Function at 0x14000f490
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
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x1450]
mov eax, 0x1550
call fcn.140049ae0
sub rsp, rax
movaps xmmword [rsp + 0x1540], xmm6
mov rax, qword [0x140090040]
xor rax, rsp
mov qword [rbp + 0x1430], rax
mov r12, rcx
mov qword [rsp + 0x30], rcx
movups xmm0, xmmword [str.PPPPPPPPPPPPPPP00000000000_n]
movups xmmword [rsp + 0x40], xmm0
movups xmm1, xmmword [0x1400817d8]
movups xmmword [rsp + 0x50], xmm1
movups xmm0, xmmword [0x1400817e8]
movups xmmword [rsp + 0x60], xmm0
movsd xmm0, qword [0x1400817f8]
movsd qword [rsp + 0x70], xmm0
mov eax, dword [0x140081800]
mov dword [rsp + 0x78], eax
movzx eax, word [0x140081804]
mov word [rsp + 0x7c], ax
movzx eax, byte [str.5X_RSP]
mov byte [rsp + 0x7e], al
xor r8d, r8d
cmp dword [0x140090090], 2
jl 0x14000f67d
movdqa xmm5, xmmword [0x140084890]
movdqa xmm4, xmmword [0x1400849b0]
movdqa xmm6, xmmword [0x1400848e0]
movdqa xmm0, xmmword [str.11111111111111114444444444444444]
movdqa xmmword [rsp + 0x30], xmm0
lea rcx, [rsp + 0x44]
mov edx, dword [rsp + 0x30]
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
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 [0x140084950]
packuswb xmm2, xmm2
movd xmm0, edx
paddb xmm2, xmm0
movd xmm0, dword [rcx - 4]
xorps 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
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 [0x140084950]
packuswb xmm2, xmm2
movd xmm0, edx
paddb xmm2, xmm0
movd xmm0, dword [rcx]
xorps xmm2, xmm0
movd dword [rcx], xmm2
add r8d, 8
lea rcx, [rcx + 8]
cmp r8d, 0x38
jl 0x14000f570
cmp r8d, 0x3f
jge 0x14000f6c3
movsxd rax, r8d
lea r9, [rsp + 0x40]
add r9, rax
nop dword [rax + rax]
mov eax, 0x8d3dcb09
imul r8d
add edx, r8d
sar edx, 5
mov eax, edx
shr eax, 0x1f
add edx, eax
movsx eax, dl
imul ecx, eax, 0x3a
movzx eax, r8b
sub al, cl
add al, 0x31
xor byte [r9], al
inc r8d
lea r9, [r9 + 1]
cmp r8d, 0x3f
jl 0x14000f690
xorps xmm0, xmm0
movups xmmword [rbp - 0x80], xmm0
mov qword [rbp - 0x70], 0
mov qword [rbp - 0x68], 0
lea rax, [rsp + 0x40]
mov r8, 0xffffffffffffffff
inc r8
cmp byte [rax + r8], 0
jne 0x14000f6e6
lea rdx, [rsp + 0x40]
lea rcx, [rbp - 0x80]
call fcn.1400055d0
nop
call fcn.14004887c
mov edx, eax
mov dword [rbp + 0x1424], 0xffffffff
mov dword [rbp + 0xa4], eax
mov ecx, 1
nop dword [rax + rax]
mov eax, edx
shr eax, 0x1e
xor eax, edx
imul edx, eax, 0x6c078965
add edx, ecx
mov dword [rbp + rcx*4 + 0xa4], edx
inc rcx
cmp rcx, 0x270
jb 0x14000f720
mov ebx, 0x270
mov dword [rbp + 0xa0], ebx
mov esi, dword [rbp - 0x70]
dec esi
xor edx, edx
mov r8d, 0xf8
lea rcx, [rbp - 0x60]
call fcn.14006ec30
lea rcx, [rbp - 0x60]
call fcn.140010e50
nop
mov r15d, 8
mov r13, qword [rbp - 0x68]
mov r14, qword [rbp - 0x80]
nop dword [rax + rax]
cmp esi, 0xffffffff
jne 0x14000f91b
cmp ebx, 0x270
jne 0x14000f7e4
lea r8, [rbp + 0xa8]
