Function at 0x140021de0
Capabilities:
Encode data using xor

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x230]
sub rsp, 0x330
mov rax, qword [0x1400ec980]
xor rax, rsp
mov qword [rbp + 0x220], rax
mov r12, rdx
mov r13, rcx
mov qword [rbp + 0x88], rdx
xor edi, edi
mov dword [rsp + 0x58], edi
cmp byte [0x1400edb50], dil
jne 0x140021e67
xorps xmm0, xmm0
movups xmmword [rbp + 0x90], xmm0
mov qword [rbp + 0xa0], rdi
mov qword [rbp + 0xa8], rdi
lea r8d, [rdi + 0x52]
lea rdx, str.You_need_to_run_the_KeyAuthApp.init____function_before_any_other_KeyAuth_functions
lea rcx, [rbp + 0x90]
call fcn.140002660
lea rcx, [rbp + 0x90]
call fcn.140029c60
mov dword [rbp - 0x80], 0xf7eff8b0
mov dword [rbp - 0x7c], 0xf9f5e9ff
mov word [rbp - 0x78], 0xa3
mov byte [rbp - 0x76], 1
mov dword [rsp + 0x58], 0xf4f9f9b0
mov dword [rsp + 0x5c], 0x100a6ff
mov dword [rbp - 0x70], 0xeafde4b0
mov dword [rbp - 0x6c], 0xf3f3f2e9
mov dword [rbp - 0x68], 0x9dfbf7
mov byte [rbp - 0x64], 1
mov dword [rsp + 0x60], 0xf8fde5b0
mov dword [rsp + 0x64], 0xa0f2f4e9
mov word [rsp + 0x68], 0x100
mov dword [rsp + 0x70], 0xfce8eee2
mov dword [rsp + 0x74], 0xf3fdf9a7
mov word [rsp + 0x78], 0x100
lea r8, [rsp + 0x60]
lea rdx, [rsp + 0x70]
lea rcx, [rbp - 0x20]
call fcn.140017160
nop
mov rdx, r12
cmp qword [r12 + 0x18], 0xf
jbe 0x140021ef9
mov rdx, qword [r12]
mov r8, qword [r12 + 0x10]
mov rcx, rax
call fcn.140008880
movups xmm0, xmmword [rax]
movups xmmword [rbp - 0x40], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp - 0x30], xmm1
mov qword [rax + 0x10], rdi
mov qword [rax + 0x18], reloc.WS2_32.dll_ntohs
mov byte [rax], 0
lea r8, [rbp - 0x70]
lea rdx, [rbp - 0x40]
lea rcx, [rbp + 0x60]
call fcn.140017520
nop
lea rdx, [r13 + 0x258]
mov r8, qword [rdx + 0x10]
cmp qword [rdx + 0x18], 0xf
jbe 0x140021f4b
mov rdx, qword [rdx]
mov rcx, rax
call fcn.140008880
movups xmm0, xmmword [rax]
movups xmmword [rbp - 0x60], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp - 0x50], xmm1
mov qword [rax + 0x10], rdi
mov qword [rax + 0x18], reloc.WS2_32.dll_ntohs
mov byte [rax], 0
lea r8, [rsp + 0x58]
lea rdx, [rbp - 0x60]
lea rcx, [rbp + 0x40]
call fcn.140017080
nop
mov rdx, r13
cmp qword [r13 + 0x18], 0xf
jbe 0x140021f92
mov rdx, qword [r13]
mov r8, qword [r13 + 0x10]
mov rcx, rax
call fcn.140008880
movups xmm0, xmmword [rax]
movups xmmword [rbp + 0x20], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp + 0x30], xmm1
mov qword [rax + 0x10], rdi
mov qword [rax + 0x18], reloc.WS2_32.dll_ntohs
mov byte [rax], 0
lea r8, [rbp - 0x80]
lea rdx, [rbp + 0x20]
lea rcx, [rbp + 0x90]
call fcn.140017360
nop
lea rdx, [r13 + 0x20]
mov r8, qword [rdx + 0x10]
cmp qword [rdx + 0x18], 0xf
jbe 0x140021fe3
mov rdx, qword [rdx]
mov rcx, rax
call fcn.140008880
movups xmm0, xmmword [rax]
movups xmmword [rbp + 0x100], xmm0
movups xmm1, xmmword [rax + 0x10]
movups xmmword [rbp + 0x110], xmm1
mov qword [rax + 0x10], rdi
mov qword [rax + 0x18], reloc.WS2_32.dll_ntohs
mov byte [rax], 0
mov rdx, qword [rbp + 0xa8]
cmp rdx, 0xf
jbe 0x140022053
inc rdx
mov rcx, qword [rbp + 0x90]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14002204e
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14002204e
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140083e2c
