joyce8/EMBER2024-capa huggingface dataset:
Function at 0x498d80
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x52354b
mov eax, dword fs:[0]
push eax
sub esp, 0x94
push esi
push edi
mov eax, dword [0x55d184]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov eax, dword [ebp + 8]
mov dword [edi + 0x10], eax
test eax, eax
je 0x498ec3
lea eax, [ebp - 0x1c]
push eax
call fcn.00498140
mov ecx, dword [edi + 0x10]
movups xmm0, xmmword [ebp - 0x1c]
push 0
sub esp, 0x10
mov eax, esp
push 0
movups xmmword [eax], xmm0
mov eax, dword [ecx]
push 0x40000080
push 0
mov eax, dword [eax + 0x1c]
call eax
mov ecx, eax
call fcn.00438cf0
push eax
mov ecx, edi
call fcn.00461af0
push eax
call dword [sym.imp.USER32.dll_IsWindow]
test eax, eax
je 0x498ec3
mov esi, dword [edi + 0x10]
mov ecx, esi
call fcn.004384b0
push eax
mov eax, dword [esi]
mov ecx, esi
mov eax, dword [eax + 0x1c]
call eax
mov ecx, eax
call fcn.00438800
mov esi, dword [sym.imp.USER32.dll_SendMessageW]
push 1
push dword [eax]
push 0x30
push dword [edi + 4]
call esi
mov eax, dword [edi + 0x10]
push 0
movzx ecx, word [eax + 0x7a6]
movzx eax, word [eax + 0x7a4]
movzx ecx, cl
shl ecx, 8
movzx eax, al
or ecx, eax
push ecx
push 0x401
push dword [edi + 4]
call esi
lea eax, [ebp - 0xa0]
mov ecx, edi
push eax
call fcn.00498600
mov ecx, dword [edi + 0x10]
push eax
add ecx, 0x1cc
mov dword [ebp - 4], 0
call fcn.00434bf0
lea ecx, [ebp - 0xa0]
mov dword [ebp - 4], 0xffffffff
call fcn.00434b40
mov ecx, dword [edi + 0x10]
mov eax, dword [ecx]
mov eax, dword [eax + 0x10c]
call eax
xor ecx, ecx
cmp al, 1
sete cl
push ecx
push dword [edi + 4]
call dword [sym.imp.USER32.dll_EnableWindow]
push 4
push dword [edi + 4]
call dword [sym.imp.USER32.dll_ShowWindow]
push dword [edi + 4]
call dword [sym.imp.USER32.dll_SetFocus]
mov byte [edi + 0x18], 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret 4

Function at 0x49d4e0
Capabilities:
Access peb ldr_data
Get kernel32 base address

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x524503
mov eax, dword fs:[0]
push eax
push ecx
push esi
mov eax, dword [0x55d184]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0x10], esi
mov dword [esi + 8], 0xffffffff
mov dword [esi + 4], 0xffffffff
mov dword [esi + 0xc], 0
mov dword [esi + 0x20], 0x5614b0
mov dword [esi + 0x10], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x18], 0
mov dword [esi + 0x1c], 0
mov dword [esi + 0x24], 0
mov dword [esi + 0x28], 0
lea ecx, [esi + 0x34]
mov dword [esi], vtable.TiXmlDocument.0
mov dword [ebp - 4], 0
mov dword [ecx], 0x5614b0
mov dword [esi + 0x40], 0xffffffff
mov dword [esi + 0x3c], 0xffffffff
push 0
push 0x539aa0
mov byte [ebp - 4], 1
mov dword [esi + 0x38], 4
mov byte [esi + 0x44], 0
mov byte [esi + 0x2c], 0
mov dword [esi + 0x30], 0
call fcn.004a1010
mov dword [esi + 0x40], 0
mov eax, esi
mov dword [esi + 0x3c], 0
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop esi
mov esp, ebp
pop ebp
ret
Function at 0x4a1ba0
Capabilities:
Check os version
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x144
mov eax, dword [0x55d184]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 0x144]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
push 0x11c
lea eax, [ebp - 0x120]
push 0
push eax
call fcn.004cbbe0
add esp, 0xc
mov dword [ebp - 0x120], 0x11c
lea eax, [ebp - 0x120]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
cmp dword [ebp - 0x11c], 5
jg 0x4a1c12
cmp dword [ebp - 0x118], 2
jg 0x4a1c12
mov eax, 1
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret

Function at 0x4a1c70
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
push edi
mov eax, dword [esi]
cmp dword [eax + 4], 2
jne 0x4a1c9c
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x4a1c8d
pop edi
xor eax, eax
pop esi
pop ebp
ret
push dword [eax + 8]
push dword [ebp + 0x10]
push 1
push dword [ebp + 0xc]
call ecx
jmp 0x4a1cd0
cmp dword [esi + 8], 0
jne 0x4a1cc0
push 0x539ae0
push dword [eax + 8]
call fcn.004dc585
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x4a1cc0
pop edi
or eax, 0xffffffff
pop esi
pop ebp
ret
push dword [esi + 8]
push dword [ebp + 0x10]
push 1
push dword [ebp + 0xc]
call fcn.004ddaee
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x4a1cf2
mov eax, dword [esi + 8]
test eax, eax
je 0x4a1cec
push eax
call fcn.004dc612
add esp, 4
mov dword [esi + 8], edi
mov eax, dword [esi]
mov eax, dword [eax]
mov dword [esi], eax
mov eax, edi
pop edi
pop esi
pop ebp
ret

Function at 0x4a1fc0
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x55d184]
xor eax, ebp
mov dword [ebp - 4], eax
lea eax, [ebp - 0x194]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x4a2010
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4a200a
shr eax, 8
cmp al, 2
jne 0x4a200a
xor eax, eax
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov ecx, dword [ebp - 4]
mov eax, 2
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret

Function at 0x4a2740
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
mov ecx, dword [ebp + 8]
push ebx
push edi
push 0
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ecx + eax*4 + 0x130]
call dword [sym.imp.WS2_32.dll_send]
mov ebx, dword [ebp + 0x18]
mov edi, eax
mov dword [ebx], 0
cmp edi, 0xffffffff
jne 0x4a27be
push esi
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4a278e
pop esi
pop edi
mov dword [ebx], 0x51
xor eax, eax
pop ebx
pop ebp
ret
push esi
push dword [ebp + 8]
call fcn.004afe30
push eax
mov eax, dword [ebp + 8]
push str.Send_failure:__s
push dword [eax]
call fcn.004a2420
mov eax, dword [ebp + 8]
add esp, 0x14
mov eax, dword [eax]
mov dword [eax + 0x856c], esi
mov eax, edi
mov dword [ebx], 0x37
pop esi
pop edi
pop ebx
pop ebp
ret
Function at 0x4a29a0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
mov esi, dword [ebp + 8]
mov eax, dword [esi + 0x164]
test eax, eax
je 0x4a29c9
push dword [esi + 0xf4]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push esi
call eax
add esp, 0x14
pop esi
pop ebp
ret
mov eax, dword [ebp + 0xc]
cmp eax, 2
ja 0x4a29ff
push dword [esi + 0xf0]
lea eax, [eax + eax*2]
push 1
add eax, 0x53a3c0
push 2
push eax
call fcn.004dc8ca
push dword [esi + 0xf0]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.004dc8ca
add esp, 0x20
xor eax, eax
pop esi
pop ebp
ret

