Function at 0x14001daa0
Capabilities:
Encode data using xor

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 - 0x220]
sub rsp, 0x320
mov rax, qword [0x140099080]
xor rax, rsp
mov qword [rbp + 0x210], rax
mov r12, rcx
xor r15d, r15d
mov dword [rsp + 0x48], r15d
cmp byte [0x1400997d8], r15b
jne 0x14001db18
xorps xmm0, xmm0
movups xmmword [rbp - 0x80], xmm0
mov qword [rbp - 0x70], r15
mov qword [rbp - 0x68], r15
lea r8d, [r15 + 0x52]
lea rdx, str.You_need_to_run_the_KeyAuthApp.init____function_before_any_other_KeyAuth_functions
lea rcx, [rbp - 0x80]
call fcn.140013210
lea rcx, [rbp - 0x80]
call fcn.1400217c0
mov dword [rsp + 0x70], 0xf0eaf3bd
mov dword [rsp + 0x74], 0xc6c8d2fa
mov word [rsp + 0x78], 0x9e
mov byte [rsp + 0x7a], 1
mov dword [rsp + 0x48], 0xf3fcf2bd
mov dword [rsp + 0x4c], 0x1009dfa
mov dword [rsp + 0x60], 0xedf8efbd
mov dword [rsp + 0x64], 0xcccec9ec
mov dword [rsp + 0x68], 0x98c0ca
mov byte [rsp + 0x6c], 1
mov dword [rsp + 0x50], 0xfbede5ef
mov dword [rsp + 0x54], 0xc7c9c3a2
mov dword [rsp + 0x58], 0x100cfc0
mov rcx, r15
nop dword [rax]
lea eax, [rcx - 0x65]
xor byte [rsp + rcx + 0x60], al
inc rcx
cmp rcx, 0xb
jb 0x14001db80
mov byte [rsp + 0x6c], r15b
lea r9, [rsp + 0x30]
lea r8, [rsp + 0x6b]
lea rdx, [rsp + 0x60]
lea rcx, [rbp - 0x40]
call fcn.140012e80
nop
cmp byte [rsp + 0x5b], 0
je 0x14001dbd5
mov rcx, r15
nop dword [rax + rax]
lea eax, [rcx - 0x65]
xor byte [rsp + rcx + 0x50], al
inc rcx
cmp rcx, 0xa
jb 0x14001dbc0
mov byte [rsp + 0x5b], 0
lea r9, [rsp + 0x30]
lea r8, [rsp + 0x5a]
lea rdx, [rsp + 0x50]
lea rcx, [rbp + 0x48]
call fcn.140012e80
nop
lea r9, [rbp - 0x40]
lea r8, [rbp + 0x48]
movzx edx, byte [rsp + 0x30]
lea rcx, [rbp - 0x60]
call fcn.14001af80
nop
mov rdx, qword [rbp + 0x60]
cmp rdx, 0x10
jb 0x14001dc44
inc rdx
mov rcx, qword [rbp + 0x48]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14001dc3e
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001dc3e
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140078dbc
nop
mov rdx, qword [rbp - 0x28]
cmp rdx, 0x10
jb 0x14001dc83
inc rdx
mov rcx, qword [rbp - 0x40]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14001dc7d
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001dc7d
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140078dbc
nop
lea rdx, [r12 + 0x238]
mov r8, qword [rdx + 0x10]
cmp qword [rdx + 0x18], 0x10
jb 0x14001dc99
mov rdx, qword [rdx]
lea rcx, [rbp - 0x60]
call fcn.140012210
movups xmm0, xmmword [rax]
movups xmmword [rbp + 0x20], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp + 0x30], xmm1
mov qword [rax + 0x10], r15
mov qword [rax + 0x18], reloc.WS2_32.dll_ntohs
mov byte [rax], 0
lea r8, [rsp + 0x48]
lea rdx, [rbp + 0x20]
lea rcx, [rbp]
call fcn.1400155f0
nop
mov rdx, r12
cmp qword [r12 + 0x18], 0x10
jb 0x14001dce2
mov rdx, qword [r12]
mov r8, qword [r12 + 0x10]
