joyce8/EMBER2024-capa huggingface dataset:
Function at 0x45bc30
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x18]
xor esi, esi
test edi, edi
jle 0x45bc89
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
push 0
mov eax, edi
sub eax, esi
push eax
mov eax, dword [esp + 0x1c]
add eax, esi
push eax
push dword [0x4c560c]
call dword [sym.imp.WS2_32.dll_recv]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x45bc83
call ebp
cmp eax, 0x2745
je 0x45bc93
cmp eax, 0x2746
je 0x45bc93
cmp eax, 0x2749
je 0x45bc93
cmp eax, 0x274a
je 0x45bc93
add esi, ebx
cmp esi, edi
jl 0x45bc44
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
ret
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
ret

Function at 0x45bd70
Capabilities:
Send data
Send data on socket

Disassembly:
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x18]
xor esi, esi
test edi, edi
jle 0x45bdc9
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
push 0
mov eax, edi
sub eax, esi
push eax
mov eax, dword [esp + 0x1c]
add eax, esi
push eax
push dword [0x4c560c]
call dword [sym.imp.WS2_32.dll_send]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x45bdc3
call ebp
cmp eax, 0x2745
je 0x45bdd3
cmp eax, 0x2746
je 0x45bdd3
cmp eax, 0x2749
je 0x45bdd3
cmp eax, 0x274a
je 0x45bdd3
add esi, ebx
cmp esi, edi
jl 0x45bd84
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
ret
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
ret

Function at 0x45bde0
Capabilities:
Send data
Send data on socket

Disassembly:
push esi
push dword [esp + 0xc]
push dword [esp + 0xc]
push dword [0x4ac020]
push str.ERROR__i__s_n__Message:__s_n_n
push dword [0x4c6acc]
call sub.MSVCRT.dll_sprintf
mov edx, dword [0x4c6acc]
add esp, 0x14
mov eax, edx
lea esi, [eax + 1]
lea ecx, [ecx]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x45be10
sub eax, esi
pop esi
mov dword [esp + 8], eax
mov dword [esp + 4], edx
jmp fcn.0045bd70
Function at 0x4657a0
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
mov ecx, dword [esp + 8]
push ebx
push ebp
push esi
mov esi, dword [esp + 0x10]
mov ebx, 0x1505
add ecx, esi
mov eax, ecx
push edi
xor edi, edi
sub eax, esi
cmp ecx, esi
sbb ebp, ebp
not ebp
and ebp, eax
jbe 0x4657e4
mov al, byte [esi]
push eax
call fcn.004718f0
movsx ecx, al
lea esi, [esi + 1]
mov eax, ebx
inc edi
shl eax, 5
add esp, 4
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp edi, ebp
jb 0x4657c3
pop edi
pop esi
pop ebp
movzx eax, bl
pop ebx
ret
Function at 0x4686a0
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push str.kernel32
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x4686ba
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push str.LoadLibraryExA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x4a1084
push esi
call dword [sym.imp.MSVCRT.dll_strpbrk]
add esp, 8
test eax, eax
je 0x468703
test ebp, ebp
je 0x4686f4
push 8
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push esi
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
test ebp, ebp
je 0x468729
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x468729
push 0x800
push 0
push esi
call ebp
pop esi
pop ebp
mov edi, eax
pop edi
pop ebx
pop ecx
ret
push 0
push 0
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
mov edx, eax
mov dword [esp + 0x10], edx
test edx, edx
je 0x4687df
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x468746
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x4bffd0]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4687d5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4687d5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x468778
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x468790
sub ecx, edx
add ecx, ebx
sub ecx, esi
lea ecx, [ecx]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x4687a0
test ebp, ebp
je 0x4687cc
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x4bffd4]
add esp, 4
mov eax, edi
pop esi
pop ebp
pop edi
pop ebx
pop ecx
ret
push ebx
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
push ebx
call dword [0x4bffd4]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x468970
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x22c
test byte [esp + 0x230], 2
je 0x4689bb
lea eax, [esp + 0x9c]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x4689af
mov eax, dword [esp + 0x9c]
cmp al, 2
jne 0x4689a9
shr eax, 8
cmp al, 2
je 0x4689bb
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, 2
add esp, 0x22c
ret
call fcn.00482330
test eax, eax
jne 0x468a90
push 0x4a1048
call fcn.004686a0
add esp, 4
mov dword [0x4c5da8], eax
test eax, eax
je 0x4689f3
push str.if_nametoindex
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4689f3
mov dword [0x4c5da4], eax
push esi
push 0x9c
lea eax, [esp + 8]
push 0
push eax
call sub.MSVCRT.dll_memset
mov esi, dword [sym.imp.KERNEL32.dll_VerSetConditionMask]
add esp, 0xc
mov dword [esp + 4], 0x9c
mov dword [esp + 8], 6
mov dword [esp + 0xc], 0
push 3
push 2
push 0
push 0
mov dword [esp + 0x24], 2
call esi
push 3
push 1
push edx
push eax
call esi
push 3
push 0x20
push edx
push eax
call esi
push 3
push 0x10
push edx
push eax
call esi
push 1
push 8
push edx
push eax
call esi
push edx
push eax
push 0x33
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_VerifyVersionInfoA]
pop esi
test eax, eax
je 0x468a87
push 0x4d8dc4
mov byte [0x4d8dcc], 1
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
xor eax, eax
add esp, 0x22c
ret
mov byte [0x4d8dcc], 0
xor eax, eax
add esp, 0x22c
ret

