Function at 0x664e00
Capabilities:
Encode data using xor

Disassembly:
mov qword [rsp + 0x20], r9
mov qword [rsp + 8], rcx
mov eax, 0xa8
call fcn.00693bc0
sub rsp, rax
mov qword [rsp + 0xa0], rbx
mov qword [rsp + 0x98], rbp
mov qword [rsp + 0x90], rsi
mov qword [rsp + 0x70], r14
mov rcx, r9
mov qword [rsp + 0x68], r15
mov r15, r8
mov rbp, r9
mov rbx, rdx
xor esi, esi
call fcn.005e0fc0
mov rcx, rbp
call fcn.005e1140
test rax, rax
mov r14, rax
mov qword [rsp + 0x50], rax
je 0x66522a
mov rcx, rbp
call fcn.005e1140
test rax, rax
mov qword [rsp + 0x28], rax
je 0x66522a
mov rcx, rbp
mov qword [rsp + 0x80], r12
call fcn.005e1140
test rax, rax
mov r12, rax
mov qword [rsp + 0x48], rax
je 0x665222
mov rcx, rbp
mov qword [rsp + 0x88], rdi
call fcn.005e1140
test rax, rax
mov rdi, rax
mov qword [rsp + 0x30], rax
je 0x66521a
mov r8, r15
mov rdx, rbx
mov rcx, r12
call fcn.00664840
test eax, eax
je 0x66521a
cmp dword [r12 + 8], esi
je 0x66521a
mov rdx, r15
mov rcx, rdi
call fcn.005c68f0
test rax, rax
je 0x66521a
mov rcx, r12
call fcn.005c6580
mov rcx, rdi
mov ebp, eax
call fcn.005c6580
movsxd rdi, dword [r15 + 8]
cmp edi, dword [r12 + 0xc]
mov dword [rsp + 0x20], eax
mov dword [rsp + 0x24], edi
jle 0x664f21
mov edx, edi
mov rcx, r12
call fcn.005c6870
movsxd rax, dword [r12 + 8]
mov rbx, qword [r12]
cmp rax, rdi
jge 0x664f44
mov r8, rdi
lea rcx, [rbx + rax*8]
xor edx, edx
sub r8, rax
shl r8, 3
call sub.msvcrt.dll_memset
mov dword [r12 + 8], edi
cmp edi, dword [r14 + 0xc]
jle 0x664f59
mov edx, edi
mov rcx, r14
call fcn.005c6870
mov eax, 1
mov qword [rsp + 0x78], r13
mov r13, qword [r14]
cmp rdi, rax
mov r8, rdi
mov qword [r13], rax
jle 0x664f84
dec r8
lea rcx, [r13 + 8]
xor edx, edx
shl r8, 3
call sub.msvcrt.dll_memset
mov r8, qword [rsp + 0x28]
mov dword [r14 + 8], edi
cmp edi, dword [r8 + 0xc]
jle 0x664fa2
mov edx, edi
mov rcx, r8
call fcn.005c6870
mov r8, qword [rsp + 0x28]
test edi, edi
mov rcx, qword [r8]
mov qword [rsp + 0x40], rcx
jle 0x664fc1
mov r8, rdi
xor edx, edx
shl r8, 3
call sub.msvcrt.dll_memset
mov r8, qword [rsp + 0x28]
mov rcx, qword [rsp + 0x30]
mov dword [r8 + 8], edi
mov r9, qword [rcx]
mov qword [rsp + 0x38], r9
test ebp, ebp
je 0x6650b4
nop
nop
mov r9, qword [rbx]
test r9b, 1
jne 0x66509b
mov r8, qword [r13]
mov rax, qword [r15]
mov r11, rsi
mov rcx, qword [rax]
mov r10b, r8b
lea eax, [rdi - 1]
and r10d, 1
neg r10
and rcx, r10
xor r8, rcx
test eax, eax
jle 0x665084
mov rdi, rbx
mov rsi, 0xfffffffffffffff8
lea r12, [r13 + 8]
sub rdi, r13
sub rsi, r13
mov r14d, eax
nop
nop
mov rcx, qword [rdi + r12]
shr r9, 1
shr r8, 1
mov rax, rcx
inc r11
