Function at 0x14003f9e0
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 - 0x13e0]
mov eax, 0x14e0
call fcn.14012d420
sub rsp, rax
mov rax, qword [0x1401c10c0]
xor rax, rsp
mov qword [rbp + 0x13d0], rax
mov r13, rcx
mov qword [rbp + 0x38], rcx
mov dword [rsp + 0x34], 0
call qword [0x140133750]
mov edx, eax
mov dword [rbp + 0x13c4], 0xffffffff
mov dword [rbp + 0x44], 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 + 0x44], edx
inc rcx
cmp rcx, 0x270
jb 0x14003fa50
mov dword [rbp + 0x40], 0x270
lea r12, str.0123456789ABCDEF
xorps xmm0, xmm0
movups xmmword [rsp + 0x78], xmm0
xor edi, edi
mov qword [rbp - 0x78], rdi
mov r15d, 0xf
mov qword [rbp - 0x70], r15
mov byte [rsp + 0x78], dil
mov dword [rsp + 0x34], 2
mov esi, 0xa
mov r14d, esi
movzx ebx, byte [rsp + 0x30]
nop
lea rcx, [rbp + 0x40]
call fcn.140036da0
mov eax, eax
shl rax, 4
shr rax, 0x20
add eax, 0x80000000
movsxd rcx, eax
xor rcx, 0xffffffff80000000
movzx r9d, byte [r12 + rcx]
cmp rdi, r15
jae 0x14003fafe
lea rax, [rdi + 1]
mov qword [rbp - 0x78], rax
lea rax, [rsp + 0x78]
cmp r15, 0xf
cmova rax, qword [rsp + 0x78]
mov byte [rax + rdi], r9b
mov byte [rax + rdi + 1], 0
jmp 0x14003fb11
movzx r8d, bl
mov edx, 1
lea rcx, [rsp + 0x78]
call fcn.140054760
sub r14, 1
je 0x14003fb21
mov r15, qword [rbp - 0x70]
mov rdi, qword [rbp - 0x78]
jmp 0x14003fab0
xorps xmm0, xmm0
movups xmmword [rsp + 0x58], xmm0
xor edi, edi
mov qword [rsp + 0x68], rdi
mov r15d, 0xf
mov qword [rsp + 0x70], r15
mov byte [rsp + 0x58], dil
mov dword [rsp + 0x34], 6
mov r14, rsi
movzx ebx, byte [rsp + 0x30]
lea rcx, [rbp + 0x40]
call fcn.140036da0
mov eax, eax
shl rax, 4
shr rax, 0x20
add eax, 0x80000000
movsxd rcx, eax
xor rcx, 0xffffffff80000000
movzx r9d, byte [r12 + rcx]
cmp rdi, r15
jae 0x14003fb9f
lea rax, [rdi + 1]
mov qword [rsp + 0x68], rax
lea rax, [rsp + 0x58]
cmp r15, 0xf
cmova rax, qword [rsp + 0x58]
mov byte [rax + rdi], r9b
mov byte [rax + rdi + 1], 0
jmp 0x14003fbb2
movzx r8d, bl
mov edx, 1
lea rcx, [rsp + 0x58]
call fcn.140054760
sub r14, 1
je 0x14003fbc4
mov r15, qword [rsp + 0x70]
mov rdi, qword [rsp + 0x68]
jmp 0x14003fb50
xorps xmm0, xmm0
movups xmmword [rsp + 0x38], xmm0
xor r15d, r15d
mov qword [rsp + 0x48], r15
mov qword [rsp + 0x50], 0xf
mov byte [rsp + 0x38], r15b
mov r14d, 0xe
mov dword [rsp + 0x34], r14d
movzx ebx, byte [rsp + 0x30]
lea rcx, [rbp + 0x40]
call fcn.140036da0
mov eax, eax
shl rax, 4
shr rax, 0x20
add eax, 0x80000000
movsxd rcx, eax
xor rcx, 0xffffffff80000000
movzx r9d, byte [r12 + rcx]
mov rcx, qword [rsp + 0x48]
mov rdx, qword [rsp + 0x50]
cmp rcx, rdx
jae 0x14003fc4b
lea rax, [rcx + 1]
mov qword [rsp + 0x48], rax
lea rax, [rsp + 0x38]
cmp rdx, 0xf
cmova rax, qword [rsp + 0x38]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], r15b