Function at 0x468c10
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x2c8], 2
je fcn.00468bc0
mov al, 1
ret

Function at 0x468d50
Capabilities:
Write file on windows

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
cmp dword [edi + 0x5e0], 0
je 0x468d94
push 1
push edi
call fcn.00469f50
push dword [edi + 0x574]
mov eax, dword [edi + 0x5e0]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.00469f50
add esp, 0x24
mov eax, esi
pop edi
pop esi
ret
mov eax, dword [esp + 0x10]
cmp eax, 2
ja 0x468dcd
push dword [edi + 0x570]
mov esi, dword [sym.imp.MSVCRT.dll_fwrite]
lea eax, [eax + eax*2]
push 1
add eax, 0x4a1108
push 2
push eax
call esi
push dword [edi + 0x570]
push 1
push dword [esp + 0x30]
push dword [esp + 0x30]
call esi
add esp, 0x20
pop edi
xor eax, eax
pop esi
ret

Function at 0x468fd0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push dword [esp + 0x10]
call dword [sym.imp.WS2_32.dll_recv]
mov ecx, eax
cmp ecx, 0xffffffff
jne 0x469001
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
sub eax, 0x2733
neg eax
sbb eax, eax
and eax, 0xffffffe7
add eax, 0x51
ret
mov eax, dword [esp + 0x10]
mov dword [eax], ecx
xor eax, eax
ret
Function at 0x469130
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 8]
sub esp, 0x80
push ebx
push ebp
mov ebp, dword [esp + 0x8c]
push esi
push eax
push ebp
mov esi, dword [ebp + eax*4 + 0x1a4]
call fcn.004695e0
add esp, 8
push 0
push dword [esp + 0xa0]
push dword [esp + 0xa0]
push esi
call dword [sym.imp.WS2_32.dll_send]
mov ebx, dword [esp + 0xa0]
mov esi, eax
mov dword [ebx], 0
cmp esi, 0xffffffff
jne 0x4691d7
push edi
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edi, eax
cmp edi, 0x2733
jne 0x4691a4
pop edi
pop esi
pop ebp
mov dword [ebx], 0x51
xor eax, eax
pop ebx
add esp, 0x80
ret
push pe_nt_image_headers32
lea eax, [esp + 0x14]
push eax
push edi
call fcn.00482ef0
push eax
push str.Send_failure:__s
push dword [ebp]
call fcn.00468de0
mov eax, dword [ebp]
add esp, 0x18
mov dword [eax + 0xc54], edi
mov eax, esi
mov dword [ebx], 0x37
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x80
ret