mov rcx, rax
call fcn.140012210
movups xmm0, xmmword [rax]
movups xmmword [rbp - 0x80], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp - 0x70], xmm1
mov qword [rax + 0x10], r15
mov qword [rax + 0x18], reloc.WS2_32.dll_ntohs
mov byte [rax], 0
lea r8, [rsp + 0x70]
lea rdx, [rbp - 0x80]
lea rcx, [rbp - 0x20]
call fcn.1400158d0
nop
lea rdx, [r12 + 0x20]
mov r8, qword [rdx + 0x10]
cmp qword [rdx + 0x18], 0x10
jb 0x14001dd33
mov rdx, qword [rdx]
mov rcx, rax
call fcn.140012210
movups xmm0, xmmword [rax]
movups xmmword [rbp + 0xd8], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp + 0xe8], xmm1
mov qword [rax + 0x10], r15
mov qword [rax + 0x18], reloc.WS2_32.dll_ntohs
mov byte [rax], 0
mov rdx, qword [rbp - 8]
cmp rdx, 0x10
jb 0x14001dd9d
inc rdx
mov rcx, qword [rbp - 0x20]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14001dd98
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001dd98
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140078dbc
movdqa xmm0, xmmword [0x14008c630]
movdqu xmmword [rbp - 0x10], xmm0
mov byte [rbp - 0x20], 0
mov rdx, qword [rbp - 0x68]
cmp rdx, 0x10
jb 0x14001dded
inc rdx
mov rcx, qword [rbp - 0x80]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14001dde7
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001dde7
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140078dbc
nop
mov rdx, qword [rbp + 0x18]
cmp rdx, 0x10
jb 0x14001de2b
inc rdx
mov rcx, qword [rbp]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14001de26
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001de26
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140078dbc
movdqa xmm0, xmmword [0x14008c630]
movdqu xmmword [rbp + 0x10], xmm0
mov byte [rbp], 0
mov rdx, qword [rbp + 0x38]
cmp rdx, 0x10
jb 0x14001de7b
inc rdx
mov rcx, qword [rbp + 0x20]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14001de75
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001de75
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140078dbc
nop
mov rdx, qword [rbp - 0x48]
cmp rdx, 0x10
jb 0x14001deb9
inc rdx
mov rcx, qword [rbp - 0x60]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14001deb4
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001deb4
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140078dbc
movdqa xmm0, xmmword [0x14008c630]
movdqu xmmword [rbp - 0x50], xmm0
mov byte [rbp - 0x60], 0
lea rax, [rbp - 0x40]
mov qword [rbp + 0x40], rax
lea rdx, [r12 + 0x80]
lea rcx, [rbp - 0x40]
call fcn.140011e40
mov r14, rax
xorps xmm0, xmm0
movups xmmword [rbp - 0x80], xmm0
mov qword [rbp - 0x70], r15
mov qword [rbp - 0x68], r15
lea rsi, [rbp + 0xd8]
mov r13, qword [rbp + 0xd8]
cmp qword [rbp + 0xf0], 0x10
cmovae rsi, r13
movabs rbx, 0x7fffffffffffffff
mov rdi, qword [rbp + 0xe8]
cmp rdi, rbx
ja 0x14001e5ab
mov qword [rbp - 0x68], reloc.WS2_32.dll_ntohs
cmp rdi, 0x10
