rsp + 0x30]
cmp r8, 0x10
cmovae rdi, qword [rsp + 0x30]
add rdi, rcx
mov r8, rsi
mov rdx, r9
mov rcx, rdi
call sub.VCRUNTIME140.dll_memmove
mov byte [rdi + rsi], 0
jmp 0x1400da10e
mov qword [rsp + 0x20], rsi
xor r8d, r8d
mov rdx, rsi
lea rcx, [rsp + 0x30]
call fcn.14000ea10
mov r14, qword [rsp + 0x68]
mov r13, qword [rsp + 0x50]
mov ecx, dword [rbp + 0x3d0]
and ecx, 0xfffffffe
mov dword [rbp + 0x3d0], ecx
cmp r14, 0x10
jb 0x1400da1c3
lea rdx, [r14 + 1]
mov rax, r13
cmp rdx, 0x1000
jb 0x1400da150
add rdx, 0x27
mov r13, qword [r13 - 8]
sub rax, r13
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x1400da1e6
mov rcx, r13
call fcn.1401dcf3c
jmp 0x1400da1bd
mov r9, rbx
cmp rax, 0x10
jb 0x1400da166
mov r9, qword [rbx]
mov r14, qword [rsp + 0x40]
mov rax, r8
sub rax, r14
cmp rsi, rax
ja 0x1400da1a8
lea rax, [r14 + rsi]
mov qword [rsp + 0x40], rax
lea rdi, [rsp + 0x30]
cmp r8, 0x10
cmovae rdi, qword [rsp + 0x30]
lea rcx, [rdi + r14]
mov r8, rsi
mov rdx, r9
call sub.VCRUNTIME140.dll_memmove
lea rax, [rdi + rsi]
mov byte [rax + r14], 0
jmp 0x1400da1bd
mov qword [rsp + 0x20], rsi
xor r8d, r8d
mov rdx, rsi
lea rcx, [rsp + 0x30]
call fcn.14000ea10
mov ecx, dword [rbp + 0x3d0]
add rbx, 0x20
mov rax, qword [rbp + 0x3c0]
mov r8, qword [rsp + 0x48]
cmp rbx, qword [rax + 8]
je 0x1400da1ed
mov rdx, qword [rsp + 0x70]
xor r9d, r9d
jmp 0x1400d9f70
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
mov ebx, 0xffffffff
mov eax, 0x80000000
nop word [rax + rax]
mov ecx, eax
or ecx, r15d
mov edx, ecx
and edx, ebx
cmp edx, eax
je 0x1400da212
cmp edx, r15d
jne 0x1400da214
xor ebx, ecx
shr eax, 1
add r15d, r15d
cmp eax, r15d
ja 0x1400da200
lea rdi, [rsp + 0x30]
mov r9, qword [rsp + 0x30]
cmp r8, 0x10
cmovae rdi, r9
mov rsi, qword [rsp + 0x40]
mov ecx, dword [0x1402f8828]
mov rax, qword gs:[0x58]
mov edx, 0x18
mov r14, qword [rax + rcx*8]
add r14, rdx
mov eax, dword [r14]
cmp dword [0x1402f6d80], eax
jg 0x1400da353
jmp 0x1400da2c3
movups xmm0, xmmword [rax]
movups xmmword [rdx], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rdx + 0x10], xmm1
movups xmm0, xmmword [rax + 0x20]
movups xmmword [rdx + 0x20], xmm0
movups xmm1, xmmword [rax + 0x30]
movups xmmword [rdx + 0x30], xmm1
movups xmm0, xmmword [rax + 0x40]
movups xmmword [rdx + 0x40], xmm0
movups xmm1, xmmword [rax + 0x50]
movups xmmword [rdx + 0x50], xmm1
movups xmm0, xmmword [rax + 0x60]
movups xmmword [rdx + 0x60], xmm0
lea rdx, [rdx + 0x80]
movups xmm1, xmmword [rax + 0x70]
movups xmmword [rdx - 0x10], xmm1
lea rax, [rax + 0x80]
sub r8, 1
je 0x1400da3b9
jmp 0x1400da261
mov r9, qword [rsp + 0x30]
mov r8, qword [rsp + 0x48]
test rsi, rsi
je 0x1400da2e8
mov rdx, qword [0x1402f6d78]
nop
movzx eax, bl
xor al, byte [rdi]
lea rdi, [rdi + 1]
movzx ecx, al
shr ebx, 8
xor ebx, dword [rdx + rcx*4]
sub rsi, 1
jne 0x1400da2d0
not ebx
mov eax, 0xaaaaaaab
mul ebx
shr edx, 4
lea eax, [rdx + rdx*2]
shl eax, 3
sub ebx, eax
cmp r8, 0x10
jb 0x1400da336
lea rdx, [r8 + 1]
mov rax, r9
cmp rdx, 0x1000
jb 0x1400da32e
add rdx, 0x27
mov r9, qword [r9 - 8]
sub rax, r9
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400da32e
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
mov rcx, r9
call fcn.1401dcf3c
mov eax, ebx
mov rbx, qword [rsp + 0x4c8]
add rsp, 0x480
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret
lea rcx, [0x1402f6d80]
call fcn.1401dd384
cmp dword [0x1402f6d80], 0xffffffff
jne 0x1400da2b9
lea r15, [0x1402f6d90]
mov eax, dword [r14]
cmp dword [0x1402f7190], eax
jle 0x1400da3c5
lea rcx, [0x1402f7190]
call fcn.1401dd384
cmp dword [0x1402f7190], 0xffffffff
jne 0x1400da3c5
mov r9b, 1
mov edx, 0x20
mov r8d, 0x4c11db7
lea rcx, [rsp + 0x78]
call fcn.140072940
mov rdx, r15
mov r8d, 8
jmp 0x1400da261
lea rcx, [0x1402f7190]
call fcn.1401dd324
mov qword [0x1402f6d78], r15
lea rcx, [0x1402f6d80]
call fcn.1401dd324
jmp 0x1400da2b9