joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4070da
Capabilities:
Create thread
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x44
mov eax, dword [0x473060]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x3c], 0x99839981
push 0xa
pop eax
mov dword [ebp - 0x38], 0x92928595
mov edi, ecx
mov word [ebp - 0x34], 0xde8e
lea edx, [ebp - 0x2c]
mov byte [ebp - 0x32], bl
mov esi, ebx
mov dword [ebp - 0x30], eax
mov dword [ebp - 0x2c], ebx
mov dword [ebp - 0x28], 1
mov dword [ebp - 0x24], 2
mov dword [ebp - 0x20], 3
mov dword [ebp - 0x1c], 4
mov dword [ebp - 0x18], 5
mov dword [ebp - 0x14], 6
mov dword [ebp - 0x10], 7
mov dword [ebp - 0xc], 8
mov dword [ebp - 8], 9
test eax, eax
je 0x40716b
mov ecx, dword [edx]
lea edx, [edx + 4]
lea eax, [ecx - 0x2b]
xor byte [ebp + ecx - 0x3c], al
inc esi
cmp esi, 0xa
jne 0x407159
lea eax, [ebp - 0x3c]
mov byte [ebp - 0x32], 1
push eax
mov ecx, 0x473de8
call fcn.00402456
cmp eax, 1
jne 0x407189
xor al, al
jmp 0x40723c
push 0xa
pop eax
mov dword [ebp - 0x3c], 0x99839981
lea edx, [ebp - 0x2c]
mov dword [ebp - 0x38], 0x92928595
mov esi, ebx
mov word [ebp - 0x34], 0xde8e
mov byte [ebp - 0x32], bl
mov dword [ebp - 0x30], eax
mov dword [ebp - 0x2c], ebx
mov dword [ebp - 0x28], 1
mov dword [ebp - 0x24], 2
mov dword [ebp - 0x20], 3
mov dword [ebp - 0x1c], 4
mov dword [ebp - 0x18], 5
mov dword [ebp - 0x14], 6
mov dword [ebp - 0x10], 7
mov dword [ebp - 0xc], 8
mov dword [ebp - 8], 9
test eax, eax
je 0x407206
push eax
pop ebx
mov ecx, dword [edx]
lea edx, [edx + 4]
lea eax, [ecx - 0x2b]
xor byte [ebp + ecx - 0x3c], al
inc esi
cmp esi, ebx
jne 0x4071f3
xor ebx, ebx
lea eax, [ebp - 0x3c]
mov byte [ebp - 0x32], 1
push eax
mov ecx, 0x473de8
call fcn.00402456
cmp eax, 2
je 0x407182
push ebx
push ebx
lea ecx, [ebp - 0x40]
mov dword [ebp - 0x40], ebx
push ecx
push 0x405175
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_CreateThread]
mov dword [edi + 8], eax
mov al, 1
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004428c2
mov esp, ebp
pop ebp
ret

Function at 0x4076a0
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x473060]
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 0x4076f5
mov eax, dword [esp]
cmp al, 2
jne 0x4076ef
shr eax, 8
cmp al, 2
jne 0x4076ef
call fcn.0040c010
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004428c2
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.004428c2
add esp, 0x194
ret

Function at 0x40ca20
Capabilities:
Terminate process

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x40ca3c
cmp dword [esi + 0x48], 0
je 0x40ca3c
push 2
push 3
push esi
call fcn.00421960
add esp, 0xc
push dword [esp + 0xc]
call fcn.0041abd0
add esp, 4
test esi, esi
je 0x40ca5d
cmp dword [esi + 0x48], 0
je 0x40ca5d
push 3
push esi
call fcn.004219a0
add esp, 8
pop esi
ret

Function at 0x40d1a0
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x3a8], 2
je fcn.0040d150
mov al, 1
ret
Function at 0x416ad0
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
lea eax, [esp + 0x10]
push eax
push dword [esp + 0x10]
push 0x4000
push dword [edi + 0x63c]
call fcn.00421f60
mov eax, dword [edi + 0x120]
add esp, 0x10
test eax, eax
je 0x416b24
cmp byte [edi + 0x4690], 0
jne 0x416b24
push dword [edi + 0x63c]
push 0x470ca0
push 0x100
push eax
call fcn.00421e70
add esp, 0x10
mov byte [edi + 0x4690], 1
cmp byte [edi + 0x350], 0
je 0x416bad
mov ecx, dword [edi + 0x63c]
push esi
mov esi, ecx
lea edx, [esi + 1]
nop dword [eax]
mov al, byte [esi]
inc esi
test al, al
jne 0x416b40
sub esi, edx
cmp esi, 0x3fff
jae 0x416b60
mov byte [ecx + esi], 0xa
inc esi
mov eax, dword [edi + 0x63c]
mov byte [esi + eax], 0
mov eax, dword [edi + 0x190]
push ebx
mov ebx, dword [edi + 0x63c]
test eax, eax
je 0x416b85
push dword [edi + 0x11c]
push esi
push ebx
push 0
push edi
call eax
add esp, 0x14
pop ebx
pop esi
pop edi
ret
push dword [edi + 0x118]
push 1
push 2
push 0x461520
call fcn.0044d0de
push dword [edi + 0x118]
push 1
push esi
push ebx
call fcn.0044d0de
add esp, 0x20
pop ebx
pop esi
pop edi
ret

