Function at 0x140053680
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rsi
push rbp
push rdi
push r12
push r14
push r15
lea rbp, [rsp - 0x1cc0]
mov eax, 0x1dc0
call fcn.140069fa0
sub rsp, rax
mov rax, qword [0x1400c0688]
xor rax, rsp
mov qword [rbp + 0x1cb0], rax
mov rdi, rcx
mov qword [rsp + 0x38], rcx
xor r14d, r14d
mov dword [rsp + 0x20], r14d
call fcn.140068f78
mov dword [rsp + 0x28], eax
call fcn.140068f78
mov dword [rsp + 0x2c], eax
call fcn.140068f78
mov dword [rsp + 0x30], eax
call fcn.140068f78
mov dword [rsp + 0x34], eax
xorps xmm0, xmm0
movdqu xmmword [rsp + 0x40], xmm0
mov ecx, r14d
mov qword [rsp + 0x50], rcx
lea rbx, [rsp + 0x28]
mov rdx, qword [rsp + 0x48]
cmp rdx, rcx
je 0x14005371b
mov eax, dword [rbx]
mov dword [rdx], eax
add rdx, 4
mov qword [rsp + 0x48], rdx
jmp 0x140053732
mov r8, rbx
lea rcx, [rsp + 0x40]
call fcn.140031770
mov rcx, qword [rsp + 0x50]
mov rdx, qword [rsp + 0x48]
add rbx, 4
lea rax, [rsp + 0x38]
cmp rbx, rax
jne 0x140053707
mov dword [rbp + 0x12e4], 0xffffffff
mov edx, 0x1571
mov dword [rsp + 0x64], edx
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 [rsp + rcx*4 + 0x64], edx
inc rcx
cmp rcx, 0x270
jb 0x140053760
lea r8, [rbp + 0x1cb0]
lea rdx, [rbp + 0x12f0]
lea rcx, [rsp + 0x40]
call fcn.140034c80
mov edx, r14d
mov r8, r14
nop dword [rax]
mov eax, dword [rbp + r8*4 + 0x12f0]
mov dword [rsp + r8*4 + 0x64], eax
mov ecx, eax
or ecx, edx
mov edx, eax
shr edx, 0x1f
test r8, r8
cmovne edx, ecx
inc r8
cmp r8, 0x270
jb 0x1400537a0
mov eax, dword [rsp + 0x64]
mov ecx, 0x80000000
test edx, edx
cmove eax, ecx
mov dword [rsp + 0x64], eax
mov ebx, 0x270
mov dword [rsp + 0x60], ebx
mov qword [rdi], r14
mov qword [rdi + 0x10], r14
mov qword [rdi + 0x18], r14
mov r8d, 0x1d
lea rdx, str.__cpp_httplib_multipart_data_
mov rcx, rdi
call fcn.14000b120
mov dword [rsp + 0x20], 1
mov esi, reloc.WS2_32.dll_recv
movabs r15, 0x842108421084211
lea r12, [0x14009b020]
cmp ebx, 0x270
jne 0x140053885
lea rax, [rsp + 0x68]
mov r9d, ebx
nop dword [rax]
nop word [rax + rax]
mov r8d, dword [rax - 4]
xor r8d, dword [rax]
btr r8d, 0x1f
xor r8d, dword [rax - 4]
mov ecx, r8d
and cl, 1
neg cl
sbb edx, edx
and edx, 0x9908b0df
xor edx, dword [rax + 0x630]
shr r8d, 1
xor edx, r8d
mov dword [rax + 0x9bc], edx
lea rax, [rax + 4]
sub r9, 1
jne 0x140053840
mov ebx, dword [rsp + 0x60]
jmp 0x140053970
cmp ebx, 0x4e0
jb 0x140053970
mov r8, r14
nop dword [rax]
nop dword [rax + rax]
mov edx, dword [rbp + r8*4 + 0x924]
xor edx, dword [rbp + r8*4 + 0x928]
btr edx, 0x1f
xor edx, dword [rbp + r8*4 + 0x924]
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
xor ecx, dword [rbp + r8*4 + 0xf58]
shr edx, 1
xor ecx, edx
mov dword [rsp + r8*4 + 0x64], ecx
inc r8
cmp r8, 0xe3
jb 0x1400538a0
mov r8d, 0xe3
nop dword [rax]
mov edx, dword [rbp + r8*4 + 0x924]
xor edx, dword [rbp + r8*4 + 0x928]
btr edx, 0x1f
xor edx, dword [rbp + r8*4 + 0x924]
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
xor ecx, dword [rbp + r8*4 - 0x428]
shr edx, 1
xor ecx, edx
mov dword [rsp + r8*4 + 0x64], ecx
inc r8
cmp r8, 0x26f
jb 0x1400538f0
mov edx, dword [rbp + 0x12e0]
xor edx, dword [rsp + 0x64]
btr edx, 0x1f
xor edx, dword [rbp + 0x12e0]
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
shr edx, 1
xor ecx, edx
xor ecx, dword [rbp + 0x594]
mov dword [rbp + 0x920], ecx
mov ebx, r14d
mov dword [rsp + 0x60], ebx
mov eax, ebx
mov ecx, dword [rsp + rax*4 + 0x64]
inc ebx
mov dword [rsp + 0x60], ebx
mov eax, ecx
shr eax, 0xb
and eax, dword [rbp + 0x12e4]
xor ecx, eax
mov eax, ecx
and eax, 0xff3a58ad
shl eax, 7
xor ecx, eax
mov eax, ecx
and eax, 0xffffdf8c
shl eax, 0xf
xor ecx, eax
mov eax, ecx
shr eax, 0x12
xor ecx, eax
mov rax, r15
mul rcx
mov eax, ecx
sub rax, rdx
shr rax, 1
add rax, rdx
shr rax, 5
imul rax, rax, 0x3e
sub rcx, rax
movzx r9d, byte [rcx + r12]
mov rcx, qword [rdi + 0x10]
mov rdx, qword [rdi + 0x18]
cmp rcx, rdx
jae 0x1400539f5
lea rax, [rcx + 1]
mov qword [rdi + 0x10], rax
mov rax, rdi
cmp rdx, 0x10
jb 0x1400539ea
mov rax, qword [rdi]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x140053a04
xor r8d, r8d
lea edx, [r8 + 1]
mov rcx, rdi
call fcn.14000c8e0
sub rsi, 1
jne 0x140053821
mov rcx, qword [rsp + 0x40]
test rcx, rcx
je 0x140053a4a
mov rdx, qword [rsp + 0x50]
sub rdx, rcx
and rdx, 0xfffffffffffffffc
mov rax, rcx
cmp rdx, 0x1000
jb 0x140053a45
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x140053a78
call fcn.140069a84
mov rax, rdi
mov rcx, qword [rbp + 0x1cb0]
xor rcx, rsp
call fcn.140069ba0
lea r11, [rsp + 0x1dc0]
mov rbx, qword [r11 + 0x38]
mov rsi, qword [r11 + 0x40]
mov rsp, r11
pop r15
pop r14
pop r12
pop rdi
pop rbp
ret
call fcn.14007049c
int3