joyce8/EMBER2024-capa huggingface dataset:
Function at 0x54eee0
Capabilities:
Check os version
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x144
mov eax, dword [0x661204]
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.005b9c20
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 0x54ef52
cmp dword [ebp - 0x118], 2
jg 0x54ef52
mov eax, 1
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
xor eax, eax
xor ecx, ebp
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret

Function at 0x54f0e0
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 0x54f10c
mov ecx, dword [esi + 0xc]
test ecx, ecx
jne 0x54f0fd
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 0x54f140
cmp dword [esi + 8], 0
jne 0x54f130
push 0x5fbe7c
push dword [eax + 8]
call fcn.005c7bfc
add esp, 8
mov dword [esi + 8], eax
test eax, eax
jne 0x54f130
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.005cf5f0
mov edi, eax
add esp, 0x10
test edi, edi
jne 0x54f162
mov eax, dword [esi + 8]
test eax, eax
je 0x54f15c
push eax
call fcn.005c7536
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 0x54f450
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x661204]
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 0x54f4a0
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x54f49a
shr eax, 8
cmp al, 2
jne 0x54f49a
xor eax, eax
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
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.0054c3c9
mov esp, ebp
pop ebp
ret

Function at 0x54fbd0
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 0x54fc4e
push esi
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x54fc1e
pop esi
pop edi
mov dword [ebx], 0x51
xor eax, eax
pop ebx
pop ebp
ret
push esi
push dword [ebp + 8]
call fcn.0055dc00
push eax
mov eax, dword [ebp + 8]
push str.Send_failure:__s
push dword [eax]
call fcn.0054f8b0
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 0x54fe30
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 0x54fe59
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 0x54fe8f
push dword [esi + 0xf0]
lea eax, [eax + eax*2]
push 1
add eax, 0x5fbed4
push 2
push eax
call fcn.005c77ee
push dword [esi + 0xf0]
push 1
push dword [ebp + 0x14]
push dword [ebp + 0x10]
call fcn.005c77ee
add esp, 0x20
xor eax, eax
pop esi
pop ebp
ret

Function at 0x553050
Capabilities:
Create udp socket

Disassembly:
push ebp
mov ebp, esp
push ebx
push esi
push edi
push 0x48
push 1
call dword [0x661244]
mov esi, dword [ebp + 8]
mov edi, eax
add esp, 8
mov ebx, 8
mov dword [esi + 0x3dc], edi
test edi, edi
je 0x55312c
push dword [ebp + 0x14]
mov ecx, dword [ebp + 0x10]
lea eax, [edi + 0x10]
push ecx
push dword [ebp + 0xc]
mov dword [esi + 0x3cc], ecx
mov dword [esi + 0x3d4], 0
mov dword [esi + 0x3d8], 0
mov dword [esi + 0x3d0], 0
push eax
mov dword [edi + 4], 0xffffffff
mov dword [edi], 0
call fcn.00553160
add esp, 0x10
test eax, eax
je 0x55312c
mov eax, dword [esi + 0x3c8]
test eax, eax
je 0x5530e4
push eax
call dword [0x661238]
add esp, 4
mov dword [esi + 0x3c8], 0
push dword [ebp + 0xc]
call dword [0x661240]
add esp, 4
mov dword [esi + 0x3c8], eax
test eax, eax
je 0x55312c
push 0
push 2
push 2
call dword [sym.imp.WS2_32.dll_socket]
mov dword [edi + 4], eax
cmp eax, 0xffffffff
je 0x55312c
lea eax, [edi + 0x10]
push eax
push 0x552fc0
call fcn.00560240
add esp, 8
mov dword [edi], eax
test eax, eax
jne 0x553149
call fcn.005c0d68
mov ebx, dword [eax]
lea eax, [esi + 0x3c8]
push eax
call fcn.00552ed0
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 0x55c220
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 0x55c282
mov eax, dword [eax + 0x524]
mov eax, dword [eax]
mov eax, dword [eax + ecx*4]
test eax, eax
je 0x55c282
mov ecx, dword [ebp + 0xc]
test ecx, ecx
je 0x55c249
mov dword [ecx], eax
cmp dword [eax + 0x148], 0
push esi
mov esi, dword [eax + 0x130]
je 0x55c26c
push eax
call fcn.00555bc0
add esp, 4
test eax, eax
jne 0x55c27d
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]
jmp 0x55c262
mov eax, esi
pop esi
pop ebp
ret
or eax, 0xffffffff
pop ebp
ret
Function at 0x55c470
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x108
mov eax, dword [0x661204]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
cmp dword [edi + 0x1bc], 0
mov ebx, dword [edi]
jne 0x55c5e3
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 0x55c4ee
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.0055dc00
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.0054f8b0
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
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 0x55c541
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.0055dc00
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.0054f8b0
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
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.0055c9e0
add esp, 0xc
test eax, eax
jne 0x55c592
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.0055dc00
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.0054f8b0
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
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.0055c9e0
add esp, 0xc
test eax, eax
jne 0x55c5e3
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.0055dc00
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.0054f8b0
add esp, 0x18
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret
push edi
call fcn.0055c290
mov ecx, dword [ebp - 4]
add esp, 4
xor ecx, ebp
pop edi
pop esi
pop ebx
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret
Function at 0x55ce50
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 0x55ce9a
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.0055dc00
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.0054f950
add esp, 0x14
pop edi
pop esi
pop ebp
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.0054f950
add esp, 8
pop edi
pop esi
pop ebp
ret