Function at 0x416bb0
Capabilities:
Write file on windows

Disassembly:
sub esp, 0x808
mov eax, dword [0x473060]
xor eax, esp
mov dword [esp + 0x804], eax
push edi
mov edi, dword [esp + 0x810]
test edi, edi
je 0x416c79
cmp byte [edi + 0x350], 0
je 0x416c79
push esi
lea eax, [esp + 0x81c]
push eax
push dword [esp + 0x81c]
lea eax, [esp + 0x10]
push 0x801
push eax
call fcn.00421f60
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 0x416c10
mov eax, dword [edi + 0x190]
sub esi, ecx
test eax, eax
je 0x416c4e
push dword [edi + 0x11c]
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.004428c2
add esp, 0x808
ret
push dword [edi + 0x118]
push 1
push 2
push 0x461520
call fcn.0044d0de
push dword [edi + 0x118]
lea eax, [esp + 0x1c]
push 1
push esi
push eax
call fcn.0044d0de
add esp, 0x20
pop esi
mov ecx, dword [esp + 0x808]
pop edi
xor ecx, esp
call fcn.004428c2
add esp, 0x808
ret

Function at 0x416ee0
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 + 0x190]
call fcn.00417310
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 0x416f66
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x416f3e
pop edi
pop esi
mov dword [ebp], 0x51
xor eax, eax
pop ebp
pop ebx
ret
push esi
push edi
call fcn.00423f90
push eax
push str.Send_failure:__s
push dword [edi]
call fcn.00416ad0
mov eax, dword [edi]
add esp, 0x14
mov dword [eax + 0x4694], esi
mov eax, ebx
mov dword [ebp], 0x37
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x417310
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 + 0x1b4]
mov ebx, dword [ecx + edx*4 + 0x190]
add esi, eax
mov eax, dword [ecx + 0x3a0]
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x3c], 3
je 0x4173c0
cmp dword [ecx + edx*4 + 0x1a4], 0x416e40
jne 0x4173c0
cmp dword [esi], 0
je 0x417357
test edi, edi
je 0x4173c0
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebx
call fcn.00416420
add esp, 0x14
cmp eax, 0xffffffff
je 0x4173c0
test al, 1
je 0x4173c0
cmp dword [esi], 0
jne 0x4173a9
push 0x8000
mov dword [esi + 4], 0x8000
call dword [section..data]
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 0x4173a9
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 0x4173c0
add dword [esi + 8], eax
pop edi
pop esi
pop ebx
ret

Function at 0x4173d0
Capabilities:
Write file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x190]
test eax, eax
je 0x4173f9
push dword [esi + 0x11c]
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 0x417432
push dword [esi + 0x118]
lea eax, [eax + eax*2]
push 1
add eax, 0x461520
push 2
push eax
call fcn.0044d0de
push dword [esi + 0x118]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call fcn.0044d0de
add esp, 0x20
xor eax, eax
pop esi
ret

Function at 0x417500
Capabilities:
Receive data
Receive data on socket

Disassembly:
mov eax, dword [esp + 4]
cmp byte [eax + 0x1d4], 0
je 0x41751d
push eax
call fcn.0040d590
add esp, 4
test eax, eax
jne 0x41753f
xor al, al
ret
mov eax, dword [eax + 0x190]
cmp eax, 0xffffffff
je 0x41751a
push 2
push 1
lea ecx, [esp + 0xc]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jne 0x41753f
xor al, al
ret
mov al, 1
ret