jae 0x14001df44
mov qword [rbp - 0x70], rdi
movups xmm0, xmmword [rsi]
movups xmmword [rbp - 0x80], xmm0
jmp 0x14001df96
mov rax, rdi
or rax, 0xf
cmp rax, rbx
ja 0x14001df5f
mov rbx, rax
mov ecx, reloc.WLDAP32.dll_Ordinal_22
cmp rax, rcx
cmovb rbx, rcx
mov rdx, rbx
add rdx, 1
mov rax, 0xffffffffffffffff
cmovb rdx, rax
lea rcx, [rbp - 0x80]
call fcn.140013bd0
mov qword [rbp - 0x80], rax
mov qword [rbp - 0x70], rdi
mov qword [rbp - 0x68], rbx
lea r8, [rdi + 1]
mov rdx, rsi
mov rcx, rax
call sub.VCRUNTIME140.dll_memcpy
nop
mov r8, r14
lea rdx, [rbp - 0x80]
lea rcx, [rbp + 0x98]
call fcn.140026d70
nop
mov qword [rbp + 0x80], r15
mov byte [rsp + 0x20], 0
mov r9b, 1
lea r8, [rbp + 0x48]
lea rdx, [rbp + 0x98]
lea rcx, [rbp + 0x88]
call fcn.140018590
nop
mov dword [rsp + 0x38], 0xedeef9f6
mov dword [rsp + 0x3c], 0xc4c7fe
mov byte [rsp + 0x40], 1
mov rcx, r15
nop dword [rax]
lea eax, [rcx - 0x65]
xor byte [rsp + rcx + 0x38], al
inc rcx
cmp rcx, 7
jb 0x14001dff0
mov byte [rsp + 0x40], 0
lea r9, [rsp + 0x30]
lea r8, [rsp + 0x3f]
lea rdx, [rsp + 0x38]
lea rcx, [rbp - 0x60]
call fcn.140012e80
nop
mov rbx, qword [rsp + 0x38]
movzx ecx, byte [rbp + 0x88]
test cl, cl
jne 0x14001e04a
mov byte [rbp + 0x88], 1
call fcn.140016fd0
mov qword [rbp + 0x90], rax
movzx ecx, byte [rbp + 0x88]
jmp 0x14001e051
mov rax, qword [rbp + 0x90]
cmp cl, 1
jne 0x14001e065
lea rdx, [rbp - 0x60]
mov rcx, rax
call fcn.14001bfb0
mov rbx, rax
xorps xmm0, xmm0
movups xmmword [rbp + 0xb8], xmm0
movdqa xmm1, xmmword [0x14008c630]
movdqu xmmword [rbp + 0xc8], xmm1
mov byte [rbp + 0xb8], 0
mov dword [rsp + 0x48], 0x1fd6
cmp byte [rbx], 3
jne 0x14001e0a5
mov rdx, qword [rbx + 8]
lea rax, [rbp + 0xb8]
cmp rax, rdx
je 0x14001e0c3
jmp 0x14001e0a8
mov rdx, r15
mov r8, qword [rdx + 0x10]
cmp qword [rdx + 0x18], 0x10
jb 0x14001e0b6
mov rdx, qword [rdx]
lea rcx, [rbp + 0xb8]
call fcn.140014c70
nop
mov rdx, qword [rbp - 0x48]
cmp rdx, 0x10
jb 0x14001e101
inc rdx
mov rcx, qword [rbp - 0x60]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14001e0fc
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001e0fc
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140078dbc
movdqa xmm0, xmmword [0x14008c630]
movdqu xmmword [rbp - 0x50], xmm0
mov byte [rbp - 0x60], 0
xor edx, edx
mov r8d, 0xf8
lea rcx, [rbp + 0x110]
call sub.VCRUNTIME140.dll_memset
lea rax, [0x14007cf28]
mov qword [rbp + 0x110], rax
lea rax, [0x14007cf30]
mov qword [rbp + 0x120], rax
lea rcx, [rbp + 0x1a8]
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 + 0x48], 0x1fee
xor r8d, r8d
lea rdx, [rbp + 0x128]
lea rcx, [rbp + 0x110]
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_iostream_char__struct_std::char_traits_char__::constructor_class_std::basic_streambuf_char__struct_std::char_traits_char______ptr64____ptr64]
nop
mov rax, qword [rbp + 0x110]
movsxd rcx, dword [rax + 4]
