joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4a4230
Capabilities:
Encrypt data using rc4 prga

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0x14]
sub esp, 0x10
mov ecx, dword [ebp + 0xc]
mov eax, dword [eax]
push ebx
xor ebx, ebx
and eax, 7
cmp ecx, 5
jae 0x4a4250
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
add dword [ebp + 0x10], 5
lea edx, [ecx - 4]
push esi
mov esi, dword [ebp + 8]
push edi
or edi, 0xffffffff
add edx, esi
mov dword [ebp - 4], edx
add esi, ebx
mov dword [ebp + 0xc], esi
cmp esi, edx
jae 0x4a4282
nop dword [eax]
mov cl, byte [esi]
and cl, 0xfe
cmp cl, 0xe8
je 0x4a427f
inc esi
cmp esi, edx
jb 0x4a4270
mov dword [ebp + 0xc], esi
mov ebx, esi
sub ebx, dword [ebp + 8]
mov ecx, ebx
sub ecx, edi
cmp esi, edx
jae 0x4a43ac
cmp ecx, 3
jbe 0x4a42c2
xor eax, eax
mov cl, byte [esi + 4]
mov edi, ebx
mov dword [ebp - 0x10], edi
test cl, cl
je 0x4a4300
cmp cl, 0xff
je 0x4a4300
mov edx, dword [ebp - 4]
and eax, 3
mov esi, dword [ebp + 8]
add eax, eax
mov ecx, 1
or eax, 1
add ebx, ecx
jmp 0x4a4264
dec ecx
shl eax, cl
and eax, 7
je 0x4a429a
movzx ecx, byte [eax + 0x568e2c]
mov edx, esi
sub edx, ecx
cmp byte [eax + 0x568e24], 0
mov cl, byte [edx + 4]
je 0x4a42ea
test cl, cl
je 0x4a42ea
cmp cl, 0xff
jne 0x4a429a
mov edx, dword [ebp - 4]
and eax, 3
mov esi, dword [ebp + 8]
add eax, eax
mov edi, ebx
or eax, 1
inc ebx
jmp 0x4a4264
movzx edi, cl
movzx ecx, byte [esi + 3]
shl edi, 8
or edi, ecx
movzx ecx, byte [esi + 2]
shl edi, 8
or edi, ecx
movzx ecx, byte [esi + 1]
mov esi, dword [ebp + 0x10]
shl edi, 8
or edi, ecx
cmp dword [ebp + 0x18], 0
je 0x4a432e
lea edx, [edi + ebx]
add edx, esi
jmp 0x4a4334
mov edx, edi
sub edx, ebx
sub edx, esi
test eax, eax
je 0x4a4372
movzx edi, byte [eax + 0x568e2c]
mov ecx, 0x18
shl edi, 3
sub ecx, edi
mov dword [ebp - 0xc], edi
mov edi, edx
shr edi, cl
mov ecx, edi
mov dword [ebp - 8], edi
test cl, cl
je 0x4a435e
cmp cl, 0xff
jne 0x4a4372
mov ecx, 0x20
mov edi, 1
sub ecx, dword [ebp - 0xc]
shl edi, cl
dec edi
xor edi, edx
jmp 0x4a4321
mov esi, dword [ebp + 0xc]
mov ecx, edx
mov edi, dword [ebp - 0x10]
shr ecx, 0x18
and cl, 1
dec cl
mov byte [esi + 1], dl
not cl
mov byte [esi + 4], cl
mov ecx, edx
shr ecx, 0x10
mov byte [esi + 3], cl
mov ecx, edx
mov edx, dword [ebp - 4]
shr ecx, 8
mov byte [esi + 2], cl
mov ecx, 5
mov esi, dword [ebp + 8]
add ebx, ecx
jmp 0x4a4264
pop edi
pop esi
cmp ecx, 3
jbe 0x4a43c1
mov ecx, dword [ebp + 0x14]
xor eax, eax
mov dword [ecx], eax
mov eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret
dec ecx
shl eax, cl
mov ecx, dword [ebp + 0x14]
and eax, 7
mov dword [ecx], eax
mov eax, ebx
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4b4bc0
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x5a7464]
xor eax, esp
mov dword [esp + 0x190], eax
lea eax, [esp]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x4b4c15
mov eax, dword [esp]
cmp al, 2
jne 0x4b4c0f
shr eax, 8
cmp al, 2
jne 0x4b4c0f
call fcn.004bc140
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.00508494
add esp, 0x194
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov ecx, dword [esp + 0x190]
mov eax, 2
xor ecx, esp
call fcn.00508494
add esp, 0x194
ret
Function at 0x4bcae0
Capabilities:
Terminate process