Function at 0x4695e0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov ecx, dword [esp + 8]
mov eax, ecx
push ebx
mov ebx, dword [esp + 8]
push ebp
push esi
shl eax, 4
mov ebp, dword [ebx + ecx*4 + 0x1a4]
lea esi, [ebx + 0x1c8]
add esi, eax
mov eax, dword [ebx + 0x2c0]
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x469696
cmp dword [ebx + ecx*4 + 0x1b8], 0x469060
jne 0x469696
cmp dword [esi], 0
je 0x46962c
test edi, edi
je 0x469696
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.004710f0
add esp, 0x10
cmp eax, 0xffffffff
je 0x469696
test al, 1
je 0x469696
cmp dword [esi], 0
jne 0x46967f
mov eax, dword [ebx]
mov eax, dword [eax + 0x8d0]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x4bffd0]
mov edi, dword [esi + 4]
add esp, 4
mov dword [esi], eax
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
test eax, eax
jne 0x46967f
pop edi
mov dword [esi + 4], eax
pop esi
pop ebp
pop ebx
ret
mov eax, dword [esi]
add eax, dword [esi + 8]
push 0
push edi
push eax
push ebp
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x469696
add dword [esi + 8], eax
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x46ff50
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x188
push ebx
mov ebx, dword [esp + 0x190]
cmp dword [ebx + 0x90], 3
jne 0x470128
cmp byte [ebx + 0x289], 0
push ebp
push esi
push edi
jne 0x47011c
cmp byte [ebx + 0x2a1], 0
jne 0x47011c
mov esi, dword [esp + 0x1a0]
lea eax, [esp + 0x10]
mov ebp, dword [ebx]
push eax
lea eax, [esp + 0x11c]
mov dword [esp + 0x14], pe_nt_image_headers32
push eax
push esi
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x46ffe4
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push esi
call fcn.00482ef0
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebp
call fcn.00468de0
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
push pe_nt_image_headers32
lea eax, [esp + 0x9c]
mov dword [esp + 0x18], pe_nt_image_headers32
push 0
push eax
call sub.MSVCRT.dll_memset
add esp, 0xc
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0x9c]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x47004e
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push esi
call fcn.00482ef0
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebp
call fcn.00468de0
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
lea eax, [ebx + 0x138]
push eax
lea esi, [ebx + 0x10a]
push esi
push dword [esp + 0x18]
lea eax, [esp + 0x124]
push eax
call fcn.0046f370
add esp, 0x10
test al, al
jne 0x4700af
mov esi, dword [sym.imp.MSVCRT.dll__errno]
call esi
mov edi, eax
call esi
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push dword [edi]
call fcn.00482ef0
push eax
push dword [esi]
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.00468de0
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
lea edi, [ebx + 0x5c]
mov ecx, 0xb
rep movsd dword es:[edi], dword [esi]
lea eax, [ebx + 0x16c]
push eax
lea eax, [ebx + 0x13c]
push eax
push dword [esp + 0x1c]
lea eax, [esp + 0xa4]
movsw word es:[edi], word [esi]
push eax
call fcn.0046f370
add esp, 0x10
test al, al
jne 0x47011c
mov esi, dword [sym.imp.MSVCRT.dll__errno]
call esi
mov edi, eax
call esi
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push dword [edi]
call fcn.00482ef0
push eax
push dword [esi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.00468de0
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
push ebx
call fcn.0046fc30
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
Function at 0x470a80
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x10
push esi
mov esi, dword [esp + 0x18]
xor eax, eax
push edi
mov edi, dword [esp + 0x20]
push 4
cmp byte [esi + 0xa9f], al
setne al
mov dword [esp + 0x20], eax
lea eax, [esp + 0x20]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x470aca
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00468ea0
add esp, 0xc
pop edi
pop esi
add esp, 0x10
ret
push dword [esi + 0xa3c]
mov dword [esp + 0x10], 1
call fcn.0046f2f0
push dword [esi + 0xa40]
imul eax, eax, 0x3e8
mov dword [esp + 0x24], eax
mov dword [esp + 0x18], eax
call fcn.0046f2f0
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [esp + 0x24], eax
mov dword [esp + 0x1c], eax
lea eax, [esp + 0x10]
push eax
push 0
push 0
push 0xc
lea eax, [esp + 0x24]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x470b41
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
push str.Failed_to_set_SIO_KEEPALIVE_VALS_on_fd__d:__d_n
push esi
call fcn.00468ea0
add esp, 0x10
pop edi
pop esi
add esp, 0x10
ret

Function at 0x470b50
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x84
mov eax, dword [esp + 0x88]
push esi
push 4
mov dword [esp + 8], 1
mov esi, dword [eax]
lea eax, [esp + 8]
push eax
push 1
push 6
push dword [esp + 0xa0]
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x470bb1
push pe_nt_image_headers32
lea eax, [esp + 0xc]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.00482ef0
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00468ea0
add esp, 0x18
pop esi
add esp, 0x84
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.00468ea0
add esp, 8
pop esi
add esp, 0x84
ret
Function at 0x47b8e0
Capabilities:
Query environment variable