lea rdi, vtable.std::basic_stringstream_char__struct_std::char_traits_char___class_std::allocator_char__.0
mov qword [rbp + rcx + 0x110], rdi
mov rax, qword [rbp + 0x110]
movsxd rcx, dword [rax + 4]
lea edx, [rcx - 0x98]
mov dword [rbp + rcx + 0x10c], edx
lea rcx, [rbp + 0x128]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_streambuf_char__struct_std::char_traits_char__::constructor_void____ptr64]
lea rax, vtable.std::basic_stringbuf_char__struct_std::char_traits_char___class_std::allocator_char__.0
mov qword [rbp + 0x128], rax
mov qword [rbp + 0x190], r15
mov dword [rbp + 0x198], r15d
xorps xmm0, xmm0
movups xmmword [rbp + 0xf8], xmm0
mov ecx, reloc.WLDAP32.dll_Ordinal_32
call fcn.140078b30
mov rsi, rax
mov qword [rbp + 0xf8], rax
lea r15, [rax + 0x20]
mov qword [rbp + 0x108], r15
xorps xmm0, xmm0
movups xmmword [rax], xmm0
movups xmmword [rax + 0x10], xmm0
mov qword [rbp + 0x100], r15
lea r8, [rbp + 0x98]
cmp qword [rbp + 0xb0], 0x10
cmovae r8, qword [rbp + 0x98]
lea rcx, [r12 + 0x258]
cmp qword [rcx + 0x18], 0x10
jb 0x14001e22e
mov rcx, qword [rcx]
mov qword [rsp + 0x28], reloc.WLDAP32.dll_Ordinal_32
mov qword [rsp + 0x20], rsi
mov r9, qword [rbp + 0xa8]
mov rdx, qword [r12 + 0x268]
call fcn.14002e3a0
mov r14, rsi
cmp rsi, r15
je 0x14001e2ca
nop dword [rax + rax]
movzx edi, byte [r14]
lea rdx, [0x140022850]
lea rcx, [rbp + 0x120]
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__::operator___class_std::ios_base____ptr64____cdecl___class_std::ios_base____ptr64_____ptr64]
mov rbx, rax
mov rcx, qword [rax]
movsxd rcx, dword [rcx + 4]
add rcx, rax
mov dl, 0x30
call qword [sym.imp.MSVCP140.dll_public:_char___cdecl_std::basic_ios_char__struct_std::char_traits_char__::fill_char____ptr64]
mov edx, 2
lea rcx, [rsp + 0x60]
call sub.MSVCP140.dll_struct_std::_Smanip_long_long___int64_____cdecl_std::setw_long_long___int64__
mov r8, qword [rax]
mov rcx, qword [rbx]
movsxd rcx, dword [rcx + 4]
add rcx, rbx
mov rdx, qword [rax + 8]
call r8
mov edx, edi
mov rcx, rbx
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__::operator___int____ptr64]
inc r14
cmp r14, r15
jne 0x14001e260
lea rdi, vtable.std::basic_stringstream_char__struct_std::char_traits_char___class_std::allocator_char__.0
lea rbx, [section..data]
cmp qword [reloc.WS2_32.dll_ntohs], 0x10
cmovae rbx, qword [section..data]
lea rdx, [rbp - 0x40]
lea rcx, [rbp + 0x110]
call fcn.1400292f0
cmp qword [rax + 0x18], 0x10
jb 0x14001e300
mov rax, qword [rax]
nop dword [rax + rax]
movd xmm2, dword [rax]
punpcklbw xmm2, xmm2
punpcklwd xmm2, xmm2
psrad xmm2, 0x18
movd xmm0, dword [rbx]
punpcklbw xmm0, xmm0
punpcklwd xmm0, xmm0
psrad xmm0, 0x18
pxor xmm2, xmm0
movd xmm1, dword [rax + 4]
punpcklbw xmm1, xmm1
punpcklwd xmm1, xmm1
psrad xmm1, 0x18
movd xmm0, dword [rbx + 4]
punpcklbw xmm0, xmm0
punpcklwd xmm0, xmm0
psrad xmm0, 0x18
pxor xmm1, xmm0
por xmm2, xmm1
