joyce8/EMBER2024-capa huggingface dataset:
Function at 0x495dc0
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [0x559910]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
push dword [ebp + 0x10]
mov esi, ecx
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.0045fa60
mov ecx, dword [esi + 0x800]
test ecx, ecx
je 0x495e51
lea eax, [ebp - 0x14]
push eax
call fcn.004957b0
lea eax, [ebp - 0x14]
push eax
call dword [sym.imp.USER32.dll_IsRectEmpty]
test eax, eax
je 0x495e27
mov ecx, dword [esi + 0x800]
push 0
call fcn.00428de0
push eax
call dword [sym.imp.USER32.dll_ShowWindow]
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004d6604
mov esp, ebp
pop ebp
ret 0xc
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.00428de0
push eax
call dword [sym.imp.USER32.dll_SetWindowPos]
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.004d6604
mov esp, ebp
pop ebp
ret 0xc

Function at 0x495f60
Capabilities:
Hide graphical window

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [0x559910]
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.00462200
mov ecx, dword [esi + 0x800]
test ecx, ecx
je 0x495ff9
lea eax, [ebp - 0x14]
push eax
call fcn.004957b0
lea eax, [ebp - 0x14]
push eax
call dword [sym.imp.USER32.dll_IsRectEmpty]
test eax, eax
je 0x495fcf
mov ecx, dword [esi + 0x800]
push 0
call fcn.00428de0
push eax
call dword [sym.imp.USER32.dll_ShowWindow]
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004d6604
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.00428de0
push eax
call dword [sym.imp.USER32.dll_SetWindowPos]
mov ecx, dword [ebp - 4]
xor ecx, ebp
pop esi
call fcn.004d6604
mov esp, ebp
pop ebp
ret 0x14
Function at 0x499b30
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.00450fa0
mov edi, eax
add esp, 8
test edi, edi
jne 0x499bd4
push eax
push 0x80
push 3
push eax
push 1
push bind
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
je 0x499bc9
push edi
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 4], eax
test eax, eax
je 0x499bc9
push eax
mov dword [ebp + 8], edi
call fcn.004d502d
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 0x499bc5
push edi
call fcn.004d7181
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
test edi, edi
jne 0x499bd7
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.00499c00
push edi
mov esi, eax
call fcn.004d7181
add esp, 4
mov eax, esi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4

Function at 0x49a480
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x559910]
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 0x49a4d5
mov eax, dword [esp]
cmp al, 2
jne 0x49a4cf
shr eax, 8
cmp al, 2
jne 0x49a4cf
call fcn.0049fac0
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004d6604
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.004d6604
add esp, 0x194
ret

Function at 0x4a04e0
Capabilities:
Terminate process

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x4a04fc
cmp dword [esi + 0x6c], 0
je 0x4a04fc
push 2
push 3
push esi
call fcn.004b6200
add esp, 0xc
push dword [esp + 0xc]
call fcn.004af480
add esp, 4
test esi, esi
je 0x4a051d
cmp dword [esi + 0x6c], 0
je 0x4a051d
push 3
push esi
call fcn.004b6240
add esp, 8
pop esi
ret

Function at 0x4a0c60
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x3c0], 2
je fcn.004a0c10
mov al, 1
ret
Function at 0x4a9f00
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x108
mov eax, dword [0x559910]
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.004ac480
lea esi, [esp + 0x18]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4a9f45
sub esi, ecx
mov ecx, dword [edi + 0x140]
test ecx, ecx
je 0x4a9f79
cmp byte [edi + 0x46b0], al
jne 0x4a9f79
lea edx, [esp + 8]
mov al, byte [edx]
lea edx, [edx + 1]
mov byte [ecx], al
lea ecx, [ecx + 1]
test al, al
jne 0x4a9f64
mov byte [edi + 0x46b0], 1
cmp byte [edi + 0x370], 0
je 0x4a9fb3
mov byte [esp + esi + 8], 0xa
inc esi
cmp esi, 0x102
jae 0x4aa00b
mov eax, dword [edi + 0x1b0]
mov byte [esp + esi + 8], 0
test eax, eax
je 0x4a9fca
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.004d6604
add esp, 0x108
ret
push dword [edi + 0x138]
push 1
push 2
push 0x523f84
call fcn.004dd59e
push dword [edi + 0x138]
lea eax, [esp + 0x1c]
push 1
push esi
push eax
call fcn.004dd59e
mov ecx, dword [esp + 0x12c]
add esp, 0x20
pop edi
pop esi
xor ecx, esp
call fcn.004d6604
add esp, 0x108
ret
call fcn.004de905
int3