Disassembly:
mov eax, 0x1000
call fcn.004347c0
push dword [esp + 0x1004]
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x47b92d
push 0x1000
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x47b92d
lea eax, [esp]
push eax
call dword [0x4bffdc]
add esp, 4
add esp, 0x1000
ret
xor eax, eax
add esp, 0x1000
ret
Function at 0x4823d0
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
push ebp
xor ebp, ebp
mov dword [esp + 4], ebp
mov dword [eax], ebp
lea eax, [esp + 8]
push eax
push dword [esp + 0x20]
push dword [esp + 0x20]
push dword [esp + 0x20]
call dword [sym.imp.WS2_32.dll_getaddrinfo]
mov dword [esp + 0xc], eax
test eax, eax
jne 0x482563
push ebx
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x48254d
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x48241f
lea ebx, [eax + 0xe]
jmp 0x48242b
cmp eax, 0x17
jne 0x4824da
lea ebx, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x4824da
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4824da
cmp eax, ebx
jb 0x4824da
push 0x20
call dword [0x4bffd0]
mov esi, eax
add esp, 4
test esi, esi
je 0x482542
mov eax, dword [edi]
mov dword [esi], eax
mov eax, dword [edi + 4]
mov dword [esi + 4], eax
mov eax, dword [edi + 8]
mov dword [esi + 8], eax
mov eax, dword [edi + 0xc]
push ebx
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], ebx
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [0x4bffd0]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x482531
push ebx
push dword [edi + 0x18]
push eax
call sub.MSVCRT.dll_memcpy
mov eax, dword [edi + 0x14]
add esp, 0xc
test eax, eax
je 0x4824c5
push eax
call dword [0x4bffdc]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x482517
test ebp, ebp
jne 0x4824cb
mov ebp, esi
mov eax, dword [esp + 0x10]
test eax, eax
je 0x4824d6
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x482412
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x4824f9
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x482549
push ebp
call fcn.00482390
mov eax, dword [esp + 0x2c]
add esp, 4
xor ebp, ebp
mov dword [eax], ebp
mov eax, ebx
pop edi
pop ebx
pop ebp
add esp, 0xc
ret
push dword [esi + 0x18]
mov ebx, 8
call dword [0x4bffd4]
push esi
call dword [0x4bffd4]
add esp, 8
jmp 0x4824e9
push esi
mov ebx, 8
call dword [0x4bffd4]
add esp, 4
jmp 0x4824e9
mov ebx, 8
jmp 0x4824e9
test ebp, ebp
jne 0x482559
mov ebx, 0x2af9
push ebx
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
pop edi
mov dword [eax], ebp
mov eax, ebx
pop ebx
pop ebp
add esp, 0xc
ret
Function at 0x486ba0
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket
Get local ipv4 addresses
Get socket information
Receive data
Receive data on socket
Send data
Send data on socket
Set socket configuration
Start tcp server

Disassembly:
sub esp, 0x30
push esi
mov esi, dword [sym.imp.WS2_32.dll_socket]
push edi
push 6
push 1
push 2
mov dword [esp + 0x18], 0x10
mov dword [esp + 0x14], 1
call esi
mov edi, eax
cmp edi, 0xffffffff
jne 0x486bd2
pop edi
or eax, eax
pop esi
add esp, 0x30
ret
xor eax, eax
mov dword [esp + 0x10], eax
push ebx
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], eax
mov eax, 2
push 0x7f000001
mov word [esp + 0x18], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov ebx, dword [esp + 0x4c]
mov dword [esp + 0x18], eax
xor eax, eax
push 4
mov word [esp + 0x1a], ax
lea eax, [esp + 0x10]
push eax
push 4
push 0xffff
push edi
mov dword [ebx + 4], 0xffffffff
mov dword [ebx], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x486d67
push 0x10
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x486d67
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x486d67
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x486d67
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x486d67
push 0x10
lea ecx, [esp + 0x18]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x486d67
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x486d67
push ebx
push 0x4a6b88
lea eax, [esp + 0x2c]
push 0xc
push eax
call fcn.0047a520
lea esi, [esp + 0x34]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x486cd4
push 0
sub esi, ecx
lea eax, [esp + 0x28]
push esi
push eax
push dword [ebx]
call dword [sym.imp.WS2_32.dll_send]
cmp eax, esi
jne 0x486d67
push 0
push 0xc
lea eax, [esp + 0x38]
push eax
push dword [ebx + 4]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, esi
jne 0x486d67
lea ecx, [esp + 0x24]
lea edx, [esp + 0x30]
sub esi, 4
jb 0x486d25
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x486d2a
add ecx, 4
add edx, 4
sub esi, 4
jae 0x486d14
cmp esi, 0xfffffffc
je 0x486d57
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x486d67
cmp esi, 0xfffffffd
je 0x486d57
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x486d67
cmp esi, 0xfffffffe
je 0x486d57
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x486d67
cmp esi, 0xffffffff
je 0x486d57
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x486d67
push edi
call dword [sym.imp.WS2_32.dll_closesocket]
pop ebx
pop edi
xor eax, eax
pop esi
add esp, 0x30
ret
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
push edi
call esi
push dword [ebx]
call esi
push dword [ebx + 4]
call esi
pop ebx
pop edi
or eax, 0xffffffff
pop esi
add esp, 0x30
ret
Function at 0x492ebb
Capabilities:
Hash data with md5

