Function at 0x1800018d0
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 - 0x1330]
mov eax, 0x1430
call fcn.180080740
sub rsp, rax
movaps xmmword [rsp + 0x1420], xmm6
mov rax, qword [0x1800f0028]
xor rax, rsp
mov qword [rbp + 0x1310], rax
mov r15, rcx
mov qword [rsp + 0x70], rcx
xorps xmm6, xmm6
mov qword [rsp + 0x48], 0
mov dword [rsp + 0x50], 0
xorps xmm0, xmm0
movdqu xmmword [rsp + 0x58], xmm0
xor r14d, r14d
mov qword [rsp + 0x68], r14
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov dword [rbp + 0x1304], 0xffffffff
mov dword [rbp - 0x7c], eax
lea edx, [r14 + 1]
nop word [rax + rax]
mov ecx, eax
shr ecx, 0x1e
xor ecx, eax
imul eax, ecx, 0x6c078965
add eax, edx
mov dword [rbp + rdx*4 - 0x7c], eax
inc rdx
cmp rdx, 0x270
jb 0x180001960
mov dword [rbp - 0x80], 0x270
mov eax, dword [0x1801dd5c0]
test eax, eax
jne 0x180001c07
xorps xmm0, xmm0
movdqu xmmword [rsp + 0x28], xmm0
mov qword [rsp + 0x38], r14
mov rbx, qword [r15 + 0x288]
lea rdx, [0x180083f1c]
lea rcx, [rsp + 0x40]
call fcn.18006e4d0
mov rdx, rax
mov rcx, rbx
call fcn.180070400
mov dword [rsp + 0x20], eax
lea r8, [rsp + 0x20]
xor edx, edx
lea rcx, [rsp + 0x28]
call fcn.180003030
mov rbx, qword [r15 + 0x288]
lea rdx, str.Neck_01
lea rcx, [rsp + 0x40]
call fcn.18006e4d0
mov rdx, rax
mov rcx, rbx
call fcn.180070400
mov dword [rsp + 0x20], eax
mov r15, qword [rsp + 0x30]
mov r13, qword [rsp + 0x38]
cmp r15, r13
je 0x180001a1e
mov dword [r15], eax
add r15, 4
mov qword [rsp + 0x30], r15
jmp 0x180001a3a
lea r8, [rsp + 0x20]
mov rdx, r15
lea rcx, [rsp + 0x28]
call fcn.180003030
mov r13, qword [rsp + 0x38]
mov r15, qword [rsp + 0x30]
mov r12d, r14d
mov rsi, qword [rsp + 0x28]
sub r15, rsi
sar r15, 2
test r15, r15
je 0x180001bb8
mov rdi, qword [rsp + 0x60]
mov r13, qword [rsp + 0x70]
nop dword [rax]
mov rbx, qword [r13 + 0x288]
mov r8d, dword [rsi]
lea rdx, [rsp + 0x40]
mov rcx, rbx
call fcn.180070130
mov r8, rax
lea rdx, [rsp + 0x70]
mov rcx, rbx
call fcn.18006fe50
movss xmm0, dword [rax]
movss dword [0x1801de4e0], xmm0
movss xmm1, dword [rax + 4]
movss dword [0x1801de4e4], xmm1
movss xmm2, dword [rax + 8]
movss dword [0x1801de4e8], xmm2
ucomiss xmm0, xmm6
jp 0x180001ab4
je 0x180001b0b
ucomiss xmm1, xmm6
jp 0x180001abb
je 0x180001b0b
movss dword [rsp + 0x48], xmm0
movss dword [rsp + 0x4c], xmm1
movss dword [rsp + 0x50], xmm2
cmp rdi, r14
je 0x180001aef
unpcklps xmm0, xmm1
movsd qword [rsp + 0x48], xmm0
movsd qword [rdi], xmm0
movss dword [rdi + 8], xmm2
add rdi, 0xc
mov qword [rsp + 0x60], rdi
jmp 0x180001b0b
lea r8, [rsp + 0x48]
mov rdx, rdi
lea rcx, [rsp + 0x58]
call fcn.1800031d0
mov r14, qword [rsp + 0x68]
mov rdi, qword [rsp + 0x60]
inc r12d
add rsi, 4
movsxd rax, r12d
cmp rax, r15
jb 0x180001a60
mov rbx, qword [rsp + 0x58]