jmp 0x14003fc5e
movzx r8d, bl
mov edx, 1
lea rcx, [rsp + 0x38]
call fcn.140054760
sub rsi, 1
jne 0x14003fbf2
mov rcx, qword [rsp + 0x48]
mov rdx, qword [rsp + 0x50]
mov rax, rdx
sub rax, rcx
lea rsi, [0x14019cf98]
cmp rax, 1
jb 0x14003fcff
lea r8, [rcx + 1]
mov qword [rsp + 0x48], r8
lea rbx, [rsp + 0x38]
cmp rdx, 0xf
cmova rbx, qword [rsp + 0x38]
lea rax, [0x14019cf99]
cmp rax, rbx
jbe 0x14003fcc0
lea rax, [rbx + rcx]
cmp rsi, rax
ja 0x14003fcc0
cmp rbx, rsi
ja 0x14003fcb8
mov rdi, r15
jmp 0x14003fcc5
mov rdi, rbx
sub rdi, rsi
jmp 0x14003fcc5
mov edi, 1
lea rcx, [rbx + 1]
mov rdx, rbx
call fcn.14012dcf4
mov r8, rdi
mov rdx, rsi
mov rcx, rbx
call fcn.14012dcee
mov r8d, 1
sub r8, rdi
lea rdx, [rsi + 1]
add rdx, rdi
lea rcx, [rbx + rdi]
call fcn.14012dcee
lea rax, [rsp + 0x38]
jmp 0x14003fd25
mov qword [rsp + 0x28], 1
mov qword [rsp + 0x20], rsi
xor r9d, r9d
movzx r8d, byte [rsp + 0x30]
mov edx, 1
lea rcx, [rsp + 0x38]
call fcn.14005aab0
xorps xmm0, xmm0
movups xmmword [rbp - 0x68], xmm0
xorps xmm1, xmm1
movdqu xmmword [rbp - 0x58], xmm1
movups xmm0, xmmword [rax]
movups xmmword [rbp - 0x68], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp - 0x58], xmm1
mov qword [rax + 0x18], 0xf
mov qword [rax + 0x10], r15
mov byte [rax], r15b
or r14d, 0x10
mov dword [rsp + 0x34], r14d
mov r8d, 1
lea rdx, [0x14019cfec]
lea rcx, [rbp - 0x68]
call fcn.14004e1d0
movups xmm0, xmmword [rax]
movups xmmword [rbp + 0x18], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp + 0x28], xmm1
mov qword [rax + 0x18], 0xf
mov qword [rax + 0x10], r15
mov byte [rax], 0
or r14d, 0x20
mov dword [rsp + 0x34], r14d
lea r9, [rsp + 0x58]
lea r8, [rbp + 0x18]
movzx edx, byte [rsp + 0x30]
lea rcx, [rbp - 0x28]
call fcn.1400563d0
or r14d, 0x40
mov dword [rsp + 0x34], r14d
mov r8d, 1
lea rdx, [0x14019cfec]
lea rcx, [rbp - 0x28]
call fcn.14004e1d0
movups xmm0, xmmword [rax]
movups xmmword [rbp - 8], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp + 8], xmm1
mov qword [rax + 0x18], 0xf
mov qword [rax + 0x10], r15
mov byte [rax], 0
bts r14d, 7
mov dword [rsp + 0x34], r14d
lea r9, [rsp + 0x78]
lea r8, [rbp - 8]
movzx edx, byte [rsp + 0x30]
lea rcx, [rbp - 0x48]
call fcn.1400563d0
bts r14d, 8
mov dword [rsp + 0x34], r14d
mov r8d, 1
lea rdx, [0x14019cf94]
lea rcx, [rbp - 0x48]
call fcn.14004e1d0
xorps xmm0, xmm0
movups xmmword [r13], xmm0
mov qword [r13 + 0x10], r15
mov qword [r13 + 0x18], r15
movups xmm0, xmmword [rax]
movups xmmword [r13], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [r13 + 0x10], xmm1
mov qword [rax + 0x10], r15
mov qword [rax + 0x18], 0xf
mov byte [rax], 0
mov rdx, qword [rbp - 0x30]
cmp rdx, 0xf
jbe 0x14003fe9b
inc rdx