Disassembly:
mov eax, dword [esp + 4]
and dword [eax + 0x14], 0
and dword [eax + 0x10], 0
mov dword [eax], 0x67452301
mov dword [eax + 4], 0xefcdab89
mov dword [eax + 8], 0x98badcfe
mov dword [eax + 0xc], 0x10325476
ret
Function at 0x4942c0
Capabilities:
Encode data using xor
Encrypt data using aes
Reference aes constants

Disassembly:
push ebx
push ebp
push esi
mov esi, dword [esp + 0x10]
push edi
push dword [esp + 0x1c]
push dword [esp + 0x1c]
push esi
call fcn.004944a0
mov ebp, eax
add esp, 0xc
xor ebx, ebx
lea edi, [ebp*4]
test edi, edi
jle 0x494339
mov ecx, dword [esp + 0x14]
lea esi, [esi + edi*4]
add esi, 8
add ecx, 8
mov edx, dword [ecx - 8]
lea ecx, [ecx + 0x10]
mov eax, dword [esi - 8]
lea esi, [esi - 0x10]
mov dword [ecx - 0x18], eax
add ebx, 4
mov eax, dword [esi + 0xc]
sub edi, 4
mov dword [esi + 8], edx
mov edx, dword [ecx - 0x14]
mov dword [ecx - 0x14], eax
mov eax, dword [esi + 0x10]
mov dword [esi + 0xc], edx
mov edx, dword [ecx - 0x10]
mov dword [ecx - 0x10], eax
mov eax, dword [esi + 0x14]
mov dword [esi + 0x10], edx
mov edx, dword [ecx - 0xc]
mov dword [ecx - 0xc], eax
mov dword [esi + 0x14], edx
cmp ebx, edi
jl 0x4942f5
mov esi, dword [esp + 0x14]
cmp ebp, 1
jle 0x494499
add esi, 2
lea edi, [ebp - 1]
mov edx, dword [esi + 0xe]
lea esi, [esi + 0x10]
mov eax, edx
shr eax, 0x18
movzx ecx, byte [eax*4 + str.ccccwwww]
movzx eax, byte [esi - 1]
mov ecx, dword [ecx*4 + 0x4aa618]
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4aae18]
movzx eax, byte [esi]
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4aaa18]
movzx eax, dl
mov edx, dword [esi + 2]
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4ab218]
mov eax, edx
shr eax, 0x18
mov dword [esi - 2], ecx
movzx ecx, byte [eax*4 + str.ccccwwww]
movzx eax, byte [esi + 3]
mov ecx, dword [ecx*4 + 0x4aa618]
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4aae18]
movzx eax, byte [esi + 4]
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4aaa18]
movzx eax, dl
mov edx, dword [esi + 6]
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4ab218]
mov eax, edx
shr eax, 0x18
mov dword [esi + 2], ecx
movzx ecx, byte [eax*4 + str.ccccwwww]
movzx eax, byte [esi + 7]
mov ecx, dword [ecx*4 + 0x4aa618]
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4aae18]
movzx eax, byte [esi + 8]
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4aaa18]
movzx eax, dl
mov edx, dword [esi + 0xa]
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4ab218]
mov eax, edx
shr eax, 0x18
mov dword [esi + 6], ecx
movzx ecx, byte [eax*4 + str.ccccwwww]
movzx eax, byte [esi + 0xb]
mov ecx, dword [ecx*4 + 0x4aa618]
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4aae18]
movzx eax, byte [esi + 0xc]
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4aaa18]
movzx eax, dl
movzx eax, byte [eax*4 + str.ccccwwww]
xor ecx, dword [eax*4 + 0x4ab218]
mov dword [esi + 0xa], ecx
dec edi
jne 0x494348
pop edi
pop esi
mov eax, ebp
pop ebp
pop ebx
ret