joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4a0c00
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [0x56b910]
xor eax, ebp
mov dword [ebp - 4], eax
movdqu xmm0, xmmword [ebp + 8]
push esi
push dword [ebp + 0x18]
mov esi, ecx
sub esp, 0x10
mov eax, esp
movdqu xmmword [eax], xmm0
call fcn.0046f4d0
mov ecx, dword [esi + 0x800]
test ecx, ecx
je 0x4a0c99
lea eax, [ebp - 0x14]
push eax
call fcn.004a0470
lea eax, [ebp - 0x14]
push eax
call dword [sym.imp.USER32.dll_IsRectEmpty]
test eax, eax
je 0x4a0c6f
mov ecx, dword [esi + 0x800]
push 0
call fcn.0046fd50
push eax
call dword [sym.imp.USER32.dll_ShowWindow]
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004e16a2
mov esp, ebp
pop ebp
ret 0x14
mov eax, dword [ebp - 8]
mov edx, dword [ebp - 0x10]
sub eax, edx
mov ecx, dword [ebp - 0x14]
push 0x54
push eax
mov eax, dword [ebp - 0xc]
sub eax, ecx
push eax
push edx
push ecx
mov ecx, dword [esi + 0x800]
push 0
call fcn.0046fd50
push eax
call dword [sym.imp.USER32.dll_SetWindowPos]
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.004e16a2
mov esp, ebp
pop ebp
ret 0x14

Function at 0x4a47d0
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, dword [ebp + 8]
lea eax, [ebp - 4]
push edi
push eax
push esi
mov ebx, ecx
mov dword [ebp - 4], 0
call fcn.0045a8d0
mov edi, eax
add esp, 8
test edi, edi
jne 0x4a4874
push eax
push 0x80
push 3
push eax
push 1
push closesocket
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
je 0x4a4869
push edi
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 4], eax
test eax, eax
je 0x4a4869
push eax
mov dword [ebp + 8], edi
call fcn.004e1071
add esp, 4
mov edi, eax
lea eax, [ebp + 8]
push 0
push eax
push dword [ebp - 4]
push edi
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 4]
cmp dword [ebp + 8], eax
je 0x4a4865
push edi
call fcn.004e3a73
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
test edi, edi
jne 0x4a4877
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 4
mov eax, dword [ebp - 4]
push eax
push edi
mov ecx, ebx
call fcn.004a48a0
push edi
mov esi, eax
call fcn.004e3a73
add esp, 4
mov eax, esi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x4a5230
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x56b910]
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 0x4a5285
mov eax, dword [esp]
cmp al, 2
jne 0x4a527f
shr eax, 8
cmp al, 2
jne 0x4a527f
call fcn.004aa8b0
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004e16a2
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.004e16a2
add esp, 0x194
ret
Function at 0x4ab2f0
Capabilities:
Terminate process

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x4ab30c
cmp dword [esi + 0x6c], 0
je 0x4ab30c
push 2
push 3
push esi
call fcn.004c1030
add esp, 0xc
push dword [esp + 0xc]
call fcn.004ba2c0
add esp, 4
test esi, esi
je 0x4ab32d
cmp dword [esi + 0x6c], 0
je 0x4ab32d
push 3
push esi
call fcn.004c1070
add esp, 8
pop esi
ret

