Function at 0x140001290
Capabilities:
Encode data using xor

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rsi
mov qword [rsp + 0x18], rdi
push rbp
lea rbp, [rsp - 0x180]
sub rsp, 0x280
mov rax, qword [0x140007040]
xor rax, rsp
mov qword [rbp + 0x170], rax
xor edi, edi
mov dword [rsp + 0x20], edi
xor edx, edx
mov r8d, 0x110
lea rcx, [rsp + 0x50]
call sub.VCRUNTIME140.dll_memset
lea rsi, [0x140000000]
lea rax, [rsi + 0x4630]
mov qword [rsp + 0x50], rax
lea rcx, [rbp]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::constructor_void____ptr64]
nop
mov dword [rsp + 0x20], 1
xor r9d, r9d
xor r8d, r8d
lea rdx, [rsp + 0x60]
lea rcx, [rsp + 0x50]
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_istream_char__struct_std::char_traits_char__::constructor_class_std::basic_streambuf_char__struct_std::char_traits_char______ptr64__bool____ptr64]
nop
mov rax, qword [rsp + 0x50]
movsxd rcx, dword [rax + 4]
lea rax, vtable.std::basic_ifstream_char__struct_std::char_traits_char__.0
mov qword [rsp + rcx + 0x50], rax
mov rax, qword [rsp + 0x50]
movsxd rcx, dword [rax + 4]
lea edx, [rcx - 0xb0]
mov dword [rsp + rcx + 0x4c], edx
lea rcx, [rsp + 0x60]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_streambuf_char__struct_std::char_traits_char__::constructor_void____ptr64]
lea rbx, vtable.std::basic_filebuf_char__struct_std::char_traits_char__.0
mov qword [rsp + 0x60], rbx
mov byte [rbp - 0x24], dil
mov byte [rbp - 0x2f], dil
lea rcx, [rsp + 0x60]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_streambuf_char__struct_std::char_traits_char__::_Init_void____ptr64]
mov qword [rbp - 0x20], rdi
mov rax, qword [0x1400079f0]
mov qword [rbp - 0x2c], rax
mov qword [rbp - 0x38], rdi
lea r8d, [rdi + 0x21]
lea rdx, str.plaintext.txt
lea rcx, [rsp + 0x60]
call fcn.140002790
test rax, rax
jne 0x1400013b2
mov rax, qword [rsp + 0x50]
movsxd rcx, dword [rax + 4]
lea rax, [rsp + 0x50]
add rcx, rax
xor r8d, r8d
lea edx, [rdi + 2]
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::setstate_int__bool____ptr64]
nop
xor edx, edx
mov r8d, 0x108
lea rcx, [rbp + 0x60]
call sub.VCRUNTIME140.dll_memset
lea rax, [rsi + 0x4628]
mov qword [rbp + 0x60], rax
lea rcx, [rbp + 0x108]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::constructor_void____ptr64]
nop
mov dword [rsp + 0x20], 3
xor r9d, r9d
xor r8d, r8d
lea rdx, [rbp + 0x68]
lea rcx, [rbp + 0x60]
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_ostream_char__struct_std::char_traits_char__::constructor_class_std::basic_streambuf_char__struct_std::char_traits_char______ptr64__bool____ptr64]
nop
mov rax, qword [rbp + 0x60]
movsxd rcx, dword [rax + 4]
lea rax, vtable.std::basic_ofstream_char__struct_std::char_traits_char__.0
mov qword [rbp + rcx + 0x60], rax
mov rax, qword [rbp + 0x60]
movsxd rcx, dword [rax + 4]
lea edx, [rcx - 0xa8]
mov dword [rbp + rcx + 0x5c], edx
lea rcx, [rbp + 0x68]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_streambuf_char__struct_std::char_traits_char__::constructor_void____ptr64]
mov qword [rbp + 0x68], rbx
mov byte [rbp + 0xe4], 0
mov byte [rbp + 0xd9], 0
lea rcx, [rbp + 0x68]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_streambuf_char__struct_std::char_traits_char__::_Init_void____ptr64]
mov qword [rbp + 0xe8], rdi
mov rax, qword [0x1400079f0]
mov qword [rbp + 0xdc], rax
mov qword [rbp + 0xd0], rdi
mov r8d, 0x22
lea rdx, str.encrypted.txt
lea rcx, [rbp + 0x68]
call fcn.140002790
test rax, rax
jne 0x140001499
mov rax, qword [rbp + 0x60]
movsxd rcx, dword [rax + 4]
lea rax, [rbp + 0x60]