Function at 0x55ed00
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.0x55ed11
jmp dword [eax*4 + 0x55ed84]
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 0x55fad0
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x230
mov eax, dword [0x661204]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [0x66d644], 0
mov dword [ebp - 0x230], str.getaddrinfo
mov dword [ebp - 0x22c], 0x55f5e0
mov dword [ebp - 0x228], str.getnameinfo
mov dword [ebp - 0x224], 0x55f880
mov dword [ebp - 0x220], str.freeaddrinfo
mov dword [ebp - 0x21c], fcn.0055f590
jne 0x55fc52
push 0x104
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x55fc48
push ebx
push esi
push edi
lea eax, [ebp - 0x218]
push eax
lea eax, [ebp - 0x110]
push 0x10c
push eax
call fcn.005d131d
push str.ws2_32
lea eax, [ebp - 0x110]
push 0x10c
push eax
call fcn.005d1377
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 0x55fba8
push str.getaddrinfo
push edi
call ebx
test eax, eax
jne 0x55fbfd
push edi
call esi
lea eax, [ebp - 0x218]
push eax
lea eax, [ebp - 0x110]
push 0x10c
push eax
call fcn.005d131d
push str.wship6
lea eax, [ebp - 0x110]
push 0x10c
push eax
call fcn.005d1377
add esp, 0x18
lea eax, [ebp - 0x110]
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov edi, eax
test edi, edi
je 0x55fc45
push str.getaddrinfo
push edi
call ebx
test eax, eax
jne 0x55fbfd
push edi
call esi
jmp 0x55fc45
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 0x55fc3e
inc esi
cmp esi, 3
jl 0x55fc00
mov eax, dword [ebp - 0x22c]
mov dword [0x66124c], eax
mov eax, dword [ebp - 0x224]
mov dword [0x661254], eax
mov eax, dword [ebp - 0x21c]
mov dword [fcn.0055f590], eax
jmp 0x55fc45
push edi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
pop edi
pop esi
pop ebx
mov dword [0x66d644], 1
movzx eax, word [ebp + 8]
mov ecx, dword [ebp - 4]
xor ecx, ebp
mov eax, dword [eax*8 + 0x66124c]
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret 4
Function at 0x55ff10
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 0x55ff9e
cmp word [ebx + 8], 2
push esi
jne 0x55ff72
cmp word [ebx + 0xa], 4
jne 0x55ff72
mov esi, dword [ebx + 0xc]
mov eax, dword [esi]
test eax, eax
je 0x55ff72
nop dword [eax + eax]
push dword [eax]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
call fcn.0055fe30
mov dword [edi], eax
test eax, eax
je 0x55ff92
add esi, 4
lea edi, [eax + 0x1c]
mov eax, dword [esi]
test eax, eax
jne 0x55ff50
push 0x400
push dword [ebx]
push 0x401
push dword [ebp + 0x18]
call fcn.005cb409
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.0x55ffae.11001
jmp dword [eax*4 + 0x55ffd8]
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 0x560240
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.005cb1fc
add esp, 0x18
test eax, eax
je 0x560262
cmp eax, 0xffffffff
jne 0x560264
xor eax, eax
pop ebp
ret
Function at 0x56c060
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
mov eax, dword [0x661204]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov esi, dword [eax]
or ebx, 0xffffffff
mov edi, dword [eax + 0x134]
push 1
push 0
push esi
mov dword [ebp - 0x1c], eax
mov dword [ebp - 0x18], 0x10
call fcn.0055c3b0
mov ecx, eax
add esp, 0xc
test ecx, ecx
js 0x56c0d5
nop
mov eax, 0x3e8
cmp ecx, eax
cmovl eax, ecx
push eax
push 0xffffffffffffffff
push edi
call fcn.005678b0
add esp, 0xc
cmp eax, 0xffffffff
je 0x56c189
test eax, eax
jne 0x56c0f9
push 1
push eax
push esi
call fcn.0055c3b0
mov ecx, eax
add esp, 0xc
test ecx, ecx
jns 0x56c0a0
push str.Timeout_while_waiting_for_server_connect
push esi
call fcn.0054f8b0
add esp, 8
mov eax, 0x1c
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x14]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x56c124
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], 0x10
push eax
lea eax, [ebp - 0x14]
push eax
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov ebx, eax
push edi
mov edi, dword [ebp - 0x1c]
push edi
call fcn.0055c0a0
add esp, 8
cmp ebx, 0xffffffff
jne 0x56c15a
push str.Error_accept__ing_server_connect
push esi
call fcn.0054f8b0
add esp, 8
mov eax, 0x1e
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret
push str.Connection_accepted_from_server_n
push esi
call fcn.0054f950
push 1
push ebx
mov dword [edi + 0x134], ebx
call fcn.00576a70
add esp, 0x10
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret
push str.Error_while_waiting_for_server_connect
push esi
call fcn.0054f8b0
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x1e
pop edi
pop esi
pop ebx
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret

Function at 0x56e460
Capabilities:
Check http status code

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 0xc]
push esi
push edi
mov edi, dword [ebp + 8]
xor esi, esi
lea eax, [ecx - 0xc8]
mov edx, dword [edi]
cmp eax, 0x64
jb 0x56e48f
push str.Couldnt_set_desired_mode
push edx
call fcn.0054f8b0
add esp, 8
lea eax, [esi + 0x11]
pop edi
pop esi
pop ebp
ret
cmp ecx, 0xc8
je 0x56e4a6
push ecx
push str.Got_a__03d_response_code_instead_of_the_assumed_200_n
push edx
call fcn.0054f950
add esp, 0xc
mov eax, dword [ebp + 0x10]
cmp eax, 0x13
jne 0x56e4bd
push edi
call fcn.0056dfa0
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x14
jne 0x56e4d1
push edi
call fcn.0056da90
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x15
jne 0x56e4e5
push edi
call fcn.0056df00
add esp, 4
mov esi, eax
pop edi
pop esi
pop ebp
ret
cmp eax, 0x16
jne 0x56e4f5
push edi
call fcn.0056df80
mov esi, eax
add esp, 4
pop edi
mov eax, esi
pop esi
pop ebp
ret
Function at 0x572140
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x194
mov eax, dword [0x661204]
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 0x57218d
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.0054f8b0
add esp, 0xc
mov eax, 2
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [ebp - 0x194]
cmp al, 2
jne 0x5721b5
shr eax, 8
test al, al
jne 0x5721b5
xor eax, eax
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.0054f8b0
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 2
pop esi
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret

Function at 0x572930
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 0x572978
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.0054f8b0
add esp, 0xc
push dword [ebp + 0x10]
push ebx
push str.SENT
push dword [esi]
call fcn.005722b0
add esp, 0x10
pop edi
pop esi
pop ebx
pop ebp
ret
Function at 0x572ba0
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x90c
mov eax, dword [0x661204]
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.005723b0
mov eax, dword [esi + 0x1aac]
add esp, 0x10
movzx ecx, byte [eax]
inc eax
mov dword [esi + 0x1aac], eax
cmp ecx, 0x18
je 0x572d58
cmp ecx, 0x23
je 0x572d34
cmp ecx, 0x27
jne 0x572de6
push 0
push ecx
push 0xfa
push 0xff
push str._c_c_c_c
lea eax, [ebp - 0x904]
push 0x800
push eax
call fcn.00550010
mov esi, dword [esi + 0x18a8]
add esp, 0x1c
mov edi, 4
mov eax, 0x800
test esi, esi
je 0x572cd3
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 0x572c60
sub ecx, ebx
lea ebx, [edi + 1]
add ebx, ecx
cmp ebx, 0x7fa
jae 0x572cc1
lea eax, [ebp - 0x84]
push eax
lea eax, [ebp - 0x104]
push eax
push str._127_____127s
push edx
call fcn.004a3050
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.00550010
add esp, 0x2c
mov edi, ebx
mov esi, dword [esi + 4]
test esi, esi
jne 0x572c54
mov ebx, dword [ebp - 0x908]
mov eax, 0x800
push 0xf0
push 0xff
sub eax, edi
push 0x601af8
push eax
lea eax, [ebp - 0x904]
add eax, edi
push eax
call fcn.00550010
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 0x572d2e
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.0054f8b0
add esp, 0xc
push edi
jmp 0x572dd4
lea edx, [esi + 0x1828]
mov ecx, edx
lea esi, [ecx + 1]
nop
mov al, byte [ecx]
inc ecx
test al, al
jne 0x572d40
push 0xf0
push 0xff
push edx
push 0
push 0x23
jmp 0x572d79
lea edx, [esi + 0x1808]
mov ecx, edx
lea esi, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x572d63
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.00550010
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 0x572dd0
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push ebx
call fcn.0054f8b0
add esp, 0xc
lea eax, [esi - 2]
push eax
lea eax, [ebp - 0x902]
push eax
push 0x3e
push ebx
call fcn.005723b0
add esp, 0x10
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret
Function at 0x573ce0
Capabilities:
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x8c
mov eax, dword [0x661204]
xor eax, ebp
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
push ebx
push esi
push edi
mov esi, dword [eax + 0x3f0]
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 0x573d73
push dword [ebp - 0x88]
lea eax, [ebp - 0x84]
push eax
lea eax, [esi + 0xc8]
push eax
call fcn.005b96a0
mov eax, dword [ebp - 0x88]
add esp, 0xc
mov dword [esi + 0x148], eax
mov edx, dword [esi + 0x14c]
cmp edx, 4
jge 0x573da6
push str.Received_too_short_packet
push edi
call fcn.0054f8b0
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.0054c3c9
mov esp, ebp
pop ebp
ret
push ebx
call fcn.00573600
movzx eax, ax
add esp, 4
mov dword [esi + 0xc], eax
add eax, 0xfffffffd
cmp eax, 3
ja case.default.0x573dc1
jmp dword [eax*4 + 0x573ed8]
cmp edx, 4
jle case.0x573dc1.4
push ebx
call fcn.005735e0
movzx ecx, word [esi + 0x40]
add esp, 4
inc ecx
cmp cx, ax
jne case.0x573dc1.4
lea eax, [edx - 4]
push eax
mov eax, dword [ebx]
add eax, 4
push eax
push 1
push dword [ebp - 0x8c]
call fcn.0054f670
mov ebx, eax
add esp, 0x10
test ebx, ebx
je 0x573e26
push 5
push esi
call fcn.005745d0
add esp, 8
mov eax, ebx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
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.00566810
jmp 0x573e9e
push ebx
call fcn.005735e0
movzx eax, ax
mov dword [esi + 8], eax
mov eax, dword [ebx]
add eax, 4
push eax
push 0x5fc1dc
push edi
call fcn.0054f950
add esp, 0x10
jmp case.0x573dc1.4
lea eax, [edx - 2]
push eax
mov eax, dword [ebx]
add eax, 2
push eax
push esi
call fcn.00573a60
add esp, 0xc
test eax, eax
je case.0x573dc1.4
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret
push str.Internal_error:_Unexpected_packet
push 0x5ed04c
push edi
call fcn.0054f8b0
add esp, 0xc
push dword [ebp - 0x8c]
call fcn.00566a40
add esp, 4
test eax, eax
je 0x573d93
push 5
push esi
call fcn.005745d0
mov ecx, dword [ebp - 4]
add esp, 8
xor ecx, ebp
mov eax, 0x2a
pop edi
pop esi
pop ebx
call fcn.0054c3c9
mov esp, ebp
pop ebp
ret