Function at 0x4a5bc0
Capabilities:
Create udp socket

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
push 0x48
push 1
call dword [0x55d264]
mov esi, dword [ebp + 8]
mov edi, eax
add esp, 8
mov ebx, 8
mov dword [esi + 0x3bc], edi
test edi, edi
je 0x4a5c9c
push dword [ebp + 0x14]
mov ecx, dword [ebp + 0x10]
lea eax, [edi + 0x10]
push ecx
push dword [ebp + 0xc]
mov dword [esi + 0x3ac], ecx
mov dword [esi + 0x3b4], 0
mov dword [esi + 0x3b8], 0
mov dword [esi + 0x3b0], 0
push eax
mov dword [edi + 4], 0xffffffff
mov dword [edi], 0
call fcn.004a5cd0
add esp, 0x10
test eax, eax
je 0x4a5c9c
mov eax, dword [esi + 0x3a8]
test eax, eax
je 0x4a5c54
push eax
call dword [0x55d258]
add esp, 4
mov dword [esi + 0x3a8], 0
push dword [ebp + 0xc]
call dword [0x55d260]
add esp, 4
mov dword [esi + 0x3a8], eax
test eax, eax
je 0x4a5c9c
push 0
push 2
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov dword [edi + 4], eax
cmp eax, 0xffffffff
je 0x4a5c9c
lea eax, [edi + 0x10]
push eax
push 0x4a5b30
call fcn.004b2480
add esp, 8
mov dword [edi], eax
test eax, eax
jne 0x4a5cb9
call fcn.004dbd59
mov ebx, dword [eax]
lea eax, [esi + 0x3a8]
push eax
call fcn.004a5a40
add esp, 4
push ebx
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
xor eax, eax
pop ebx
pop ebp
ret
pop edi
pop esi
mov eax, 1
pop ebx
pop ebp
ret

Function at 0x4ae460
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 8]
mov ecx, dword [eax + 0x530]
cmp ecx, 0xffffffff
je 0x4ae4bb
mov eax, dword [eax + 0x524]
mov eax, dword [eax]
mov eax, dword [eax + ecx*4]
test eax, eax
je 0x4ae4bb
mov ecx, dword [ebp + 0xc]
test ecx, ecx
je 0x4ae489
mov dword [ecx], eax
cmp dword [eax + 0x148], 0
push esi
mov esi, dword [eax + 0x130]
je 0x4ae49f
or eax, 0xffffffff
pop esi
pop ebp
ret
push 2
push 1
lea eax, [ebp + 0xb]
push eax
push esi
call dword [sym.imp.WS2_32.dll_recv]
or ecx, 0xffffffff
test eax, eax
cmove esi, ecx
mov eax, esi
pop esi
pop ebp
ret
or eax, 0xffffffff
pop ebp
ret
Function at 0x4ae6a0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x55d184]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
cmp dword [edi + 0x19c], 0
mov ebx, dword [edi]
jne 0x4ae813
mov esi, dword [ebp + 0xc]
lea eax, [ebp - 0x108]
push eax
lea eax, [ebp - 0x84]
mov dword [ebp - 0x108], 0x80
push eax
push esi
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x4ae71e
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004afe30
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004a2420
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 0x108]
mov dword [ebp - 0x108], 0x80
push eax
lea eax, [ebp - 0x104]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4ae771
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004afe30
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004a2420
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret
lea eax, [edi + 0xcc]
push eax
lea eax, [edi + 0x9e]
push eax
lea eax, [ebp - 0x84]
push eax
call fcn.004aec10
add esp, 0xc
test eax, eax
jne 0x4ae7c2
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004afe30
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004a2420
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret
lea eax, [edi + 0x100]
push eax
lea eax, [edi + 0xd0]
push eax
lea eax, [ebp - 0x104]
push eax
call fcn.004aec10
add esp, 0xc
test eax, eax
jne 0x4ae813
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004afe30
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004a2420
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret
push edi
call fcn.004ae4c0
mov ecx, dword [ebp - 4]
add esp, 4
xor ecx, ebp
pop edi
pop esi
pop ebx
call fcn.0049be04
mov esp, ebp
pop ebp
ret
Function at 0x4af080
Capabilities:
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
push esi
push edi
mov edi, dword [ebp + 8]
push 4
mov esi, dword [edi]
mov eax, dword [esi + 0x314]
mov dword [ebp + 8], eax
lea eax, [ebp + 8]
push eax
push 1
push 6
push dword [ebp + 0xc]
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4af0ca
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.004afe30
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004a24c0
add esp, 0x14
pop edi
pop esi
pop ebp
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004a24c0
add esp, 8
pop edi
pop esi
pop ebp
ret