Function at 0x4aa020
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x808
mov eax, dword [0x559910]
xor eax, esp
mov dword [esp + 0x804], eax
push edi
mov edi, dword [esp + 0x810]
test edi, edi
je 0x4aa0e9
cmp byte [edi + 0x370], 0
je 0x4aa0e9
push esi
lea eax, [esp + 0x81c]
push eax
push dword [esp + 0x81c]
lea eax, [esp + 0x10]
push 0x801
push eax
call fcn.004ac480
lea esi, [esp + 0x18]
add esp, 0x10
lea ecx, [esi + 1]
lea ebx, [ebx]
mov al, byte [esi]
inc esi
test al, al
jne 0x4aa080
mov eax, dword [edi + 0x1b0]
sub esi, ecx
test eax, eax
je 0x4aa0be
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.004d6604
add esp, 0x808
ret
push dword [edi + 0x138]
push 1
push 2
push 0x523f84
call fcn.004dd59e
push dword [edi + 0x138]
lea eax, [esp + 0x1c]
push 1
push esi
push eax
call fcn.004dd59e
add esp, 0x20
pop esi
mov ecx, dword [esp + 0x808]
pop edi
xor ecx, esp
call fcn.004d6604
add esp, 0x808
ret
Function at 0x4aa350
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.004aa780
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 0x4aa3d6
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4aa3ae
pop edi
pop esi
mov dword [ebp], 0x51
xor eax, eax
pop ebp
pop ebx
ret
push esi
push edi
call fcn.0049ac70
push eax
push str.Send_failure:__s
push dword [edi]
call fcn.004a9f00
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 0x4aa780
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 0x4aa838
cmp dword [ebx + ecx*4 + 0x1ac], 0x4aa2b0
jne 0x4aa838
cmp dword [esi], 0
je 0x4aa7cc
test edi, edi
je 0x4aa838
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.004a9850
add esp, 0x14
cmp eax, 0xffffffff
je 0x4aa838
test al, 1
je 0x4aa838
cmp dword [esi], 0
jne 0x4aa821
mov eax, dword [ebx]
mov eax, dword [eax + 0x32c]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x559300]
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 0x4aa821
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 0x4aa838
add dword [esi + 8], eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x4aa840
Capabilities:
Write file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x1b0]
test eax, eax
je 0x4aa869
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 0x4aa8a2
push dword [esi + 0x138]
lea eax, [eax + eax*2]
push 1
add eax, 0x523f84
push 2
push eax
call fcn.004dd59e
push dword [esi + 0x138]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call fcn.004dd59e
add esp, 0x20
xor eax, eax
pop esi
ret