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x4bcafc
cmp dword [esi + 0x48], 0
je 0x4bcafc
push 2
push 3
push esi
call fcn.004d3a20
add esp, 0xc
push dword [esp + 0xc]
call fcn.004ccf20
add esp, 4
test esi, esi
je 0x4bcb1d
cmp dword [esi + 0x48], 0
je 0x4bcb1d
push 3
push esi
call fcn.004d3a60
add esp, 8
pop esi
ret
Function at 0x4c5d50
Capabilities:
Write file on windows

Disassembly:
push ebx
push edi
mov edi, dword [esp + 0xc]
lea eax, [esp + 0x14]
push eax
push dword [esp + 0x14]
lea ebx, [edi + 0x5ac]
push 0x4000
push ebx
call fcn.004c7f30
mov eax, dword [edi + 0x160]
add esp, 0x10
test eax, eax
je 0x4c5da1
cmp byte [edi + 0x85dc], 0
jne 0x4c5da1
push ebx
push 0x56d02c
push 0x100
push eax
call fcn.004c7e40
add esp, 0x10
mov byte [edi + 0x85dc], 1
cmp byte [edi + 0x318], 0
je 0x4c5e16
push esi
mov esi, ebx
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4c5db0
sub esi, ecx
cmp esi, 0x3fff
jae 0x4c5dd1
mov byte [edi + esi + 0x5ac], 0xa
inc esi
mov byte [edi + esi + 0x5ac], al
mov eax, dword [edi + 0x1d0]
test eax, eax
je 0x4c5def
push dword [edi + 0x15c]
push esi
push ebx
push 0
push edi
call eax
add esp, 0x14
pop esi
pop edi
pop ebx
ret
push dword [edi + 0x158]
push 1
push 2
push 0x56d014
call fcn.00525d04
push dword [edi + 0x158]
push 1
push esi
push ebx
call fcn.00525d04
add esp, 0x20
pop esi
pop edi
pop ebx
ret

Function at 0x4c5e20
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x808
mov eax, dword [0x5a7464]
xor eax, esp
mov dword [esp + 0x804], eax
push edi
mov edi, dword [esp + 0x810]
test edi, edi
je 0x4c5ee9
cmp byte [edi + 0x318], 0
je 0x4c5ee9
push esi
lea eax, [esp + 0x81c]
push eax
push dword [esp + 0x81c]
lea eax, [esp + 0x10]
push 0x801
push eax
call fcn.004c7f30
lea esi, [esp + 0x18]
add esp, 0x10
lea ecx, [esi + 1]
nop word [eax + eax]
mov al, byte [esi]
inc esi
test al, al
jne 0x4c5e80
mov eax, dword [edi + 0x1d0]
sub esi, ecx
test eax, eax
je 0x4c5ebe
push dword [edi + 0x15c]
lea ecx, [esp + 0xc]
push esi
push ecx
push 0
push edi
call eax
add esp, 0x14
pop esi
pop edi
mov ecx, dword [esp + 0x804]
xor ecx, esp
call fcn.00508494
add esp, 0x808
ret
push dword [edi + 0x158]
push 1
push 2
push 0x56d014
call fcn.00525d04
push dword [edi + 0x158]
lea eax, [esp + 0x1c]
push 1
push esi
push eax
call fcn.00525d04
add esp, 0x20
pop esi
mov ecx, dword [esp + 0x808]
pop edi
xor ecx, esp
call fcn.00508494
add esp, 0x808
ret