Function at 0x4aba70
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x3c0], 2
je fcn.004aba20
mov al, 1
ret
Function at 0x4b4d40
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x108
mov eax, dword [0x56b910]
xor eax, esp
mov dword [esp + 0x104], eax
push esi
push edi
mov edi, dword [esp + 0x114]
lea eax, [esp + 0x11c]
push eax
push dword [esp + 0x11c]
lea eax, [esp + 0x10]
push 0x100
push eax
call fcn.004b72c0
lea esi, [esp + 0x18]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4b4d85
sub esi, ecx
mov ecx, dword [edi + 0x140]
test ecx, ecx
je 0x4b4db9
cmp byte [edi + 0x46b0], al
jne 0x4b4db9
lea edx, [esp + 8]
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x4b4da4
mov byte [edi + 0x46b0], 1
cmp byte [edi + 0x370], 0
je 0x4b4df3
mov byte [esp + esi + 8], 0xa
inc esi
cmp esi, 0x102
jae 0x4b4e4b
mov eax, dword [edi + 0x1b0]
mov byte [esp + esi + 8], 0
test eax, eax
je 0x4b4e0a
push dword [edi + 0x13c]
lea ecx, [esp + 0xc]
push esi
push ecx
push 0
push edi
call eax
add esp, 0x14
pop edi
pop esi
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004e16a2
add esp, 0x108
ret
push dword [edi + 0x138]
push 1
push 2
push 0x53213c
call fcn.004e2ff7
push dword [edi + 0x138]
lea eax, [esp + 0x1c]
push 1
push esi
push eax
call fcn.004e2ff7
mov ecx, dword [esp + 0x12c]
add esp, 0x20
pop edi
pop esi
xor ecx, esp
call fcn.004e16a2
add esp, 0x108
ret
call fcn.004ea33b
int3

Function at 0x4b4e60
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x808
mov eax, dword [0x56b910]
xor eax, esp
mov dword [esp + 0x804], eax
push edi
mov edi, dword [esp + 0x810]
test edi, edi
je 0x4b4f29
cmp byte [edi + 0x370], 0
je 0x4b4f29
push esi
lea eax, [esp + 0x81c]
push eax
push dword [esp + 0x81c]
lea eax, [esp + 0x10]
push 0x801
push eax
call fcn.004b72c0
lea esi, [esp + 0x18]
add esp, 0x10
lea ecx, [esi + 1]
lea ebx, [ebx]
mov al, byte [esi]
inc esi
test al, al
jne 0x4b4ec0
mov eax, dword [edi + 0x1b0]
sub esi, ecx
test eax, eax
je 0x4b4efe
push dword [edi + 0x13c]
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.004e16a2
add esp, 0x808
ret
push dword [edi + 0x138]
push 1
push 2
push 0x53213c
call fcn.004e2ff7
push dword [edi + 0x138]
lea eax, [esp + 0x1c]
push 1
push esi
push eax
call fcn.004e2ff7
add esp, 0x20
pop esi
mov ecx, dword [esp + 0x808]
pop edi
xor ecx, esp
call fcn.004e16a2
add esp, 0x808
ret
Function at 0x4b5190
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 + 0x198]
call fcn.004b55c0
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 0x4b5216
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4b51ee
pop edi
pop esi
mov dword [ebp], 0x51
xor eax, eax
pop ebp
pop ebx
ret
push esi
push edi
call fcn.004a5a20
push eax
push str.Send_failure:__s
push dword [edi]
call fcn.004b4d40
mov eax, dword [edi]
add esp, 0x14
mov dword [eax + 0x46b4], esi
mov eax, ebx
mov dword [ebp], 0x37
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4b55c0
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 + 0x198]
lea esi, [ebx + 0x1bc]
add esi, eax
mov eax, dword [ebx + 0x3b8]
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x3c], 3
je 0x4b5678
cmp dword [ebx + ecx*4 + 0x1ac], 0x4b50f0
jne 0x4b5678
cmp dword [esi], 0
je 0x4b560c
test edi, edi
je 0x4b5678
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.004b4690
add esp, 0x14
cmp eax, 0xffffffff
je 0x4b5678
test al, 1
je 0x4b5678
cmp dword [esi], 0
jne 0x4b5661
mov eax, dword [ebx]
mov eax, dword [eax + 0x32c]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x56b300]
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 0x4b5661
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 0x4b5678
add dword [esi + 8], eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4b5680
Capabilities:
Write file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x1b0]
test eax, eax
je 0x4b56a9
push dword [esi + 0x13c]
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 0x4b56e2
push dword [esi + 0x138]
lea eax, [eax + eax*2]
push 1
add eax, 0x53213c
push 2
push eax
call fcn.004e2ff7
push dword [esi + 0x138]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call fcn.004e2ff7
add esp, 0x20
xor eax, eax
pop esi
ret