cmp rbx, rdi
mov rsi, qword [rsp + 0x28]
mov r13, qword [rsp + 0x38]
je 0x180001bbd
lea r8, [rbp - 0x80]
mov rdx, rdi
mov rcx, rbx
call fcn.180002910
movss xmm2, dword [rbx]
movss dword [0x1801de4f0], xmm2
movss xmm3, dword [rbx + 4]
movss dword [0x1801de4f4], xmm3
movss xmm0, dword [rbx + 8]
movss dword [0x1801de4f8], xmm0
test rsi, rsi
je 0x180002165
sub r13, rsi
sar r13, 2
lea rdx, [r13*4]
mov rax, rsi
cmp rdx, 0x1000
jb 0x180001ba8
add rdx, 0x27
mov rsi, qword [rsi - 8]
sub rax, rsi
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x1800021ac
mov rcx, rsi
call fcn.18007f624
mov dil, 1
jmp 0x1800021bb
mov rbx, qword [rsp + 0x58]
test rsi, rsi
je 0x1800021b8
sub r13, rsi
sar r13, 2
lea rdx, [r13*4]
mov rax, rsi
cmp rdx, 0x1000
jb 0x180001bfa
add rdx, 0x27
mov rsi, qword [rsi - 8]
sub rax, rsi
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x1800021ac
mov rcx, rsi
call fcn.18007f624
jmp 0x1800021b8
cmp eax, 1
jne 0x180001ea3
xorps xmm0, xmm0
movdqu xmmword [rsp + 0x28], xmm0
mov qword [rsp + 0x38], r14
mov rbx, qword [r15 + 0x288]
lea rdx, str.spine_03
lea rcx, [rsp + 0x40]
call fcn.18006e4d0
mov rdx, rax
mov rcx, rbx
call fcn.180070400
mov dword [rsp + 0x20], eax
lea r8, [rsp + 0x20]
xor edx, edx
lea rcx, [rsp + 0x28]
call fcn.180003030
mov rbx, qword [r15 + 0x288]
lea rdx, str.spine_01
lea rcx, [rsp + 0x40]
call fcn.18006e4d0
mov rdx, rax
mov rcx, rbx
call fcn.180070400
mov dword [rsp + 0x20], eax
mov rsi, qword [rsp + 0x30]
mov r13, qword [rsp + 0x38]
cmp rsi, r13
je 0x180001c99
mov dword [rsi], eax
add rsi, 4
mov qword [rsp + 0x30], rsi
jmp 0x180001cb5
lea r8, [rsp + 0x20]
mov rdx, rsi
lea rcx, [rsp + 0x28]
call fcn.180003030
mov r13, qword [rsp + 0x38]
mov rsi, qword [rsp + 0x30]
mov rbx, qword [r15 + 0x288]
lea rdx, str.spine_02
lea rcx, [rsp + 0x40]
call fcn.18006e4d0
mov rdx, rax
mov rcx, rbx
call fcn.180070400
mov dword [rsp + 0x20], eax
cmp rsi, r13
je 0x180001cee
mov dword [rsi], eax
add rsi, 4
mov qword [rsp + 0x30], rsi
jmp 0x180001d0a
lea r8, [rsp + 0x20]
mov rdx, rsi
lea rcx, [rsp + 0x28]
call fcn.180003030
mov r13, qword [rsp + 0x38]
mov rsi, qword [rsp + 0x30]
mov r12d, r14d
mov r15, qword [rsp + 0x28]
sub rsi, r15
sar rsi, 2
test rsi, rsi
je 0x180001e54
mov rdi, qword [rsp + 0x60]
mov r13, qword [rsp + 0x70]
nop dword [rax]
mov rbx, qword [r13 + 0x288]
mov r8d, dword [r15]
lea rdx, [rsp + 0x40]
mov rcx, rbx
call fcn.180070130
mov r8, rax
lea rdx, [rsp + 0x70]
mov rcx, rbx
call fcn.18006fe50
movss xmm0, dword [rax]
movss dword [0x1801de4e0], xmm0
movss xmm1, dword [rax + 4]
movss dword [0x1801de4e4], xmm1
movss xmm2, dword [rax + 8]
movss dword [0x1801de4e8], xmm2
ucomiss xmm0, xmm6
jp 0x180001d84
je 0x180001ddb
ucomiss xmm1, xmm6
jp 0x180001d8b
je 0x180001ddb