movdqa xmm0, xmmword [0x140089ce0]
movdqu xmmword [rbp + 0xa0], xmm0
mov byte [rbp + 0x90], 0
mov rdx, qword [rbp + 0x38]
cmp rdx, 0xf
jbe 0x1400220a9
inc rdx
mov rcx, qword [rbp + 0x20]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400220a3
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400220a3
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140083e2c
nop
mov rdx, qword [rbp + 0x58]
cmp rdx, 0xf
jbe 0x1400220e7
inc rdx
mov rcx, qword [rbp + 0x40]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400220e2
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400220e2
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140083e2c
movdqa xmm0, xmmword [0x140089ce0]
movdqu xmmword [rbp + 0x50], xmm0
mov byte [rbp + 0x40], 0
mov rdx, qword [rbp - 0x48]
cmp rdx, 0xf
jbe 0x140022137
inc rdx
mov rcx, qword [rbp - 0x60]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140022131
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x140022131
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140083e2c
nop
mov rdx, qword [rbp + 0x78]
cmp rdx, 0xf
jbe 0x140022175
inc rdx
mov rcx, qword [rbp + 0x60]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140022170
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x140022170
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140083e2c
movdqa xmm0, xmmword [0x140089ce0]
movdqu xmmword [rbp + 0x70], xmm0
mov byte [rbp + 0x60], 0
mov rdx, qword [rbp - 0x28]
cmp rdx, 0xf
jbe 0x1400221c5
inc rdx
mov rcx, qword [rbp - 0x40]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400221bf
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400221bf
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140083e2c
nop
mov rdx, qword [rbp - 8]
cmp rdx, 0xf
jbe 0x140022203
inc rdx
mov rcx, qword [rbp - 0x20]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400221fe
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400221fe
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140083e2c
movdqa xmm0, xmmword [0x140089ce0]
movdqu xmmword [rbp - 0x10], xmm0
mov byte [rbp - 0x20], 0
lea rax, [rbp - 0x40]
mov qword [rbp + 0x80], rax
lea rdx, [r13 + 0x80]
lea rcx, [rbp - 0x40]
call fcn.140005c40
mov rbx, rax
lea rdx, [rbp + 0x100]
lea rcx, [rbp - 0x60]
call fcn.140005c40
nop
mov r8, rbx
mov rdx, rax
lea rcx, [rbp + 0xe0]
call fcn.140030ad0
nop
mov qword [rbp + 0x18], rdi
mov byte [rsp + 0x20], 0
mov r9b, 1
lea r8, [rbp - 0x20]
lea rdx, [rbp + 0xe0]
lea rcx, [rbp + 0xb0]
call fcn.14001ba40
nop
mov dword [rsp + 0x40], 0xeaebf2fb
mov dword [rsp + 0x44], 0xf9fcfb
mov byte [rsp + 0x48], 1
mov rcx, rdi
nop dword [rax]
nop word [rax + rax]
lea eax, [rcx - 0x6a]
xor byte [rsp + rcx + 0x40], al
inc rcx
cmp rcx, 7
jb 0x1400222a0
mov byte [rsp + 0x48], 0
lea r9, [rsp + 0x50]
lea r8, [rsp + 0x47]
lea rdx, [rsp + 0x40]
lea rcx, [rbp + 0x90]
call fcn.140016670
nop
mov rbx, qword [rsp + 0x40]
movzx ecx, byte [rbp + 0xb0]
test cl, cl
jne 0x1400222fd
mov byte [rbp + 0xb0], 1
call fcn.140019ee0
mov qword [rbp + 0xb8], rax
movzx ecx, byte [rbp + 0xb0]
jmp 0x140022304
mov rax, qword [rbp + 0xb8]
cmp cl, 1
jne 0x14002231b
lea rdx, [rbp + 0x90]
mov rcx, rax
call fcn.140020030
mov rbx, rax
xorps xmm0, xmm0
movups xmmword [rbp + 0xc0], xmm0