Function at 0x4b57c0
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
cmp byte [eax + 0x1dc], 0
je 0x4b57dd
push eax
call fcn.0041f140
add esp, 4
test eax, eax
jne 0x4b57ff
xor al, al
ret
mov eax, dword [eax + 0x198]
cmp eax, 0xffffffff
je 0x4b57da
push 2
push 1
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jne 0x4b57ff
xor al, al
ret
mov al, 1
ret
Function at 0x4b6130
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 0x4b6178
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.004a5a20
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004b4e60
add esp, 0x14
pop edi
pop esi
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004b4e60
add esp, 8
pop edi
pop esi
ret
Function at 0x4b6270
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x108
mov eax, dword [0x56b910]
xor eax, esp
mov dword [esp + 0x104], eax
push ebx
push edi
mov edi, dword [esp + 0x114]
cmp dword [edi + 0x94], 2
mov ebx, dword [edi]
je 0x4b646a
cmp byte [edi + 0x37e], 0
push esi
jne 0x4b6460
cmp byte [edi + 0x39a], 0
jne 0x4b6460
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 0x4b6315
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004a5a20
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004b4d40
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004e16a2
add esp, 0x108
ret
push 0x80
lea eax, [esp + 0x14]
mov dword [esp + 0x10], 0x80
push 0
push eax
call fcn.004ec5d0
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 0x4b637d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.004a5a20
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004b4d40
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004e16a2
add esp, 0x108
ret
lea eax, [edi + 0x138]
push eax
lea esi, [edi + 0x10a]
lea eax, [esp + 0x94]
push esi
push eax
call fcn.004b6960
add esp, 0xc
test al, al
jne 0x4b63d6
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004a5a20
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004b4d40
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004e16a2
add esp, 0x108
ret
movdqu xmm0, xmmword [esi]
mov eax, dword [esi + 0x28]
movdqu xmmword [edi + 0x60], xmm0
movdqu xmm0, xmmword [esi + 0x10]
movdqu xmmword [edi + 0x70], xmm0
movq xmm0, qword [esi + 0x20]
movq qword [edi + 0x80], xmm0
mov dword [edi + 0x88], eax
mov ax, word [esi + 0x2c]
mov word [edi + 0x8c], ax
lea eax, [edi + 0x16c]
push eax
lea eax, [edi + 0x13c]
push eax
lea eax, [esp + 0x18]
push eax
call fcn.004b6960
add esp, 0xc
test al, al
jne 0x4b6460
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.004a5a20
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004b4d40
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004e16a2
add esp, 0x108
ret
push edi
call fcn.004b5ec0
add esp, 4
pop esi
mov ecx, dword [esp + 0x10c]
pop edi
pop ebx
xor ecx, esp
call fcn.004e16a2
add esp, 0x108
ret
Function at 0x4b6cf0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x56b910]
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 + 0x4bc], 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 0x4b6d50
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004b4e60
add esp, 0xc
pop edi
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004e16a2
add esp, 0x18
ret
push dword [esi + 0x4c0]
mov dword [esp + 0x14], 1
call fcn.004c0040
push dword [esi + 0x4c4]
imul eax, eax, 0x3e8
mov dword [esp + 0x10], eax
mov dword [esp + 0x1c], eax
call fcn.004c0040
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 0x4b6dc7
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.004b4e60
add esp, 0x10
mov ecx, dword [esp + 0x1c]
pop edi
pop esi
xor ecx, esp
call fcn.004e16a2
add esp, 0x18
ret
Function at 0x4c13b0
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push 0x533ed8
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x4c13ca
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 0x533ef4
push esi
call fcn.004eeac0
add esp, 8
test eax, eax
je 0x4c1412
test ebp, ebp
je 0x4c1403
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 0x4c1438
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4c1438
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 0x4c14ef
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c1455
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x56b300]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4c14e5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4c14e5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c1487
sub ecx, edx
mov eax, 0x5c
mov word [ecx + ebx], ax
mov ecx, ebx
lea edx, [ecx + 1]
mov edi, edi
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c14a0
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 0x4c14b0
test ebp, ebp
je 0x4c14dc
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x56b304]
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 [0x56b304]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4c16c0
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
push ebx
xor ebx, ebx
mov dword [esp + 4], ebx
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 0x4c1852
push ebp
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x4c183c
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x4c170f
lea ebp, [eax + 0xe]
jmp 0x4c171b
cmp eax, 0x17
jne 0x4c17c9
lea ebp, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x4c17c9
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4c17c9
cmp eax, ebp
jb 0x4c17c9
push 0x20
call dword [0x56b300]
mov esi, eax
add esp, 4
test esi, esi
je 0x4c1831
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 ebp
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], ebp
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [0x56b300]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4c1820
push ebp
push dword [edi + 0x18]
push eax
call fcn.004ebf80
mov eax, dword [edi + 0x14]
add esp, 0xc
test eax, eax
je 0x4c17b5
push eax
call dword [0x56b30c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4c1806
mov eax, dword [esp + 0x10]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x4c17c5
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4c1702
mov ebp, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x4c17e8
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x4c1838
push ebx
call fcn.004c1680
mov eax, dword [esp + 0x2c]
add esp, 4
xor ebx, ebx
mov dword [eax], ebx
mov eax, ebp
pop edi
pop ebp
pop ebx
add esp, 0xc
ret
push dword [esi + 0x18]
mov ebp, 8
call dword [0x56b304]
push esi
call dword [0x56b304]
add esp, 8
jmp 0x4c17d8
push esi
mov ebp, 8
call dword [0x56b304]
add esp, 4
jmp 0x4c17d8
mov ebp, 8
jmp 0x4c17d8
test ebx, ebx
jne 0x4c1848
mov ebp, 0x2af9
push ebp
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
pop edi
mov dword [eax], ebx
mov eax, ebp
pop ebp
pop ebx
add esp, 0xc
ret

