Function at 0x1400c01a0
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push rbp
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x1410]
mov eax, 0x1510
call fcn.140138ff0
sub rsp, rax
mov rax, qword [0x14017e7c0]
xor rax, rsp
mov qword [rbp + 0x1400], rax
mov rsi, rdx
mov qword [rsp + 0x40], rdx
xor ebx, ebx
mov dword [rsp + 0x20], ebx
xorps xmm0, xmm0
movups xmmword [rsp + 0x48], xmm0
mov qword [rsp + 0x58], rbx
mov qword [rsp + 0x60], rbx
mov r8d, 0x3e
lea rdx, str.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
lea rcx, [rsp + 0x48]
call fcn.140003040
nop
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov edx, eax
mov dword [rbp + 0x13f4], 0xffffffff
mov dword [rbp + 0x74], eax
mov ecx, 1
mov eax, edx
shr eax, 0x1e
xor eax, edx
imul edx, eax, 0x6c078965
add edx, ecx
mov dword [rbp + rcx*4 + 0x74], edx
inc rcx
cmp rcx, 0x270
jb 0x1400c0230
mov dword [rbp + 0x70], 0x270
mov r14d, dword [rsp + 0x58]
dec r14d
xor edx, edx
mov r8d, 0xf8
lea rcx, [rsp + 0x70]
call fcn.140139c15
lea rax, [0x1401646a8]
mov qword [rsp + 0x70], rax
lea rax, [0x1401645c0]
mov qword [rbp - 0x80], rax
lea rcx, [rbp + 8]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::constructor_void____ptr64]
nop
mov dword [rsp + 0x20], 2
xor r8d, r8d
lea rdx, [rbp - 0x78]
lea rcx, [rsp + 0x70]
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_iostream_char__struct_std::char_traits_char__::constructor_class_std::basic_streambuf_char__struct_std::char_traits_char______ptr64____ptr64]
nop
mov rax, qword [rsp + 0x70]
movsxd rcx, dword [rax + 4]
lea rax, vtable.std::basic_stringstream_char__struct_std::char_traits_char___class_std::allocator_char__.0
mov qword [rsp + rcx + 0x70], rax
mov rax, qword [rsp + 0x70]
movsxd rcx, dword [rax + 4]
lea edx, [rcx - 0x98]
mov dword [rsp + rcx + 0x6c], edx
lea rcx, [rbp - 0x78]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_streambuf_char__struct_std::char_traits_char__::constructor_void____ptr64]
lea rax, vtable.std::basic_stringbuf_char__struct_std::char_traits_char___class_std::allocator_char__.0
mov qword [rbp - 0x78], rax
mov qword [rbp - 0x10], rbx
mov dword [rbp - 8], ebx
mov ebx, 0x80000000
xor r14d, ebx
mov r12d, 0xa
mov r13, qword [rsp + 0x60]
mov r15, qword [rsp + 0x48]
nop dword [rax]
lea rcx, [rbp + 0x70]
cmp r14d, 0x7fffffff
jne 0x1400c0326
call fcn.1400c1880
mov ecx, eax
jmp 0x1400c036c
lea ebx, [r14 - 0x7fffffff]
call fcn.1400c1880
mov edi, ebx
mov ecx, eax
imul rcx, rdi
cmp ecx, ebx
jae 0x1400c0363
mov eax, ebx
neg eax
xor edx, edx
div ebx
mov ebx, edx
cmp ecx, edx
jae 0x1400c0363
nop dword [rax]
lea rcx, [rbp + 0x70]
call fcn.1400c1880
mov ecx, eax
imul rcx, rdi
cmp ecx, ebx
jb 0x1400c0350
shr rcx, 0x20
mov ebx, 0x80000000
lea edx, [rcx + rbx]
xor edx, ebx
lea rax, [rsp + 0x48]
cmp r13, 0xf
cmova rax, r15
movsxd rdx, edx
movzx edx, byte [rdx + rax]
lea rcx, [rbp - 0x80]
call fcn.1400c1370
sub r12, 1
jne 0x1400c0310
xorps xmm0, xmm0
movups xmmword [rsi], xmm0
xor eax, eax
mov qword [rsi + 0x10], rax
mov qword [rsi + 0x18], reloc.WS2_32.dll_ntohs
mov byte [rsi], al
mov dword [rsp + 0x20], 0xa
movups xmmword [rsp + 0x28], xmm0
mov ecx, dword [rbp - 8]
mov eax, ecx
and al, 0x22
cmp al, 2
je 0x1400c03e7
mov rax, qword [rbp - 0x38]
mov r8, qword [rax]
test r8, r8
je 0x1400c03e7
mov rax, qword [rbp - 0x58]
mov rdx, qword [rax]
cmp r8, qword [rbp - 0x10]
cmovb r8, qword [rbp - 0x10]
sub r8, rdx
jmp 0x1400c0418
test cl, 4
jne 0x1400c040e
mov rax, qword [rbp - 0x40]
mov rcx, qword [rax]
test rcx, rcx
je 0x1400c040e
mov rax, qword [rbp - 0x60]
mov rdx, qword [rax]
mov rax, qword [rbp - 0x28]
movsxd r8, dword [rax]
sub r8, rdx
add r8, rcx
jmp 0x1400c0418
mov r8, qword [rsp + 0x30]
mov rdx, qword [rsp + 0x28]
test rdx, rdx
je 0x1400c0426
mov rcx, rsi
call fcn.140004030
nop
mov rax, qword [rsp + 0x70]
movsxd rcx, dword [rax + 4]
lea rax, vtable.std::basic_stringstream_char__struct_std::char_traits_char___class_std::allocator_char__.0
mov qword [rsp + rcx + 0x70], rax
mov rax, qword [rsp + 0x70]
movsxd rcx, dword [rax + 4]
lea edx, [rcx - 0x98]
mov dword [rsp + rcx + 0x6c], edx
lea rcx, [rbp - 0x78]
call fcn.1400c0ae0
lea rcx, [rbp - 0x70]
call qword [sym.imp.MSVCP140.dll_public_virtual:_void___cdecl_std::basic_iostream_char__struct_std::char_traits_char__::destructor_void____ptr64]
lea rcx, [rbp + 8]
call qword [sym.imp.MSVCP140.dll_public_virtual:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::destructor_void____ptr64]
nop
cmp r13, 0xf
jbe 0x1400c04a6
lea rdx, [r13 + 1]
mov rax, r15
cmp rdx, 0x1000
jb 0x1400c049e
add rdx, 0x27
mov r15, qword [r15 - 8]
sub rax, r15
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400c049e
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
mov rcx, r15
call fcn.1401386d0
mov rax, rsi
mov rcx, qword [rbp + 0x1400]
xor rcx, rsp
call fcn.1401386b0
lea r11, [rsp + 0x1510]
mov rbx, qword [r11 + 0x30]
mov rsi, qword [r11 + 0x40]
mov rdi, qword [r11 + 0x48]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rbp
ret