Function at 0x4c6110
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 8]
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x14]
push eax
push edi
mov esi, dword [edi + eax*4 + 0x168]
call fcn.004c64c0
add esp, 8
push 0
push dword [esp + 0x24]
push dword [esp + 0x24]
push esi
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [esp + 0x24]
mov ebx, eax
mov dword [ebp], 0
cmp ebx, 0xffffffff
jne 0x4c6196
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4c616e
pop edi
pop esi
mov dword [ebp], 0x51
xor eax, eax
pop ebp
pop ebx
ret
push esi
push edi
call fcn.004b53c0
push eax
push str.Send_failure:__s
push dword [edi]
call fcn.004c5d50
mov eax, dword [edi]
add esp, 0x14
mov dword [eax + 0x85e0], esi
mov eax, ebx
mov dword [ebp], 0x37
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x4c64c0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov ecx, dword [esp + 4]
mov edx, dword [esp + 8]
mov eax, edx
push ebx
push esi
shl eax, 4
lea esi, [ecx + 0x18c]
mov ebx, dword [ecx + edx*4 + 0x168]
add esi, eax
mov eax, dword [ecx + 0x2b8]
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x3c], 3
je 0x4c656e
cmp dword [ecx + edx*4 + 0x17c], 0x4c6070
jne 0x4c656e
cmp dword [esi], 0
je 0x4c6507
test edi, edi
je 0x4c656e
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.004c56b0
add esp, 0x10
cmp eax, 0xffffffff
je 0x4c656e
test al, 1
je 0x4c656e
cmp dword [esi], 0
jne 0x4c6557
push 0x8000
mov dword [esi + 4], 0x8000
call dword [0x5a7360]
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 0x4c6557
pop edi
mov dword [esi + 4], eax
pop esi
pop ebx
ret
mov eax, dword [esi]
add eax, dword [esi + 8]
push 0
push edi
push eax
push ebx
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x4c656e
add dword [esi + 8], eax
pop edi
pop esi
pop ebx
ret

Function at 0x4c6580
Capabilities:
Write file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x1d0]
test eax, eax
je 0x4c65a9
push dword [esi + 0x15c]
push dword [esp + 0x18]
push dword [esp + 0x18]
push dword [esp + 0x18]
push esi
call eax
add esp, 0x14
pop esi
ret
mov eax, dword [esp + 0xc]
cmp eax, 2
ja 0x4c65e2
push dword [esi + 0x158]
lea eax, [eax + eax*2]
push 1
add eax, 0x56d014
push 2
push eax
call fcn.00525d04
push dword [esi + 0x158]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call fcn.00525d04
add esp, 0x20
xor eax, eax
pop esi
ret

Function at 0x4c67a0
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 8
push esi
push edi
mov edi, dword [esp + 0x14]
mov esi, dword [edi + 0x5a0]
test esi, esi
je 0x4c67f6
mov eax, dword [edi + 0x44]
test eax, eax
jne 0x4c67bf
cmp dword [edi + 0x40], eax
je 0x4c67f6
mov dword [esp + 8], esi
mov byte [esp + 0xc], 0
test eax, eax
jne 0x4c67cf
mov eax, dword [edi + 0x40]
push 0x4c7630
lea ecx, [esp + 0xc]
add eax, 0x68
push ecx
push eax
call fcn.004d19b0
add esp, 0xc
cmp byte [esp + 0xc], 0
jne 0x4c67ff
mov dword [edi + 0x5a0], 0
pop edi
or eax, 0xffffffff
pop esi
add esp, 8
ret
mov eax, dword [esp + 0x18]
test eax, eax
je 0x4c6809
mov dword [eax], esi
cmp byte [esi + 0x1ac], 0
mov edi, dword [esi + 0x168]
je 0x4c682e
push esi
call fcn.0040c280
add esp, 4
test eax, eax
jne 0x4c6847
pop edi
or eax, 0xffffffff
pop esi
add esp, 8
ret
cmp edi, 0xffffffff
je 0x4c6847
push 2
push 1
lea eax, [esp + 0x1c]
push eax
push edi
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
je 0x4c67f6
mov eax, edi
pop edi
pop esi
add esp, 8
ret
Function at 0x4c6eb0
Capabilities:
Set socket configuration

