Function at 0x14003c7b0
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov r11, rsp
mov qword [r11 + 0x10], rbx
mov qword [r11 + 0x18], rbp
mov qword [r11 + 0x20], rsi
push rdi
push r12
push r13
push r14
push r15
sub rsp, 0xe0
movaps xmmword [r11 - 0x38], xmm6
mov rax, qword [0x1400dc0c0]
xor rax, rsp
mov qword [rsp + 0xc0], rax
mov rdi, rcx
mov qword [r11 - 0x88], rcx
xor ebp, ebp
mov dword [rsp + 0x24], ebp
lea r14d, [rbp + 0x10]
xorps xmm0, xmm0
movups xmmword [r11 - 0x80], xmm0
lea rcx, [rsp + 0x108]
movabs rdx, 0xff00ff00ff00ff00
mov qword [r11 - 0x78], rdx
mov qword [r11 - 0x70], rcx
mov rax, qword [rcx]
xor rax, rdx
mov qword [rsp + 0x50], rax
mov qword [r11 - 0x80], rax
mov qword [rcx], rbp
movups xmm0, xmmword [0x1400caad8]
movups xmmword [rsp + 0x58], xmm0
movups xmm1, xmmword [0x1400caae8]
movups xmmword [rsp + 0x68], xmm1
mov eax, dword [0x1400caaf8]
mov dword [rsp + 0x78], eax
movzx eax, byte [0x1400caafc]
mov byte [rsp + 0x7c], al
mov ecx, ebp
cmp dword [reloc.WS2_32.dll_accept], 2
jl 0x14003c9aa
movdqa xmm5, xmmword [0x1400cada0]
movdqa xmm4, xmmword [0x1400cae80]
movdqa xmm6, xmmword [0x1400cadd0]
movdqa xmm0, xmmword [str.4444444444444444]
movdqa xmmword [rsp + 0x40], xmm0
lea rdx, [rsp + 0x5c]
mov r8d, dword [rsp + 0x40]
nop word [rax + rax]
movd xmm2, ecx
pshufd xmm2, xmm2, 0
paddd xmm2, xmm5
movdqa xmm1, xmm2
punpckldq xmm1, xmm2
pmuldq xmm1, xmm4
movdqa xmm0, xmm2
punpckhdq xmm0, xmm2
pmuldq xmm0, xmm4
shufps xmm1, xmm0, 0xdd
paddd xmm1, xmm2
psrad xmm1, 5
movdqa xmm0, xmm1
psrld xmm0, 0x1f
paddd xmm0, xmm1
pmulld xmm0, xmm6
psubd xmm2, xmm0
pshuflw xmm0, xmm2, 0xd8
pshufhw xmm1, xmm0, 0xd8
pshufd xmm2, xmm1, 0xd8
andps xmm2, xmmword [0x1400cae10]
packuswb xmm2, xmm2
movd xmm0, r8d
paddb xmm2, xmm0
movd xmm0, dword [rdx - 4]
xorps xmm2, xmm0
movd dword [rdx - 4], xmm2
lea eax, [rcx + 4]
movd xmm3, eax
pshufd xmm3, xmm3, 0
paddd xmm3, xmm5
movdqa xmm1, xmm3
punpckldq xmm1, xmm3
pmuldq xmm1, xmm4
movdqa xmm0, xmm3
punpckhdq xmm0, xmm3
pmuldq xmm0, xmm4
shufps xmm1, xmm0, 0xdd
paddd xmm1, xmm3
psrad xmm1, 5
movdqa xmm0, xmm1
psrld xmm0, 0x1f
paddd xmm0, xmm1
pmulld xmm0, xmm6
psubd xmm3, xmm0
pshuflw xmm0, xmm3, 0xd8
pshufhw xmm1, xmm0, 0xd8
pshufd xmm2, xmm1, 0xd8
andps xmm2, xmmword [0x1400cae10]
packuswb xmm2, xmm2
movd xmm0, r8d
paddb xmm2, xmm0
movd xmm0, dword [rdx]
xorps xmm2, xmm0
movd dword [rdx], xmm2
add ecx, 8
lea rdx, [rdx + 8]
cmp ecx, 0x20
jl 0x14003c8a0
cmp ecx, 0x25
jge 0x14003c9ee
movsxd rax, ecx
lea r8, [rsp + 0x58]
add r8, rax
nop word [rax + rax]
mov eax, 0x92492493
imul ecx
add edx, ecx
sar edx, 5
mov eax, edx
shr eax, 0x1f
add edx, eax
movsx eax, dl
imul edx, eax, 0x38
movzx eax, cl
sub al, dl
add al, 0x34
xor byte [r8], al
inc ecx
lea r8, [r8 + 1]
cmp ecx, 0x25
jl 0x14003c9c0
lea rdx, [rsp + 0x58]