Function at 0x4b0f30
Capabilities:
Parse pe header

Disassembly:
push ebp
mov ebp, esp
mov cl, byte [ebp + 8]
movsx eax, cl
add eax, 0xffffff9f
cmp eax, 0x19
ja case.default.0x4b0f41
jmp dword [eax*4 + 0x4b0fb4]
mov al, 0x41
pop ebp
ret
mov al, 0x42
pop ebp
ret
mov al, 0x43
pop ebp
ret
mov al, 0x44
pop ebp
ret
mov al, 0x45
pop ebp
ret
mov al, 0x46
pop ebp
ret
mov al, 0x47
pop ebp
ret
mov al, 0x48
pop ebp
ret
mov al, 0x49
pop ebp
ret
mov al, 0x4a
pop ebp
ret
mov al, 0x4b
pop ebp
ret
mov al, 0x4c
pop ebp
ret
mov al, 0x4d
pop ebp
ret
mov al, 0x4e
pop ebp
ret
mov al, 0x4f
pop ebp
ret
mov al, 0x50
pop ebp
ret
mov al, 0x51
pop ebp
ret
mov al, 0x52
pop ebp
ret
mov al, 0x53
pop ebp
ret
mov al, 0x54
pop ebp
ret
mov al, 0x55
pop ebp
ret
mov al, 0x56
pop ebp
ret
mov al, 0x57
pop ebp
ret
mov al, 0x58
pop ebp
ret
mov al, 0x59
pop ebp
ret
mov al, 0x5a
pop ebp
ret
mov al, cl
pop ebp
ret
Function at 0x4b1d10
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x230
mov eax, dword [0x55d184]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [0x5614f0], 0
mov dword [ebp - 0x230], str.getaddrinfo
mov dword [ebp - 0x22c], 0x4b1820
mov dword [ebp - 0x228], str.getnameinfo
mov dword [ebp - 0x224], 0x4b1ac0
mov dword [ebp - 0x220], str.freeaddrinfo
mov dword [ebp - 0x21c], fcn.004b17d0
jne 0x4b1e92
push 0x104
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4b1e88
push ebx
push esi
push edi
lea eax, [ebp - 0x218]
push eax
lea eax, [ebp - 0x110]
push 0x10c
push eax
call fcn.004e5d1c
push str.ws2_32
lea eax, [ebp - 0x110]
push 0x10c
push eax
call fcn.004e5d76
add esp, 0x18
lea eax, [ebp - 0x110]
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov esi, dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov edi, eax
mov ebx, dword [sym.imp.KERNEL32.dll_GetProcAddress]
test edi, edi
je 0x4b1de8
push str.getaddrinfo
push edi
call ebx
test eax, eax
jne 0x4b1e3d
push edi
call esi
lea eax, [ebp - 0x218]
push eax
lea eax, [ebp - 0x110]
push 0x10c
push eax
call fcn.004e5d1c
push str.wship6
lea eax, [ebp - 0x110]
push 0x10c
push eax
call fcn.004e5d76
add esp, 0x18
lea eax, [ebp - 0x110]
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
test edi, edi
je 0x4b1e85
push str.getaddrinfo
push edi
call ebx
test eax, eax
jne 0x4b1e3d
push edi
call esi
jmp 0x4b1e85
xor esi, esi
nop
push dword [ebp + esi*8 - 0x230]
push edi
call ebx
mov dword [ebp + esi*8 - 0x22c], eax
test eax, eax
je 0x4b1e7e
inc esi
cmp esi, 3
jl 0x4b1e40
mov eax, dword [ebp - 0x22c]
mov dword [0x55d26c], eax
mov eax, dword [ebp - 0x224]
mov dword [0x55d274], eax
mov eax, dword [ebp - 0x21c]
mov dword [fcn.004b17d0], eax
jmp 0x4b1e85
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
pop edi
pop esi
pop ebx
mov dword [0x5614f0], 1
movzx eax, word [ebp + 8]
mov ecx, dword [ebp - 4]
xor ecx, ebp
mov eax, dword [eax*8 + 0x55d26c]
call fcn.0049be04
mov esp, ebp
pop ebp
ret 4
Function at 0x4b2150
Capabilities:
Resolve dns