mov qword [rbp + 0xd0], rdi
mov qword [rbp + 0xd8], reloc.WS2_32.dll_ntohs
mov byte [rbp + 0xc0], 0
mov dword [rsp + 0x58], 0x76c
cmp byte [rbx], 3
jne 0x14002235d
mov rdx, qword [rbx + 8]
lea rax, [rbp + 0xc0]
cmp rax, rdx
je 0x14002237b
jmp 0x140022360
mov rdx, rdi
mov r8, qword [rdx + 0x10]
cmp qword [rdx + 0x18], 0xf
jbe 0x14002236e
mov rdx, qword [rdx]
lea rcx, [rbp + 0xc0]
call fcn.140010cf0
nop
mov rdx, qword [rbp + 0xa8]
cmp rdx, 0xf
jbe 0x1400223bf
inc rdx
mov rcx, qword [rbp + 0x90]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400223ba
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400223ba
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140083e2c
movdqa xmm0, xmmword [0x140089ce0]
movdqu xmmword [rbp + 0xa0], xmm0
mov byte [rbp + 0x90], 0
xor edx, edx
mov r8d, 0xf8
lea rcx, [rbp + 0x120]
call sub.VCRUNTIME140.dll_memset
lea rax, [0x14008a998]
mov qword [rbp + 0x120], rax
lea rax, [0x14008a9a0]
mov qword [rbp + 0x130], rax
lea rcx, [rbp + 0x1b8]
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 + 0x58], 0x7dc
xor r8d, r8d
lea rdx, [rbp + 0x138]
lea rcx, [rbp + 0x120]
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 + 0x120]
movsxd rcx, dword [rax + 4]
lea rax, vtable.std::basic_stringstream_char__struct_std::char_traits_char___class_std::allocator_char__.0
mov qword [rbp + rcx + 0x120], rax
mov rax, qword [rbp + 0x120]
movsxd rcx, dword [rax + 4]
lea edx, [rcx - 0x98]
mov dword [rbp + rcx + 0x11c], edx
lea rcx, [rbp + 0x138]
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 + 0x138], rax
mov qword [rbp + 0x1a0], rdi
mov dword [rbp + 0x1a8], edi
xorps xmm0, xmm0
movups xmmword [rbp + 0x90], xmm0
mov ecx, reloc.WLDAP32.dll_Ordinal_32
call fcn.140083df0
mov rsi, rax
mov qword [rbp + 0x90], rax
lea r15, [rax + 0x20]
mov qword [rbp + 0xa0], r15
xorps xmm0, xmm0
movups xmmword [rax], xmm0
movups xmmword [rax + 0x10], xmm0
mov qword [rbp + 0x98], r15
lea r8, [rbp + 0xe0]
cmp qword [rbp + 0xf8], 0xf
cmova r8, qword [rbp + 0xe0]
lea rcx, [r13 + 0x278]
cmp qword [rcx + 0x18], 0xf
jbe 0x1400224f0
mov rcx, qword [rcx]
mov qword [rsp + 0x28], reloc.WLDAP32.dll_Ordinal_32
mov qword [rsp + 0x20], rsi
mov r9, qword [rbp + 0xf0]
mov rdx, qword [r13 + 0x288]
call fcn.1400384c0
mov r14, rsi
cmp rsi, r15
je 0x140022584
nop dword [rax]
movzx edi, byte [r14]
lea rdx, [0x14000a0c0]
lea rcx, [rbp + 0x130]
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, [rbp - 0x70]
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 0x140022520
xor edi, edi
lea rbx, [0x1400ec8d0]
cmp qword [reloc.WS2_32.dll_ntohs], 0xf
cmova rbx, qword [0x1400ec8d0]
lea rdx, [rbp - 0x20]
lea rcx, [rbp + 0x120]
call fcn.140033250
cmp qword [rax + 0x18], 0xf
jbe 0x1400225c0
mov rax, qword [rax]
nop word [rax + rax]
movd xmm2, dword [rbx]
punpcklbw xmm2, xmm2
punpcklwd xmm2, xmm2
psrad xmm2, 0x18
movd xmm0, dword [rax]
punpcklbw xmm0, xmm0
punpcklwd xmm0, xmm0
psrad xmm0, 0x18
xorps 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
xorps xmm1, xmm0
orps xmm1, xmm2
movdqa xmm0, xmm1
psrldq xmm0, 8
orps xmm1, xmm0
movdqa xmm0, xmm1
psrldq xmm0, 4
orps xmm1, xmm0
movd ebx, xmm1
mov rdx, qword [rbp - 8]
cmp rdx, 0xf
jbe 0x140022669
inc rdx