Function at 0x4c1fd0
Capabilities:
Generate random numbers via winapi

Disassembly:
push ecx
push 0xf0000040
push 1
push 0
push 0
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x4c2015
push dword [esp + 8]
push dword [esp + 0x10]
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptGenRandom]
push 0
push dword [esp + 4]
test eax, eax
jne 0x4c201c
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov eax, 2
pop ecx
ret
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor eax, eax
pop ecx
ret
Function at 0x4c5930
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x56b910]
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 0x4c596e
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004b4d40
add esp, 0xc
jmp 0x4c59a9
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4c599b
shr eax, 8
test al, al
jne 0x4c599b
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004e16a2
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004b4d40
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.004e16a2
add esp, 0x194
ret

Function at 0x4c6240
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 + 0x198]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c628c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004b4d40
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.004c5b50
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x4c63c0
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
cmp dword [esp + 0xc], 0x1f
mov eax, dword [esp + 8]
push ebx
mov eax, dword [eax]
mov dword [esp + 4], eax
mov ebx, dword [eax + 0x130]
jne 0x4c650b
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x4c63f7
mov byte [ebp], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c6402
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c640d
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
movzx eax, ax
mov dword [esp + 0x1c], eax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov ecx, dword [esp + 0x1c]
movzx edx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x4c6440
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c644a
mov byte [eax], ch
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c6454
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c645e
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c6469
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4c6474
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.004c5c60
mov edi, dword [esp + 0x28]
add esp, 0x10
push 0
push 3
push ebp
push dword [edi + 0x198]
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x4c64ca
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004b4d40
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.004c62b0
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [edi + 0x198]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4c6508
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004b4d40
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
pop ecx
ret