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0x18]
push ebx
push edi
mov edi, dword [ebp + 0x1c]
push dword [ebp + 8]
mov dword [edi], 0
mov byte [eax], 0
call dword [sym.imp.WS2_32.dll_gethostbyname]
mov ebx, eax
test ebx, ebx
je 0x4b21de
cmp word [ebx + 8], 2
push esi
jne 0x4b21b2
cmp word [ebx + 0xa], 4
jne 0x4b21b2
mov esi, dword [ebx + 0xc]
mov eax, dword [esi]
test eax, eax
je 0x4b21b2
nop dword [eax + eax]
push dword [eax]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
call fcn.004b2070
mov dword [edi], eax
test eax, eax
je 0x4b21d2
add esi, 4
lea edi, [eax + 0x1c]
mov eax, dword [esi]
test eax, eax
jne 0x4b2190
push 0x400
push dword [ebx]
push 0x401
push dword [ebp + 0x18]
call fcn.004e5e90
add esp, 0x10
xor eax, eax
pop esi
pop edi
pop ebx
pop ebp
ret 0x18
pop esi
pop edi
mov eax, 8
pop ebx
pop ebp
ret 0x18
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
add eax, 0xffffd507
cmp eax, 3
ja case.0x4b21ee.11001
jmp dword [eax*4 + 0x4b2218]
pop edi
mov eax, 0x2af9
pop ebx
pop ebp
ret 0x18
pop edi
mov eax, 0x2afa
pop ebx
pop ebp
ret 0x18
pop edi
mov eax, 0x2afb
pop ebx
pop ebp
ret 0x18

Function at 0x4b2480
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push 0
push 0
push dword [ebp + 0xc]
push dword [ebp + 8]
push 0
push 0
call fcn.004e5fef
add esp, 0x18
test eax, eax
je 0x4b24a2
cmp eax, 0xffffffff
jne 0x4b24a4
xor eax, eax
pop ebp
ret
Function at 0x4ba550
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x55d184]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x194]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x4ba59d
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004a2420
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x4ba5c5
shr eax, 8
test al, al
jne 0x4ba5c5
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004a2420
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.0049be04
mov esp, ebp
pop ebp
ret