lea rcx, [rsp + 0xa0]
call fcn.140047690
nop
mov rax, qword gs:[0x58]
mov rsi, qword [rax]
mov qword [rsp + 0x40], rsi
mov r12d, 0x13b8
mov eax, dword [r12 + rsi]
mov r13d, Ordinal_50
test al, 1
jne 0x14003ca79
or eax, 1
mov dword [r12 + rsi], eax
mov ebx, r13d
add rbx, rsi
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov ecx, eax
mov dword [rbx + 0x1384], 0xffffffff
mov dword [rbx + 4], eax
mov edx, 1
lea r8, [rbx + 8]
mov eax, ecx
shr eax, 0x1e
xor eax, ecx
imul ecx, eax, 0x6c078965
add ecx, edx
mov dword [r8], ecx
inc rdx
lea r8, [r8 + 4]
cmp rdx, 0x270
jb 0x14003ca51
mov dword [rbx], 0x270
mov eax, dword [r12 + rsi]
mov r15d, Ordinal_26
mov qword [rsp + 0x28], r15
test al, 2
jne 0x14003caa9
or eax, 2
mov dword [r12 + rsi], eax
mov rax, qword [rsp + 0xb0]
dec rax
mov qword [rsi + r15], rbp
mov qword [rsi + r15 + 8], rax
jmp 0x14003caae
mov qword [rsp + 0x28], r15
xorps xmm0, xmm0
movups xmmword [rdi], xmm0
mov qword [rdi + 0x10], rbp
mov qword [rdi + 0x18], reloc.WS2_32.dll_ntohs
mov byte [rdi], 0
mov dword [rsp + 0x24], 1
mov rdx, r14
mov rcx, rdi
call fcn.140048470
mov qword [rdi + 0x10], rbp
mov ebp, r13d
add rbp, rsi
mov r13, qword [rsp + 0xb8]
mov r12, qword [rsp + 0xa0]
movzx ebx, byte [rsp + 0x20]
nop word [rax + rax]
dec r14
mov rdx, qword [rsi + r15 + 8]
mov r15, qword [rsi + r15]
mov qword [rsp + 0x30], rbp
sub rdx, r15
cmp rdx, 0xffffffffffffffff
jne 0x14003cb37
mov rcx, rbp
call fcn.1400491e0
mov esi, eax
shl rsi, 0x20
mov rcx, rbp
call fcn.1400491e0
mov eax, eax
or rsi, rax
jmp 0x14003cb47
inc rdx
lea rcx, [rsp + 0x30]
call fcn.140049070
mov rsi, rax
lea rax, [rsp + 0xa0]
cmp r13, 0xf
cmova rax, r12
add rax, rsi
movzx r9d, byte [rax + r15]
mov rcx, qword [rdi + 0x10]
mov rdx, qword [rdi + 0x18]
cmp rcx, rdx
jae 0x14003cb8b
lea rax, [rcx + 1]
mov qword [rdi + 0x10], rax
mov rax, rdi
cmp rdx, 0xf
jbe 0x14003cb80
mov rax, qword [rdi]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x14003cb9c
movzx r8d, bl
mov edx, 1
mov rcx, rdi
call fcn.1400487b0
test r14, r14
mov rsi, qword [rsp + 0x40]
mov r15, qword [rsp + 0x28]
jne 0x14003cb00
cmp r13, 0xf
jbe 0x14003cbeb
lea rdx, [r13 + 1]
mov rax, r12
cmp rdx, 0x1000
jb 0x14003cbe2
add rdx, 0x27
mov r12, qword [r12 - 8]
sub rax, r12
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14003cbe2
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
mov rcx, r12
call fcn.1400b04ac
nop
mov rax, qword [rsp + 0x50]
movabs rcx, 0xff00ff00ff00ff00
xor rax, rcx
lea rcx, [rsp + 0x108]
mov qword [rcx], rax
mov rax, rdi
mov rcx, qword [rsp + 0xc0]
xor rcx, rsp
call fcn.1400b01f0
lea r11, [rsp + 0xe0]
mov rbx, qword [r11 + 0x38]
mov rbp, qword [r11 + 0x40]
mov rsi, qword [r11 + 0x48]
movaps xmm6, xmmword [r11 - 0x10]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rdi
ret