mov r9d, ebx
nop dword [rax + rax]
mov edx, dword [r8 - 4]
xor edx, dword [r8]
btr edx, 0x1f
xor edx, dword [r8 - 4]
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
xor ecx, dword [r8 + 0x630]
shr edx, 1
xor ecx, edx
mov dword [r8 + 0x9bc], ecx
lea r8, [r8 + 4]
sub r9, 1
jne 0x14000f7a0
mov ebx, dword [rbp + 0xa0]
jmp 0x14000f8dc
cmp ebx, 0x4e0
jb 0x14000f8dc
xor r8d, r8d
lea r9, [rbp + 0xa64]
lea r10, [rbp + 0x1098]
lea r11, [rbp + 0xa4]
nop dword [rax + rax]
mov edx, dword [r9 + r8*4]
xor edx, dword [rbp + r8*4 + 0xa68]
btr edx, 0x1f
xor edx, dword [r9 + r8*4]
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
xor ecx, dword [r10 + r8*4]
shr edx, 1
xor ecx, edx
mov dword [r11 + r8*4], ecx
inc r8
cmp r8, 0xe3
jb 0x14000f810
mov r8d, 0xe3
lea r9, [rbp + 0xa68]
lea r10, [rbp + 0xa4]
nop
mov eax, dword [rbp + r8*4 + 0xa64]
mov edx, eax
xor edx, dword [r9 + r8*4]
btr edx, 0x1f
xor edx, eax
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
xor ecx, dword [rbp + r8*4 - 0x2e8]
shr edx, 1
xor ecx, edx
mov dword [r10 + r8*4], ecx
inc r8
cmp r8, 0x26f
jb 0x14000f860
mov edx, dword [rbp + 0x1420]
and edx, 0x80000000
mov eax, dword [rbp + 0xa4]
btr eax, 0x1f
or edx, eax
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
shr edx, 1
xor ecx, edx
xor ecx, dword [rbp + 0x6d4]
mov dword [rbp + 0xa60], ecx
xor ebx, ebx
mov dword [rbp + 0xa0], ebx
mov eax, ebx
mov edx, dword [rbp + rax*4 + 0xa4]
inc ebx
mov dword [rbp + 0xa0], ebx
mov eax, edx
shr eax, 0xb
and eax, dword [rbp + 0x1424]
xor edx, eax
mov eax, edx
and eax, 0xff3a58ad
shl eax, 7
xor edx, eax
mov eax, edx
and eax, 0xffffdf8c
shl eax, 0xf
xor edx, eax
mov ecx, edx
shr ecx, 0x12
xor ecx, edx
jmp 0x14000f964
lea ebx, [rsi + 1]
lea rcx, [rbp + 0xa0]
call fcn.140011550
mov edi, ebx
mov ecx, eax
imul rcx, rdi
cmp ecx, ebx
jae 0x14000f95a
mov eax, ebx
neg eax
xor edx, edx
div ebx
mov ebx, edx
cmp ecx, edx
jae 0x14000f95a
lea rcx, [rbp + 0xa0]
call fcn.140011550
mov ecx, eax
imul rcx, rdi
cmp ecx, ebx
jb 0x14000f944
shr rcx, 0x20
mov ebx, dword [rbp + 0xa0]
lea rax, [rbp - 0x80]
cmp r13, 0xf
cmova rax, r14
movsxd rdx, ecx
movzx edx, byte [rdx + rax]
lea rcx, [rbp - 0x50]
call fcn.140011270
sub r15, 1
jne 0x14000f780
mov rdx, r12
lea rcx, [rbp - 0x48]
call fcn.140004cd0
nop
lea rcx, [rbp - 0x60]
call fcn.14000fa20
nop
cmp r13, 0xf
jbe 0x14000f9d4
lea rdx, [r13 + 1]
mov rax, r14
cmp rdx, 0x1000
jb 0x14000f9cc
add rdx, 0x27
mov r14, qword [r14 - 8]
sub rax, r14
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x14000fa0c
mov rcx, r14
call fcn.1400491b0
mov rax, r12
mov rcx, qword [rbp + 0x1430]
xor rcx, rsp
call fcn.140049190
lea r11, [rsp + 0x1550]
mov rbx, qword [r11 + 0x38]
mov rsi, qword [r11 + 0x40]
mov rdi, qword [r11 + 0x48]
movaps xmm6, xmmword [r11 - 0x10]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rbp
ret
call fcn.1400500ac
int3