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
lea eax, [esp + 0xc]
push 4
push eax
push 1
mov esi, dword [edi]
push 6
push dword [esp + 0x20]
mov dword [esp + 0x20], 1
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4c6ef8
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.004b53c0
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004c5e20
add esp, 0x14
pop edi
pop esi
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004c5e20
add esp, 8
pop edi
pop esi
ret
Function at 0x4c6fe0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x108
mov eax, dword [0x5a7464]
xor eax, esp
mov dword [esp + 0x104], eax
push ebx
push edi
mov edi, dword [esp + 0x114]
cmp dword [edi + 0x8c], 2
mov ebx, dword [edi]
je 0x4c71d3
cmp byte [edi + 0x28a], 0
push esi
jne 0x4c71c9
cmp byte [edi + 0x2a4], 0
jne 0x4c71c9
mov esi, dword [esp + 0x11c]
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x94]
mov dword [esp + 0x10], 0x80
push eax
push esi
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x4c7085
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004b53c0
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004c5d50
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.00508494
add esp, 0x108
ret
push 0x80
lea eax, [esp + 0x14]
mov dword [esp + 0x10], 0x80
push 0
push eax
call fcn.004b3660
add esp, 0xc
lea eax, [esp + 0xc]
push eax
lea eax, [esp + 0x14]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4c70ed
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004b53c0
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004c5d50
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.00508494
add esp, 0x108
ret
lea eax, [edi + 0xfc]
push eax
lea esi, [edi + 0xcc]
lea eax, [esp + 0x94]
push esi
push eax
call fcn.004c7650
add esp, 0xc
test al, al
jne 0x4c7146
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004b53c0
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004c5d50
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.00508494
add esp, 0x108
ret
movups xmm0, xmmword [esi]
mov eax, dword [esi + 0x28]
movups xmmword [edi + 0x58], xmm0
movups xmm0, xmmword [esi + 0x10]
movups xmmword [edi + 0x68], xmm0
movq xmm0, qword [esi + 0x20]
movq qword [edi + 0x78], xmm0
mov dword [edi + 0x80], eax
mov ax, word [esi + 0x2c]
mov word [edi + 0x84], ax
lea eax, [edi + 0x130]
push eax
lea eax, [edi + 0x100]
push eax
lea eax, [esp + 0x18]
push eax
call fcn.004c7650
add esp, 0xc
test al, al
jne 0x4c71c9
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004b53c0
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004c5d50
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.00508494
add esp, 0x108
ret
push edi
call fcn.004c6c80
add esp, 4
pop esi
mov ecx, dword [esp + 0x10c]
pop edi
pop ebx
xor ecx, esp
call fcn.00508494
add esp, 0x108
ret
Function at 0x4c7970
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x5a7464]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
xor eax, eax
push edi
mov edi, dword [esp + 0x28]
push 4
cmp byte [esi + 0x434], al
setne al
mov dword [esp + 0xc], eax
lea eax, [esp + 0xc]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x4c79d0
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004c5e20
add esp, 0xc
pop edi
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.00508494
add esp, 0x18
ret
push dword [esi + 0x438]
mov dword [esp + 0x14], 1
call fcn.004d2af0
push dword [esi + 0x43c]
imul eax, eax, 0x3e8
mov dword [esp + 0x10], eax
mov dword [esp + 0x1c], eax
call fcn.004d2af0
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [esp + 0x10], eax
mov dword [esp + 0x20], eax
lea eax, [esp + 0x14]
push eax
push 0
push 0
push 0xc
lea eax, [esp + 0x28]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x4c7a47
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.004c5e20
add esp, 0x10
mov ecx, dword [esp + 0x1c]
pop edi
pop esi
xor ecx, esp
call fcn.00508494
add esp, 0x18
ret
Function at 0x4c9410
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0xc]
test eax, eax
jne 0x4c941c
pop ebp
ret
mov dword [ebp + 0xc], eax
pop ebp
jmp fcn.004c9430
Function at 0x4d3ce0
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 0x4d3cfa
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 0x571874
push esi
call fcn.00534d50
add esp, 8
test eax, eax
je 0x4d3d42
test ebp, ebp
je 0x4d3d33
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 0x4d3d68
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4d3d68
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 0x4d3e1f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d3d85
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x5a7360]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4d3e15
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4d3e15
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d3db7
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 0x4d3dd0
sub ecx, edx
add ecx, ebx
sub ecx, esi
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x4d3de0
test ebp, ebp
je 0x4d3e0c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x5a7364]
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 [0x5a7364]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4d3fd0
Capabilities:
Resolve dns