Function at 0x4bad40
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
push edi
push 0
mov byte [ebp + 0xa], al
lea eax, [ebp + 8]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x130]
mov byte [ebp + 8], 0xff
mov byte [ebp + 9], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4bad88
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004a2420
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.004ba6c0
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x4bafb0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x55d184]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
mov dword [ebp - 0x90c], edi
mov ebx, dword [edi]
mov dword [ebp - 0x908], ebx
mov esi, dword [ebx + 0x8664]
mov eax, dword [esi + 0x1ab0]
sub eax, dword [esi + 0x1aac]
add eax, 2
push eax
lea eax, [esi + 0x18ac]
push eax
push 0x3c
push ebx
call fcn.004ba7c0
mov eax, dword [esi + 0x1aac]
add esp, 0x10
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1aac], eax
cmp ecx, 0x18
je 0x4bb168
cmp ecx, 0x23
je 0x4bb144
cmp ecx, 0x27
jne 0x4bb1f6
push 0
push ecx
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.004a2b80
mov esi, dword [esi + 0x18a8]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x4bb0e3
mov edx, dword [esi]
mov ecx, edx
lea ebx, [ecx + 1]
nop dword [eax + eax]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bb070
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x4bb0d1
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.00424786
lea eax, [ebp - 0x84]
push eax
push 1
lea eax, [ebp - 0x104]
push eax
push 0
mov eax, 0x800
sub eax, edi
push str._c_s_c_s
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004a2b80
add esp, 0x2c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x4bb064
mov ebx, dword [ebp - 0x908]
mov eax, 0x800
push 0xf0
push 0xff
sub eax, edi
push 0x53dd68
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.004a2b80
add esp, 0x14
lea eax, [edi + 2]
push 0
push eax
lea eax, [ebp - 0x904]
push eax
mov eax, dword [ebp - 0x90c]
push dword [eax + 0x130]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4bb13e
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004a2420
add esp, 0xc
push edi
jmp 0x4bb1e4
lea edx, [esi + 0x1828]
mov ecx, edx
lea esi, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bb150
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x4bb189
lea edx, [esi + 0x1808]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4bb173
push 0xf0
push 0xff
push edx
push 0
push 0x18
push 0xfa
push 0xff
push str._c_c_c_c_s_c_c
sub ecx, esi
lea eax, [ebp - 0x904]
push 0x800
push eax
lea esi, [ecx + 6]
call fcn.004a2b80
add esp, 0x28
lea eax, [ebp - 0x904]
push 0
push esi
push eax
push dword [edi + 0x130]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4bb1e0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.004a2420
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.004ba7c0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0049be04
mov esp, ebp
pop ebp
ret
Function at 0x4bc0f0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x55d184]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov esi, dword [eax + 0x3d0]
mov edi, dword [eax]
lea ebx, [esi + 0x15c]
mov dword [ebp - 0x8c], eax
lea eax, [ebp - 0x88]
push eax
mov dword [ebp - 0x88], 0x80
lea eax, [ebp - 0x84]
push eax
mov eax, dword [esi + 0x154]
push 0
add eax, 4
push eax
push dword [ebx]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [esi + 0x148], 0
mov dword [esi + 0x14c], eax
jne 0x4bc183
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.004cb070
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x4bc1b6
push str.Received_too_short_packet
push edi
call fcn.004a2420
add esp, 8
mov dword [esi + 0xc], 7
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret
push ebx
call fcn.004bba10
movzx eax, ax
add esp, 4
mov dword [esi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x4bc1d1
jmp dword [eax*4 + 0x4bc2e8]
cmp edx, 4
jle case.0x4bc1d1.4
push ebx
call fcn.004bb9f0
movzx ecx, word [esi + 0x40]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x4bc1d1.4
lea eax, [edx - 4]
push eax
mov eax, dword [ebx]
add eax, 4
push eax
push 1
push dword [ebp - 0x8c]
call fcn.004a21e0
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x4bc236
push 5
push esi
call fcn.004bc9e0
add esp, 8
mov eax, ebx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x14c]
sub eax, 4
cdq
add dword [edi + 0x38], eax
adc dword [edi + 0x3c], edx
push dword [edi + 0x3c]
push dword [edi + 0x38]
push edi
call fcn.004b8740
jmp 0x4bc2ae
push ebx
call fcn.004bb9f0
movzx eax, ax
mov dword [esi + 8], eax
mov eax, dword [ebx]
add eax, 4
push eax
push 0x53a6dc
push edi
call fcn.004a24c0
add esp, 0x10
jmp case.0x4bc1d1.4
lea eax, [edx - 2]
push eax
mov eax, dword [ebx]
add eax, 2
push eax
push esi
call fcn.004bbe70
add esp, 0xc
test eax, eax
je case.0x4bc1d1.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049be04
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x539b28
push edi
call fcn.004a2420
add esp, 0xc
push dword [ebp - 0x8c]
call fcn.004b8970
add esp, 4
test eax, eax
je 0x4bc1a3
push 5
push esi
call fcn.004bc9e0
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.0049be04
mov esp, ebp
pop ebp
ret