Function at 0x14000ebf0
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push rbp
lea rbp, [rsp - 0x3a90]
mov eax, 0x3b90
call fcn.140016830
sub rsp, rax
movaps xmmword [rsp + 0x3b80], xmm6
movaps xmmword [rsp + 0x3b70], xmm7
movaps xmmword [rsp + 0x3b60], xmm8
mov rax, qword [0x14001b010]
xor rax, rsp
mov qword [rbp + 0x3a50], rax
mov rbx, rcx
mov qword [rbp - 0x70], rcx
xor edi, edi
mov dword [rsp + 0x30], edi
movsd xmm0, qword [0x1400176d0]
movsd qword [rsp + 0x20], xmm0
movzx eax, word [0x1400176d8]
mov word [rsp + 0x28], ax
movzx eax, byte [0x1400176da]
mov byte [rsp + 0x20], 0x30
xor byte [rsp + 0x21], 0x37
xor byte [rsp + 0x22], 0x38
xor byte [rsp + 0x23], 0x39
xor byte [rsp + 0x24], 0x3a
xor byte [rsp + 0x25], 0x3b
xor byte [rsp + 0x26], 0x3c
xor byte [rsp + 0x27], 0x3d
xor byte [rsp + 0x28], 0x3e
xor byte [rsp + 0x29], 0x3f
xor al, 0x40
mov byte [rsp + 0x2a], al
movups xmm0, xmmword [str.wu]
movups xmmword [rsp + 0x38], xmm0
movsd xmm1, qword [0x140018058]
movsd qword [rsp + 0x48], xmm1
movzx eax, word [0x140018060]
mov word [rsp + 0x50], ax
movzx eax, byte [0x140018062]
mov byte [rsp + 0x52], al
mov r8d, edi
lea esi, [rdi + 0x1f]
lea r11d, [rdi + 4]
mov r10d, dword [0x14001b018]
cmp r10d, 2
jl 0x14000ee37
movdqa xmm5, xmmword [0x140018890]
movdqa xmm4, xmmword [0x1400188e0]
movd xmm6, r11d
movdqa xmm7, xmmword [0x1400188b0]
movd xmm8, esi
movdqa xmm0, xmmword [str.6666666666666666]
movdqa xmmword [rbp - 0x80], xmm0
lea rcx, [rsp + 0x3c]
mov edx, dword [rbp - 0x80]
nop dword [rax + rax]
movd xmm2, r8d
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
psrad xmm1, xmm6
movdqa xmm0, xmm1
psrld xmm0, xmm8
paddd xmm0, xmm1
pmulld xmm0, xmm7
psubd xmm2, xmm0
pshuflw xmm0, xmm2, 0xd8
pshufhw xmm1, xmm0, 0xd8
pshufd xmm2, xmm1, 0xd8
pand xmm2, xmmword [0x1400188c0]
packuswb xmm2, xmm2
movd xmm0, edx
paddb xmm2, xmm0
movd xmm0, dword [rcx - 4]
pxor xmm2, xmm0
movd dword [rcx - 4], xmm2
lea eax, [r8 + 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
psrad xmm1, xmm6
movdqa xmm0, xmm1
psrld xmm0, xmm8
paddd xmm0, xmm1
pmulld xmm0, xmm7
psubd xmm3, xmm0
pshuflw xmm0, xmm3, 0xd8
pshufhw xmm1, xmm0, 0xd8
pshufd xmm2, xmm1, 0xd8
pand xmm2, xmmword [0x1400188c0]
packuswb xmm2, xmm2
movd xmm0, edx
paddb xmm2, xmm0
movd xmm0, dword [rcx]
pxor xmm2, xmm0
movd dword [rcx], xmm2
add r8d, 8
lea rcx, [rcx + 8]
cmp r8d, 0x18
jl 0x14000ed30
cmp r8d, 0x1b
jge 0x14000ee80
movsxd rax, r8d
lea r9, [rsp + 0x38]
add r9, rax
nop dword [rax]
nop word [rax + rax]
mov eax, 0x5397829d
imul r8d
sar edx, 4
mov eax, edx
shr eax, 0x1f
add edx, eax
movsx eax, dl
imul ecx, eax, 0x31
movzx eax, r8b
sub al, cl