movdqa xmm0, xmm2
psrldq xmm0, 8
por xmm2, xmm0
movdqa xmm0, xmm2
psrldq xmm0, 4
por xmm2, xmm0
movd ebx, xmm2
mov rdx, qword [rbp - 0x28]
cmp rdx, 0x10
jb 0x14001e3ae
inc rdx
mov rcx, qword [rbp - 0x40]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14001e3a9
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001e3a9
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140078dbc
test ebx, ebx
je 0x14001e3d1
lea r8, [rbp + 0xb8]
lea rdx, str.Signature_checksum_failed._Request_was_tampered_with_or_session_ended_most_likely.__echo:__echo_Message:
lea rcx, [rbp - 0x40]
call fcn.140015490
mov rcx, rax
call fcn.1400217c0
lea rdx, [rbp + 0x88]
lea rcx, [rsp + 0x60]
call fcn.14001ac70
mov rdx, rax
mov rcx, r12
call fcn.1400252c0
nop
test rsi, rsi
je 0x14001e427
sub r15, rsi
cmp r15, 0x1000
jb 0x14001e41b
add r15, 0x27
mov rcx, qword [rsi - 8]
sub rsi, rcx
lea rax, [rsi - 8]
cmp rax, 0x1f
ja 0x14001e4b8
mov rsi, rcx
mov rdx, r15
mov rcx, rsi
call fcn.140078dbc
nop
mov rax, qword [rbp + 0x110]
movsxd rcx, dword [rax + 4]
mov qword [rbp + rcx + 0x110], rdi
mov rax, qword [rbp + 0x110]
movsxd rcx, dword [rax + 4]
lea edx, [rcx - 0x98]
mov dword [rbp + rcx + 0x10c], edx
lea rcx, [rbp + 0x128]
call fcn.14001b640
lea rcx, [rbp + 0x130]
call qword [sym.imp.MSVCP140.dll_public_virtual:_void___cdecl_std::basic_iostream_char__struct_std::char_traits_char__::destructor_void____ptr64]
lea rcx, [rbp + 0x1a8]
call qword [sym.imp.MSVCP140.dll_public_virtual:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::destructor_void____ptr64]
nop
mov rdx, qword [rbp + 0xd0]
cmp rdx, 0x10
jb 0x14001e4c5
inc rdx
mov rcx, qword [rbp + 0xb8]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14001e4bf
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001e4bf
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
nop
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
nop
call fcn.140078dbc
nop
movzx edx, byte [rbp + 0x88]
lea rcx, [rbp + 0x90]
call fcn.140020110
nop
mov rdx, qword [rbp + 0xb0]
cmp rdx, 0x10
jb 0x14001e51d
inc rdx
mov rcx, qword [rbp + 0x98]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14001e518
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001e518
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140078dbc
mov qword [rbp + 0xa8], 0
mov qword [rbp + 0xb0], reloc.WS2_32.dll_ntohs
mov byte [rbp + 0x98], 0
mov rax, qword [rbp + 0xf0]
cmp rax, 0x10
jb 0x14001e57b
lea rdx, [rax + 1]
mov rax, r13
cmp rdx, 0x1000
jb 0x14001e573
add rdx, 0x27
mov r13, qword [r13 - 8]
sub rax, r13
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001e573
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
mov rcx, r13
call fcn.140078dbc
mov rcx, qword [rbp + 0x210]
xor rcx, rsp
call fcn.140078b10
lea r11, [rsp + 0x320]
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
call fcn.140001ce0
nop
int3