mov rcx, qword [rbp - 0x48]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14003fe96
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14003fe96
call qword [0x140133ce8]
int3
call fcn.14012cdb4
movdqa xmm0, xmmword [0x1401a3c10]
movdqu xmmword [rbp - 0x38], xmm0
mov byte [rbp - 0x48], 0
mov rdx, qword [rbp + 0x10]
cmp rdx, 0xf
jbe 0x14003fef2
inc rdx
mov rcx, qword [rbp - 8]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14003fee5
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14003fee5
call qword [0x140133ce8]
int3
call fcn.14012cdb4
movdqa xmm0, xmmword [0x1401a3c10]
mov rdx, qword [rbp - 0x10]
cmp rdx, 0xf
jbe 0x14003ff38
inc rdx
mov rcx, qword [rbp - 0x28]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14003ff2b
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14003ff2b
call qword [0x140133ce8]
int3
call fcn.14012cdb4
movdqa xmm0, xmmword [0x1401a3c10]
movdqu xmmword [rbp - 0x18], xmm0
mov byte [rbp - 0x28], 0
mov rdx, qword [rbp + 0x30]
cmp rdx, 0xf
jbe 0x14003ff87
inc rdx
mov rcx, qword [rbp + 0x18]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14003ff7a
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14003ff7a
call qword [0x140133ce8]
int3
call fcn.14012cdb4
movdqa xmm0, xmmword [0x1401a3c10]
mov rdx, qword [rbp - 0x50]
cmp rdx, 0xf
jbe 0x14003ffcd
inc rdx
mov rcx, qword [rbp - 0x68]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14003ffc0
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14003ffc0
call qword [0x140133ce8]
int3
call fcn.14012cdb4
movdqa xmm0, xmmword [0x1401a3c10]
movdqu xmmword [rbp - 0x58], xmm0
mov byte [rbp - 0x68], 0
mov rdx, qword [rsp + 0x50]
cmp rdx, 0xf
jbe 0x140040016
inc rdx
mov rcx, qword [rsp + 0x38]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140040011
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x140040011
call qword [0x140133ce8]
int3
call fcn.14012cdb4
mov qword [rsp + 0x48], r15
mov qword [rsp + 0x50], 0xf
mov byte [rsp + 0x38], 0
mov rdx, qword [rsp + 0x70]
cmp rdx, 0xf
jbe 0x14004006a
inc rdx
mov rcx, qword [rsp + 0x58]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140040064
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x140040064
call qword [0x140133ce8]
int3
call fcn.14012cdb4
nop
mov rdx, qword [rbp - 0x70]
cmp rdx, 0xf
jbe 0x1400400a9
inc rdx
mov rcx, qword [rsp + 0x78]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400400a4
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400400a4
call qword [0x140133ce8]
int3
call fcn.14012cdb4
mov rax, r13
mov rcx, qword [rbp + 0x13d0]
xor rcx, rsp
call fcn.14012c680
lea r11, [rsp + 0x14e0]
mov rbx, qword [r11 + 0x38]
mov rsi, qword [r11 + 0x40]
mov rdi, qword [r11 + 0x48]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rbp
ret