shl rax, 0x3f
or rax, r9
mov r9, rcx
lea rcx, [rsi + r12]
mov qword [rbx + r11*8 - 8], rax
mov rax, qword [r15]
add r12, 8
mov rdx, qword [rcx + rax + 8]
and rdx, r10
xor rdx, qword [r12 - 8]
mov rax, rdx
shl rax, 0x3f
or rax, r8
dec r14
mov r8, rdx
mov qword [r12 - 0x10], rax
jne 0x665030
mov edi, dword [rsp + 0x24]
xor esi, esi
shr r9, 1
shr r8, 1
dec ebp
mov qword [rbx + r11*8], r9
mov qword [r13 + r11*8], r8
jne 0x664fe0
mov r12, qword [rsp + 0x48]
mov r14, qword [rsp + 0x50]
mov rcx, qword [rsp + 0x30]
mov r8, qword [rsp + 0x28]
mov r9, qword [rsp + 0x38]
cmp ebp, 0x40
jg 0x6650c3
cmp qword [rbx], 1
je 0x6651c7
mov r11d, dword [rsp + 0x20]
cmp ebp, r11d
jge 0x665119
mov r13, qword [rsp + 0x40]
mov eax, ebp
mov ebp, r11d
mov r11d, eax
mov dword [rsp + 0x20], eax
mov rax, r12
mov qword [rsp + 0x48], rcx
mov r12, rcx
mov rcx, rax
mov qword [rsp + 0x30], rax
mov rax, r14
mov rbx, r9
mov rdx, qword [rax]
mov r9, qword [rcx]
mov r14, r8
mov qword [rsp + 0x50], r8
mov qword [rsp + 0x28], rax
mov qword [rsp + 0x40], rdx
mov r8, rax
mov qword [rsp + 0x38], r9
jmp 0x66511e
mov rdx, qword [rsp + 0x40]
test edi, edi
movsxd rax, edi
jle 0x66516a
mov r10, rdx
mov rdx, r13
sub r9, rbx
sub r10, rbx
mov rcx, rbx
mov r8, rax
sub rdx, rbx
nop
nop
mov rax, qword [r9 + rcx]
add rcx, 8
xor qword [rcx - 8], rax
mov rax, qword [r10 + rcx - 8]
xor qword [rdx + rcx - 8], rax
dec r8
jne 0x665140
mov rcx, qword [rsp + 0x30]
mov r8, qword [rsp + 0x28]
mov r9, qword [rsp + 0x38]
cmp ebp, r11d
jne 0x664fd2
lea eax, [rbp - 1]
cdq
and edx, 0x3f
add eax, edx
sar eax, 6
movsxd rdi, eax
mov rax, rdi
mov rcx, qword [rbx + rdi*8]
test rcx, rcx
jne 0x6651a4
nop
test rax, rax
je 0x6651a4
mov rcx, qword [rbx + rax*8 - 8]
dec rax
dec edi
test rcx, rcx
je 0x665190
call fcn.005c6470
mov rcx, qword [rsp + 0x30]
mov r8, qword [rsp + 0x28]
mov r9, qword [rsp + 0x38]
shl edi, 6
lea ebp, [rdi + rax]
mov edi, dword [rsp + 0x24]
jmp 0x664fd2
mov edx, dword [r14 + 8]
mov r13, qword [rsp + 0x78]
test edx, edx
jle 0x6651f7
lea eax, [rdx - 1]
movsxd rcx, eax
mov rax, qword [r14]
lea r8, [rax + rcx*8]
mov rax, qword [r8]
sub r8, 8
test rax, rax
jne 0x6651f3
dec edx
test edx, edx
jg 0x6651e1
mov dword [r14 + 8], edx
mov rcx, qword [rsp + 0xb0]
mov rdx, r14
call fcn.005c68f0
mov rbp, qword [rsp + 0xc8]
test rax, rax
mov eax, 1
cmovne esi, eax
mov rdi, qword [rsp + 0x88]
mov r12, qword [rsp + 0x80]
mov rcx, rbp
call fcn.005e10c0
mov r15, qword [rsp + 0x68]
mov r14, qword [rsp + 0x70]
mov rbp, qword [rsp + 0x98]
mov rbx, qword [rsp + 0xa0]
mov eax, esi
mov rsi, qword [rsp + 0x90]
add rsp, 0xa8
ret