mov rcx, qword [rbp - 0x20]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140022664
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x140022664
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140083e2c
test ebx, ebx
je 0x1400226da
movabs rax, 0x7fffffffffffffff
mov rcx, qword [rbp + 0xd0]
sub rax, rcx
cmp rax, 0x6b
jb 0x14002291e
lea rax, [rbp + 0xc0]
cmp qword [rbp + 0xd8], 0xf
cmova rax, qword [rbp + 0xc0]
mov qword [rsp + 0x30], rcx
mov qword [rsp + 0x28], rax
mov qword [rsp + 0x20], WSAStartup
lea r9, str.Signature_checksum_failed._Request_was_tampered_with_or_session_ended_most_likely.__echo:__echo_Message:
lea r8, [rbp + 0xc0]
movzx edx, byte [rsp + 0x50]
lea rcx, [rbp - 0x20]
call fcn.140005d60
lea rcx, [rbp - 0x20]
call fcn.140029c60
lea rdx, [rbp + 0xb0]
lea rcx, [rbp - 0x70]
call fcn.14001e160
mov rdx, rax
mov rcx, r13
call fcn.14002e4b0
nop
test rsi, rsi
je 0x14002272f
sub r15, rsi
cmp r15, 0x1000
jb 0x140022723
add r15, 0x27
mov rcx, qword [rsi - 8]
sub rsi, rcx
lea rax, [rsi - 8]
cmp rax, 0x1f
ja 0x1400227c7
mov rsi, rcx
mov rdx, r15
mov rcx, rsi
call fcn.140083e2c
nop
mov rax, qword [rbp + 0x120]
movsxd rcx, dword [rax + 4]
lea rax, vtable.std::basic_stringstream_char__struct_std::char_traits_char___class_std::allocator_char__.0
mov qword [rbp + rcx + 0x120], rax
mov rax, qword [rbp + 0x120]
movsxd rcx, dword [rax + 4]
lea edx, [rcx - 0x98]
mov dword [rbp + rcx + 0x11c], edx
lea rcx, [rbp + 0x138]
call fcn.14001f350
lea rcx, [rbp + 0x140]
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 + 0x1b8]
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 + 0xd8]
cmp rdx, 0xf
jbe 0x1400227d3
inc rdx
mov rcx, qword [rbp + 0xc0]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400227ce
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400227ce
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.140083e2c
mov qword [rbp + 0xd0], rdi
mov qword [rbp + 0xd8], reloc.WS2_32.dll_ntohs
mov byte [rbp + 0xc0], 0
movzx edx, byte [rbp + 0xb0]
lea rcx, [rbp + 0xb8]
call fcn.140027180
nop
mov rdx, qword [rbp + 0xf8]
cmp rdx, 0xf
jbe 0x140022844
inc rdx
mov rcx, qword [rbp + 0xe0]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14002283f
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14002283f
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140083e2c
mov qword [rbp + 0xf0], rdi
mov qword [rbp + reloc.WS2_32.dll_ntohs8], 0xf
mov byte [rbp + 0xe0], 0
mov rdx, qword [rbp + 0x118]
cmp rdx, 0xf
jbe 0x1400228a2
inc rdx
mov rcx, qword [rbp + 0x100]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14002289c
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14002289c
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
call fcn.140083e2c
nop
mov rdx, qword [r12 + 0x18]
cmp rdx, 0xf
jbe 0x1400228da
inc rdx
mov rcx, qword [r12]
cmp rdx, 0x1000
jb 0x1400228d5
add rdx, 0x27
mov r8, qword [rcx - 8]
sub rcx, r8
lea rax, [rcx - 8]
cmp rax, 0x1f
ja 0x140022917
mov rcx, r8
call fcn.140083e2c
mov qword [r12 + 0x10], rdi
mov qword [r12 + 0x18], reloc.WS2_32.dll_ntohs
mov byte [r12], 0
mov rcx, qword [rbp + 0x220]
xor rcx, rsp
call fcn.140083dd0
mov rbx, qword [rsp + 0x380]
add rsp, 0x330
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
nop
call fcn.140008590
nop
int3