Disassembly:
sub esp, 8
mov eax, dword [esp + 0x18]
push ebx
push ebp
xor ebx, ebx
xor ebp, ebp
mov dword [eax], ebx
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 0x4d414c
push edi
mov edi, dword [esp + 0xc]
test edi, edi
je 0x4d4137
push esi
cmp dword [edi + 4], 2
jne 0x4d40c4
cmp dword [edi + 0x18], 0
je 0x4d40c4
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4d40c4
cmp eax, 0x10
jb 0x4d40c4
push 0x20
call dword [0x5a7360]
mov esi, eax
add esp, 4
test esi, esi
je 0x4d412c
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 0x10
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], 0x10
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [0x5a7360]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4d411b
mov ecx, dword [edi + 0x18]
movups xmm0, xmmword [ecx]
movups xmmword [eax], xmm0
mov eax, dword [edi + 0x14]
test eax, eax
je 0x4d40b6
push eax
call dword [0x5a736c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4d4101
test ebx, ebx
cmove ebx, esi
test ebp, ebp
je 0x4d40c2
mov dword [ebp + 0x1c], esi
mov ebp, esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4d4010
mov ebp, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
pop esi
test eax, eax
je 0x4d40e3
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x4d4133
push ebx
call fcn.004d3f90
mov eax, dword [esp + 0x28]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, ebp
pop edi
pop ebp
pop ebx
add esp, 8
ret
push dword [esi + 0x18]
mov ebp, 8
call dword [0x5a7364]
push esi
call dword [0x5a7364]
add esp, 8
jmp 0x4d40d3
push esi
mov ebp, 8
call dword [0x5a7364]
add esp, 4
jmp 0x4d40d3
mov ebp, 8
jmp 0x4d40d3
test ebx, ebx
jne 0x4d4143
mov ebp, 0x2af9
push ebp
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x24]
pop edi
mov dword [eax], ebx
mov eax, ebp
pop ebp
pop ebx
add esp, 8
ret
Function at 0x4d8650
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x18
mov eax, dword [0x5a7464]
xor eax, esp
mov dword [esp + 0x14], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x28]
lea eax, [esp + 0xc]
push edi
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x10
mov ebp, dword [esi + 0x16c]
or edi, 0xffffffff
mov ebx, dword [esi]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x4d86a9
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x10
push eax
lea eax, [esp + 0x18]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_accept]
mov edi, eax
push ebp
push esi
call fcn.004c65f0
add esp, 8
cmp edi, 0xffffffff
jne 0x4d86de
push str.Error_accept__ing_server_connect
push ebx
call fcn.004c5d50
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.00508494
add esp, 0x18
ret
push str.Connection_accepted_from_server_n
push ebx
call fcn.004c5e20
push 1
mov byte [esi + 0x293], 0
push edi
mov dword [esi + 0x16c], edi
call fcn.004e83e0
mov byte [esi + 0x179], 1
add esp, 0x10
mov eax, dword [ebx + 0x1d8]
test eax, eax
je 0x4d8745
push 1
push edi
push dword [ebx + 0x1dc]
call eax
add esp, 0xc
test eax, eax
je 0x4d8745
push esi
call fcn.004d8bc0
add esp, 4
mov eax, 0x2a
pop edi
pop esi
pop ebp
pop ebx
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.00508494
add esp, 0x18
ret
mov ecx, dword [esp + 0x24]
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00508494
add esp, 0x18
ret
Function at 0x4dd220
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x5a7464]
xor eax, esp
mov dword [esp + 0x190], eax
push esi
mov esi, dword [esp + 0x19c]
lea eax, [esp + 4]
push eax
push 2
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
je 0x4dd25e
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004c5d50
add esp, 0xc
jmp 0x4dd299
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4dd28b
shr eax, 8
test al, al
jne 0x4dd28b
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.00508494
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004c5d50
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.00508494
add esp, 0x194
ret

Function at 0x4ddb40
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0xc]
push esi
mov esi, dword [esp + 0xc]
push edi
push 0
mov byte [esp + 0x16], al
lea eax, [esp + 0x14]
mov edi, dword [esi]
push 3
push eax
push dword [esi + 0x168]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4ddb8c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004c5d50
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.004dd440
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x4ddc70
Capabilities:
Send data
Send data on socket

Disassembly:
sub esp, 0x14
cmp dword [esp + 0x1c], 0x1f
mov eax, dword [esp + 0x18]
push ebx
mov eax, dword [eax]
mov dword [esp + 4], eax
mov ebx, dword [eax + 0x154]
jne 0x4dddc9
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x4ddca9
mov byte [ebp], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4ddcb4
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4ddcbf
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebx + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
mov word [esp + 0x14], ax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [edi]
mov word [esp + 0x1c], ax
cmp ecx, edi
jae 0x4ddcf2
mov al, byte [esp + 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4ddd00
mov al, byte [esp + 0x15]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4ddd0e
mov al, byte [esp + 0x1c]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4ddd1c
mov al, byte [esp + 0x1d]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4ddd27
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4ddd32
mov byte [eax], 0xf0
inc dword [edi]
mov eax, dword [edi]
mov esi, dword [esp + 0x10]
mov dword [ebx + 0x1eb4], eax
sub eax, ebp
sub eax, 2
mov dword [edi], ebp
push eax
lea eax, [ebx + 0x1cb2]
push eax
push 0x3e
push esi
call fcn.004dd550
mov edi, dword [esp + 0x38]
add esp, 0x10
push 0
push 3
push ebp
push dword [edi + 0x168]
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x4ddd88
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004c5d50
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.004ddbb0
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [edi + 0x168]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4dddc6
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004c5d50
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x14
ret