movss dword [rsp + 0x48], xmm0
movss dword [rsp + 0x4c], xmm1
movss dword [rsp + 0x50], xmm2
cmp rdi, r14
je 0x180001dbf
unpcklps xmm0, xmm1
movsd qword [rsp + 0x48], xmm0
movsd qword [rdi], xmm0
movss dword [rdi + 8], xmm2
add rdi, 0xc
mov qword [rsp + 0x60], rdi
jmp 0x180001ddb
lea r8, [rsp + 0x48]
mov rdx, rdi
lea rcx, [rsp + 0x58]
call fcn.1800031d0
mov r14, qword [rsp + 0x68]
mov rdi, qword [rsp + 0x60]
inc r12d
add r15, 4
movsxd rax, r12d
cmp rax, rsi
jb 0x180001d30
mov rbx, qword [rsp + 0x58]
cmp rbx, rdi
mov r15, qword [rsp + 0x28]
mov r13, qword [rsp + 0x38]
je 0x180001e59
lea r8, [rbp - 0x80]
mov rdx, rdi
mov rcx, rbx
call fcn.180002910
movss xmm2, dword [rbx]
movss dword [0x1801de4f0], xmm2
movss xmm3, dword [rbx + 4]
movss dword [0x1801de4f4], xmm3
movss xmm0, dword [rbx + 8]
movss dword [0x1801de4f8], xmm0
test r15, r15
je 0x180002165
sub r13, r15
sar r13, 2
lea rdx, [r13*4]
jmp 0x18000213c
mov rbx, qword [rsp + 0x58]
test r15, r15
je 0x1800021b8
sub r13, r15
sar r13, 2
lea rdx, [r13*4]
mov rax, r15
cmp rdx, 0x1000
jb 0x180001e96
add rdx, 0x27
mov r15, qword [r15 - 8]
sub rax, r15
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x1800021ac
mov rcx, r15
call fcn.18007f624
jmp 0x1800021b8
cmp eax, 2
jne 0x1800021b3
xorps xmm0, xmm0
movdqu xmmword [rsp + 0x28], xmm0
mov qword [rsp + 0x38], r14
mov rbx, qword [r15 + 0x288]
lea rdx, str.Neck_01
lea rcx, [rsp + 0x40]
call fcn.18006e4d0
mov rdx, rax
mov rcx, rbx
call fcn.180070400
mov dword [rsp + 0x20], eax
lea r8, [rsp + 0x20]
xor edx, edx
lea rcx, [rsp + 0x28]
call fcn.180003030
mov rbx, qword [r15 + 0x288]
lea rdx, str.spine_03
lea rcx, [rsp + 0x40]
call fcn.18006e4d0
mov rdx, rax
mov rcx, rbx
call fcn.180070400
mov dword [rsp + 0x20], eax
mov rdi, qword [rsp + 0x30]
mov r12, qword [rsp + 0x38]
cmp rdi, r12
je 0x180001f35
mov dword [rdi], eax
add rdi, 4
mov qword [rsp + 0x30], rdi
jmp 0x180001f51
lea r8, [rsp + 0x20]
mov rdx, rdi
lea rcx, [rsp + 0x28]
call fcn.180003030
mov r12, qword [rsp + 0x38]
mov rdi, qword [rsp + 0x30]
mov rbx, qword [r15 + 0x288]
lea rdx, str.spine_02
lea rcx, [rsp + 0x40]
call fcn.18006e4d0
mov rdx, rax
mov rcx, rbx
call fcn.180070400
mov dword [rsp + 0x20], eax
cmp rdi, r12
je 0x180001f8a
mov dword [rdi], eax
add rdi, 4
mov qword [rsp + 0x30], rdi
jmp 0x180001fa6
lea r8, [rsp + 0x20]
mov rdx, rdi
lea rcx, [rsp + 0x28]
call fcn.180003030
mov r12, qword [rsp + 0x38]
mov rdi, qword [rsp + 0x30]
mov rbx, qword [r15 + 0x288]
lea rdx, str.spine_01
lea rcx, [rsp + 0x40]
call fcn.18006e4d0
mov rdx, rax
mov rcx, rbx
call fcn.180070400
mov dword [rsp + 0x20], eax
cmp rdi, r12
je 0x180001fdf
mov dword [rdi], eax
add rdi, 4
mov qword [rsp + 0x30], rdi
jmp 0x180001ffb
lea r8, [rsp + 0x20]
mov rdx, rdi