add al, 0x36
xor byte [r9], al
inc r8d
lea r9, [r9 + 1]
cmp r8d, 0x1b
jl 0x14000ee50
movups xmm0, xmmword [str.WU_____UWU___575___575P]
movups xmmword [rsp + 0x58], xmm0
movsd xmm1, qword [0x140017888]
movsd qword [rsp + 0x68], xmm1
movzx eax, word [0x140017890]
mov word [rsp + 0x70], ax
movzx eax, byte [0x140017892]
mov byte [rsp + 0x72], al
mov r8d, edi
cmp r10d, 2
jl 0x14000f007
movdqa xmm5, xmmword [0x140018890]
movdqa xmm4, xmmword [0x1400188e0]
movd xmm6, r11d
movdqa xmm7, xmmword [0x1400188b0]
movd xmm8, esi
movdqa xmm0, xmmword [str.6666666666666666]
movdqa xmmword [rbp - 0x80], xmm0
lea rcx, [rsp + 0x5c]
mov edx, dword [rbp - 0x80]
nop word [rax + rax]
movd xmm2, r8d
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
psrad xmm1, xmm6
movdqa xmm0, xmm1
psrld xmm0, xmm8
paddd xmm0, xmm1
pmulld xmm0, xmm7
psubd xmm2, xmm0
pshuflw xmm0, xmm2, 0xd8
pshufhw xmm1, xmm0, 0xd8
pshufd xmm2, xmm1, 0xd8
pand xmm2, xmmword [0x1400188c0]
packuswb xmm2, xmm2
movd xmm0, edx
paddb xmm2, xmm0
movd xmm0, dword [rcx - 4]
pxor xmm2, xmm0
movd dword [rcx - 4], xmm2
lea eax, [r8 + 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
psrad xmm1, xmm6
movdqa xmm0, xmm1
psrld xmm0, xmm8
paddd xmm0, xmm1
pmulld xmm0, xmm7
psubd xmm3, xmm0
pshuflw xmm0, xmm3, 0xd8
pshufhw xmm1, xmm0, 0xd8
pshufd xmm2, xmm1, 0xd8
pand xmm2, xmmword [0x1400188c0]
packuswb xmm2, xmm2
movd xmm0, edx
paddb xmm2, xmm0
movd xmm0, dword [rcx]
pxor xmm2, xmm0
movd dword [rcx], xmm2
add r8d, 8
lea rcx, [rcx + 8]
cmp r8d, 0x18
jl 0x14000ef00
cmp r8d, 0x1b
jge 0x14000f050
movsxd rax, r8d
lea r9, [rsp + 0x58]
add r9, rax
nop dword [rax]
nop word [rax + rax]
mov eax, 0x5397829d
imul r8d
sar edx, 4
mov eax, edx
shr eax, 0x1f
add edx, eax
movsx eax, dl
imul ecx, eax, 0x31
movzx eax, r8b
sub al, cl
add al, 0x36
xor byte [r9], al
inc r8d
lea r9, [r9 + 1]
cmp r8d, 0x1b
jl 0x14000f020
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov edx, eax
mov dword [rbp + 0x1324], 0xffffffff
mov dword [rbp - 0x5c], eax
mov ecx, 1
nop word [rax + rax]
mov eax, edx
shr eax, 0x1e
xor eax, edx
imul edx, eax, 0x6c078965
add edx, ecx
mov dword [rbp + rcx*4 - 0x5c], edx
inc rcx
cmp rcx, 0x270
jb 0x14000f070
mov dword [rbp - 0x60], 0x270
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov edx, eax
mov dword [rbp + 0x26b4], 0xffffffff
mov dword [rbp + 0x1334], eax
mov ecx, 1
nop dword [rax]
nop word [rax + rax]
mov eax, edx
shr eax, 0x1e
xor eax, edx
imul edx, eax, 0x6c078965
add edx, ecx
mov dword [rbp + rcx*4 + 0x1334], edx
inc rcx
cmp rcx, 0x270
jb 0x14000f0c0
mov dword [rbp + 0x1330], 0x270
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov edx, eax