Function at 0x4aa980
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
cmp byte [eax + 0x1dc], 0
je 0x4aa99d
push eax
call fcn.0048d620
add esp, 4
test eax, eax
jne 0x4aa9bf
xor al, al
ret
mov eax, dword [eax + 0x198]
cmp eax, 0xffffffff
je 0x4aa99a
push 2
push 1
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jne 0x4aa9bf
xor al, al
ret
mov al, 1
ret
Function at 0x4ab2f0
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 0x4ab338
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.0049ac70
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004aa020
add esp, 0x14
pop edi
pop esi
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004aa020
add esp, 8
pop edi
pop esi
ret
Function at 0x4ab430
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x108
mov eax, dword [0x559910]
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 0x4ab62a
cmp byte [edi + 0x37e], 0
push esi
jne 0x4ab620
cmp byte [edi + 0x39a], 0
jne 0x4ab620
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 0x4ab4d5
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.0049ac70
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.004a9f00
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004d6604
add esp, 0x108
ret
push 0x80
lea eax, [esp + 0x14]
mov dword [esp + 0x10], 0x80
push 0
push eax
call fcn.004e0910
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 0x4ab53d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.0049ac70
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.004a9f00
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004d6604
add esp, 0x108
ret
lea eax, [edi + 0x138]
push eax
lea esi, [edi + 0x10a]
lea eax, [esp + 0x94]
push esi
push eax
call fcn.004abb20
add esp, 0xc
test al, al
jne 0x4ab596
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.0049ac70
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004a9f00
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004d6604
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.004abb20
add esp, 0xc
test al, al
jne 0x4ab620
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.0049ac70
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.004a9f00
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004d6604
add esp, 0x108
ret
push edi
call fcn.004ab080
add esp, 4
pop esi
mov ecx, dword [esp + 0x10c]
pop edi
pop ebx
xor ecx, esp
call fcn.004d6604
add esp, 0x108
ret
Function at 0x4abeb0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x559910]
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 0x4abf10
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004aa020
add esp, 0xc
pop edi
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004d6604
add esp, 0x18
ret
push dword [esi + 0x4c0]
mov dword [esp + 0x14], 1
call fcn.004b51f0
push dword [esi + 0x4c4]
imul eax, eax, 0x3e8
mov dword [esp + 0x10], eax
mov dword [esp + 0x1c], eax
call fcn.004b51f0
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 0x4abf87
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.004aa020
add esp, 0x10
mov ecx, dword [esp + 0x1c]
pop edi
pop esi
xor ecx, esp
call fcn.004d6604
add esp, 0x18
ret
Function at 0x4b6580
Capabilities:
Get common file path

Disassembly:
push ecx
push ebx
push edi
push 0x525d20
xor edi, edi
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov ebx, eax
test ebx, ebx
jne 0x4b659a
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 0x525d3c
push esi
call fcn.004e2e00
add esp, 8
test eax, eax
je 0x4b65e2
test ebp, ebp
je 0x4b65d3
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 0x4b6608
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4b6608
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 0x4b66bf
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b6625
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x559300]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4b66b5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4b66b5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4b6657
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 0x4b6670
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 0x4b6680
test ebp, ebp
je 0x4b66ac
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x559304]
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 [0x559304]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4b6890
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 0x4b6a22
push ebp
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x4b6a0c
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x4b68df
lea ebp, [eax + 0xe]
jmp 0x4b68eb
cmp eax, 0x17
jne 0x4b6999
lea ebp, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x4b6999
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4b6999
cmp eax, ebp
jb 0x4b6999
push 0x20
call dword [0x559300]
mov esi, eax
add esp, 4
test esi, esi
je 0x4b6a01
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 [0x559300]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4b69f0
push ebp
push dword [edi + 0x18]
push eax
call fcn.004e02c0
mov eax, dword [edi + 0x14]
add esp, 0xc
test eax, eax
je 0x4b6985
push eax
call dword [0x55930c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4b69d6
mov eax, dword [esp + 0x10]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x4b6995
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4b68d2
mov ebp, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x4b69b8
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x4b6a08
push ebx
call fcn.004b6850
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 [0x559304]
push esi
call dword [0x559304]
add esp, 8
jmp 0x4b69a8
push esi
mov ebp, 8
call dword [0x559304]
add esp, 4
jmp 0x4b69a8
mov ebp, 8
jmp 0x4b69a8
test ebx, ebx
jne 0x4b6a18
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 0x4b7190
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 0x4b71d5
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 0x4b71dc
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 0x4bab10
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x559910]
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 0x4bab4e
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.004a9f00
add esp, 0xc
jmp 0x4bab89
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x4bab7b
shr eax, 8
test al, al
jne 0x4bab7b
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004d6604
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.004a9f00
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.004d6604
add esp, 0x194
ret

Function at 0x4bb420
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 0x4bb46c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.004a9f00
add esp, 0xc
push dword [esp + 0x18]
push ebx
push 0x52749c
push dword [esi]
call fcn.004bad30
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x4bb5a0
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 0x4bb6eb
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x4bb5d7
mov byte [ebp], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4bb5e2
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4bb5ed
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 0x4bb620
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4bb62a
mov byte [eax], ch
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4bb634
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4bb63e
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4bb649
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4bb654
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.004bae40
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 0x4bb6aa
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004a9f00
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.004bb490
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 0x4bb6e8
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.004a9f00
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
pop ecx
ret