lea rcx, [rsp + 0x28]
call fcn.180003030
mov r12, qword [rsp + 0x38]
mov rdi, qword [rsp + 0x30]
mov r13d, r14d
mov r15, qword [rsp + 0x28]
sub rdi, r15
sar rdi, 2
test rdi, rdi
je 0x18000216a
mov rsi, qword [rsp + 0x60]
mov r12, qword [rsp + 0x70]
nop dword [rax]
mov rbx, qword [r12 + 0x288]
mov r8d, dword [r15]
lea rdx, [rsp + 0x40]
mov rcx, rbx
call fcn.180070130
mov r8, rax
lea rdx, [rsp + 0x70]
mov rcx, rbx
call fcn.18006fe50
movss xmm0, dword [rax]
movss dword [0x1801de4e0], xmm0
movss xmm1, dword [rax + 4]
movss dword [0x1801de4e4], xmm1
movss xmm2, dword [rax + 8]
movss dword [0x1801de4e8], xmm2
ucomiss xmm0, xmm6
jp 0x180002075
je 0x1800020cc
ucomiss xmm1, xmm6
jp 0x18000207c
je 0x1800020cc
movss dword [rsp + 0x48], xmm0
movss dword [rsp + 0x4c], xmm1
movss dword [rsp + 0x50], xmm2
cmp rsi, r14
je 0x1800020b0
unpcklps xmm0, xmm1
movsd qword [rsp + 0x48], xmm0
movsd qword [rsi], xmm0
movss dword [rsi + 8], xmm2
add rsi, 0xc
mov qword [rsp + 0x60], rsi
jmp 0x1800020cc
lea r8, [rsp + 0x48]
mov rdx, rsi
lea rcx, [rsp + 0x58]
call fcn.1800031d0
mov r14, qword [rsp + 0x68]
mov rsi, qword [rsp + 0x60]
inc r13d
add r15, 4
movsxd rax, r13d
cmp rax, rdi
jb 0x180002020
mov rbx, qword [rsp + 0x58]
cmp rbx, rsi
mov r15, qword [rsp + 0x28]
mov r12, qword [rsp + 0x38]
je 0x18000216f
lea r8, [rbp - 0x80]
mov rdx, rsi
mov rcx, rbx
call fcn.180002910
movss xmm2, dword [rbx]
movss dword [0x1801de4f0], xmm2
movss xmm3, dword [rbx + 4]
movss dword [0x1801de4f4], xmm3
movss xmm0, dword [rbx + 8]
movss dword [0x1801de4f8], xmm0
test r15, r15
je 0x180002165
sub r12, r15
sar r12, 2
lea rdx, [r12*4]
cmp rdx, 0x1000
mov rax, r15
jb 0x18000215d
add rdx, 0x27
mov r15, qword [r15 - 8]
sub rax, r15
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x1800021ac
mov rcx, r15
call fcn.18007f624
mov dil, 1
jmp 0x1800021bb
mov rbx, qword [rsp + 0x58]
test r15, r15
je 0x1800021b8
sub r12, r15
sar r12, 2
lea rdx, [r12*4]
mov rax, r15
cmp rdx, 0x1000
jb 0x180001e96
add rdx, 0x27
mov r15, qword [r15 - 8]
sub rax, r15
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x180001e96
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
mov rbx, qword [rsp + 0x58]
xor dil, dil
test rbx, rbx
je 0x180002215
sub r14, rbx
movabs rax, 0x2aaaaaaaaaaaaaab
imul r14
sar rdx, 1
mov rax, rdx
shr rax, 0x3f
add rdx, rax
lea rdx, [rdx + rdx*2]
shl rdx, 2
mov rax, rbx
cmp rdx, 0x1000
jb 0x18000220d
add rdx, 0x27
mov rbx, qword [rbx - 8]
sub rax, rbx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x18000220d
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
mov rcx, rbx
call fcn.18007f624
movzx eax, dil
mov rcx, qword [rbp + 0x1310]
xor rcx, rsp
call fcn.18007f5c0
lea r11, [rsp + 0x1430]
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