mov dword [rbp + 0x3a44], 0xffffffff
mov dword [rbp + 0x26c4], eax
mov ecx, 1
nop dword [rax]
mov eax, edx
shr eax, 0x1e
xor eax, edx
imul edx, eax, 0x6c078965
add edx, ecx
mov dword [rbp + rcx*4 + 0x26c4], edx
inc rcx
cmp rcx, 0x270
jb 0x14000f110
mov dword [rbp + 0x26c0], 0x270
mov qword [rbx], rdi
mov qword [rbx + 0x10], rdi
mov edi, 0xf
mov qword [rbx + 0x18], rdi
mov byte [rbx], 0
mov dword [rsp + 0x30], 1
lea rcx, [rbp - 0x60]
call fcn.1400150a0
mov ecx, eax
mov eax, 0x24924925
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 2
cmp eax, 0x24924924
jae 0x14000f157
mov eax, 0x24924925
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 2
imul eax, eax, 7
sub ecx, eax
movsxd rax, ecx
movzx r9d, byte [rsp + rax + 0x20]
mov rcx, qword [rbx + 0x10]
mov rdx, qword [rbx + 0x18]
cmp rcx, rdx
jae 0x14000f1c7
lea rax, [rcx + 1]
mov qword [rbx + 0x10], rax
mov rax, rbx
cmp rdx, 0x10
jb 0x14000f1bc
mov rax, qword [rbx]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x14000f1d0
mov rcx, rbx
call fcn.140014790
nop
lea rcx, [rbp + 0x1330]
call fcn.1400150a0
mov ecx, eax
mov eax, 0x24924925
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 2
cmp eax, 0x24924924
jae 0x14000f1d0
mov eax, 0x24924925
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 2
imul eax, eax, 7
sub ecx, eax
movsxd rax, ecx
movzx r9d, byte [rsp + rax + 0x38]
mov rcx, qword [rbx + 0x10]
mov rdx, qword [rbx + 0x18]
cmp rcx, rdx
jae 0x14000f243
lea rax, [rcx + 1]
mov qword [rbx + 0x10], rax
mov rax, rbx
cmp rdx, 0x10
jb 0x14000f238
mov rax, qword [rbx]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x14000f250
mov rcx, rbx
call fcn.140014790
nop dword [rax + rax]
lea rcx, [rbp + 0x26c0]
call fcn.1400150a0
mov ecx, eax
mov eax, 0x24924925
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 2
cmp eax, 0x24924924
jae 0x14000f250
mov eax, 0x24924925
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 2
imul eax, eax, 7
sub ecx, eax
movsxd rax, ecx
movzx r9d, byte [rsp + rax + 0x58]
mov rcx, qword [rbx + 0x10]
mov rdx, qword [rbx + 0x18]
cmp rcx, rdx
jae 0x14000f2c3
lea rax, [rcx + 1]
mov qword [rbx + 0x10], rax
mov rax, rbx
cmp rdx, 0x10
jb 0x14000f2b8
mov rax, qword [rbx]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x14000f2cb
mov rcx, rbx
call fcn.140014790
sub rdi, 1
jne 0x14000f157
mov rax, rbx
mov rcx, qword [rbp + 0x3a50]
xor rcx, rsp
call fcn.140015920
lea r11, [rsp + 0x3b90]
mov rbx, qword [r11 + 0x18]
mov rsi, qword [r11 + 0x20]
mov rdi, qword [r11 + 0x28]
movaps xmm6, xmmword [r11 - 0x10]
movaps xmm7, xmmword [r11 - 0x20]
movaps xmm8, xmmword [r11 - 0x30]
mov rsp, r11
pop rbp
ret