add rcx, rax
xor r8d, r8d
lea edx, [r8 + 2]
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::setstate_int__bool____ptr64]
nop
mov rax, qword [rsp + 0x50]
movsxd rcx, dword [rax + 4]
lea rax, [rsp + 0x50]
add rcx, rax
call qword [sym.imp.MSVCP140.dll_public:_bool___cdecl_std::ios_base::operator_bool_void_const___ptr64]
test al, al
je 0x1400015a4
mov rax, qword [rbp + 0x60]
movsxd rcx, dword [rax + 4]
lea rax, [rbp + 0x60]
add rcx, rax
call qword [sym.imp.MSVCP140.dll_public:_bool___cdecl_std::ios_base::operator_bool_void_const___ptr64]
test al, al
je 0x1400015a4
xor edx, edx
lea r8d, [rdx + 2]
lea rcx, [rsp + 0x50]
call qword [sym.imp.MSVCP140.dll_public:_class_std::basic_istream_char__struct_std::char_traits_char______ptr64___cdecl_std::basic_istream_char__struct_std::char_traits_char__::seekg_long_long___int64___int____ptr64]
lea rdx, [rsp + 0x30]
lea rcx, [rsp + 0x50]
call qword [sym.imp.MSVCP140.dll_public:_class_std::fpos_struct__Mbstatet____cdecl_std::basic_istream_char__struct_std::char_traits_char__::tellg_void____ptr64]
mov rbx, qword [rax + 8]
add rbx, qword [rax]
xor r8d, r8d
xor edx, edx
lea rcx, [rsp + 0x50]
call qword [sym.imp.MSVCP140.dll_public:_class_std::basic_istream_char__struct_std::char_traits_char______ptr64___cdecl_std::basic_istream_char__struct_std::char_traits_char__::seekg_long_long___int64___int____ptr64]
movsxd rbx, ebx
mov rcx, rbx
call fcn.140002e34
mov rsi, rax
mov r8, rbx
mov rdx, rax
lea rcx, [rsp + 0x50]
call qword [sym.imp.MSVCP140.dll_public:_class_std::basic_istream_char__struct_std::char_traits_char______ptr64___cdecl_std::basic_istream_char__struct_std::char_traits_char__::read_char____ptr64__long_long___int64_____ptr64]
lea r8, str.secret
mov rcx, 0xffffffffffffffff
nop word [rax + rax]
inc rcx
cmp byte [r8 + rcx], 0
jne 0x140001540
test rbx, rbx
jle 0x14000157c
mov r9, rsi
mov r10, rbx
nop word [rax + rax]
mov eax, edi
cdq
idiv ecx
movsxd rax, edx
movzx eax, byte [rax + r8]
xor byte [r9], al
inc edi
lea r9, [r9 + 1]
sub r10, 1
jne 0x140001560
mov r8, rbx
mov rdx, rsi
lea rcx, [rbp + 0x60]
call qword [sym.imp.MSVCP140.dll_public:_class_std::basic_ostream_char__struct_std::char_traits_char______ptr64___cdecl_std::basic_ostream_char__struct_std::char_traits_char__::write_char_const____ptr64__long_long___int64_____ptr64]
mov rcx, rsi
call fcn.140002df0
lea rdx, str.File_encrypted_successfully__n
mov rcx, qword [sym.imp.MSVCP140.dll_class_std::basic_ostream_char__struct_std::char_traits_char___std::cout]
jmp 0x1400015b2
lea rdx, str.Error:_Unable_to_open_files__n
mov rcx, qword [sym.imp.MSVCP140.dll_class_std::basic_ostream_char__struct_std::char_traits_char___std::cerr]
call fcn.140002900
lea rcx, [rsp + 0x60]
call fcn.1400026d0
test rax, rax
jne 0x1400015e4
mov rax, qword [rsp + 0x50]
movsxd rcx, dword [rax + 4]
lea rax, [rsp + 0x50]
add rcx, rax
xor r8d, r8d
lea edx, [r8 + 2]
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::setstate_int__bool____ptr64]
lea rcx, [rbp + 0x68]
call fcn.1400026d0
test rax, rax
jne 0x14000160f
mov rax, qword [rbp + 0x60]
movsxd rcx, dword [rax + 4]
lea rax, [rbp + 0x60]
add rcx, rax
xor r8d, r8d
lea edx, [r8 + 2]
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::setstate_int__bool____ptr64]
nop
lea rcx, [rbp + 0x60]
call fcn.140001710
nop
lea rcx, [rsp + 0x50]
call fcn.140001650
xor eax, eax
mov rcx, qword [rbp + 0x170]
xor rcx, rsp
call fcn.140002dd0
lea r11, [rsp + 0x280]
mov rbx, qword [r11 + 0x10]
mov rsi, qword [r11 + 0x18]
mov rdi, qword [r11 + 0x20]
mov rsp, r11
pop rbp
ret