Function at 0x417ed0
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 0x417f18
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push edi
call fcn.00423f90
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00416bb0
add esp, 0x14
pop edi
pop esi
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.00416bb0
add esp, 8
pop edi
pop esi
ret
Function at 0x418020
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x108
mov eax, dword [0x473060]
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 0x418213
cmp byte [edi + 0x366], 0
push esi
jne 0x418209
cmp byte [edi + 0x382], 0
jne 0x418209
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 0x4180c5
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.00423f90
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebx
call fcn.00416ad0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004428c2
add esp, 0x108
ret
push 0x80
lea eax, [esp + 0x14]
mov dword [esp + 0x10], 0x80
push 0
push eax
call fcn.004453d0
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 0x41812d
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
push esi
push edi
call fcn.00423f90
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebx
call fcn.00416ad0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004428c2
add esp, 0x108
ret
lea eax, [edi + 0x130]
push eax
lea esi, [edi + 0x102]
lea eax, [esp + 0x94]
push esi
push eax
call fcn.00418720
add esp, 0xc
test al, al
jne 0x418186
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.00423f90
push eax
push esi
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.00416ad0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004428c2
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 + 0x164]
push eax
lea eax, [edi + 0x134]
push eax
lea eax, [esp + 0x18]
push eax
call fcn.00418720
add esp, 0xc
test al, al
jne 0x418209
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
push edi
call fcn.00423f90
push eax
push esi
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebx
call fcn.00416ad0
add esp, 0x18
pop esi
pop edi
pop ebx
mov ecx, dword [esp + 0x104]
xor ecx, esp
call fcn.004428c2
add esp, 0x108
ret
push edi
call fcn.00417c60
add esp, 4
pop esi
mov ecx, dword [esp + 0x10c]
pop edi
pop ebx
xor ecx, esp
call fcn.004428c2
add esp, 0x108
ret
Function at 0x418aa0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x18
mov eax, dword [0x473060]
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 + 0x49c], 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 0x418b00
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00416bb0
add esp, 0xc
pop edi
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.004428c2
add esp, 0x18
ret
push dword [esi + 0x4a0]
mov dword [esp + 0x14], 1
call fcn.00420990
push dword [esi + 0x4a4]
imul eax, eax, 0x3e8
mov dword [esp + 0x10], eax
mov dword [esp + 0x1c], eax
call fcn.00420990
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 0x418b77
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.00416bb0
add esp, 0x10
mov ecx, dword [esp + 0x1c]
pop edi
pop esi
xor ecx, esp
call fcn.004428c2
add esp, 0x18
ret
Function at 0x423160
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 0x42317a
pop edi
pop ebx
pop ecx
ret
push ebp
push esi
push 0x463300
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, dword [esp + 0x18]
mov ebp, eax
push 0x463310
push esi
call fcn.00450120
add esp, 8
test eax, eax
je 0x4231c2
test ebp, ebp
je 0x4231b3
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 0x4231e8
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4231e8
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 0x42329f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x423205
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [section..data]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x423295
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x423295
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x423237
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 0x423250
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 0x423260
test ebp, ebp
je 0x42328c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x473004]
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 [0x473004]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x423450
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 0x4235e2
push ebp
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x4235cc
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x42349f
lea ebp, [eax + 0xe]
jmp 0x4234ab
cmp eax, 0x17
jne 0x423559
lea ebp, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x423559
mov eax, dword [edi + 0x10]
test eax, eax
je 0x423559
cmp eax, ebp
jb 0x423559
push 0x20
call dword [section..data]
mov esi, eax
add esp, 4
test esi, esi
je 0x4235c1
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 [section..data]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4235b0
push ebp
push dword [edi + 0x18]
push eax
call fcn.00445530
mov eax, dword [edi + 0x14]
add esp, 0xc
test eax, eax
je 0x423545
push eax
call dword [0x47300c]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x423596
mov eax, dword [esp + 0x10]
test ebx, ebx
cmove ebx, esi
test eax, eax
je 0x423555
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x423492
mov ebp, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x423578
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebp, ebp
je 0x4235c8
push ebx
call fcn.00423410
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 [0x473004]
push esi
call dword [0x473004]
add esp, 8
jmp 0x423568
push esi
mov ebp, 8
call dword [0x473004]
add esp, 4
jmp 0x423568
mov ebp, 8
jmp 0x423568
test ebx, ebx
jne 0x4235d8
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 0x424bc0
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 0x424c05
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 0x424c0c
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 0x42e020
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x473060]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
push esi
mov esi, dword [esp + 0x98]
lea eax, [esp + 0xc]
push edi
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x80
mov ebp, dword [esi + 0x194]
or edi, 0xffffffff
mov ebx, dword [esi]
push eax
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x42e082
lea eax, [esp + 0x10]
mov dword [esp + 0x10], 0x80
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.00417440
add esp, 8
cmp edi, 0xffffffff
jne 0x42e0a6
push str.Error_accept__ing_server_connect
push ebx
call fcn.00416ad0
add esp, 8
mov eax, 0x1e
jmp 0x42e0fe
push str.Connection_accepted_from_server_n
push ebx
call fcn.00416bb0
push 1
mov byte [esi + 0x370], 0
push edi
mov dword [esi + 0x194], edi
call fcn.004391a0
mov byte [esi + 0x1a1], 1
add esp, 0x10
mov eax, dword [ebx + 0x198]
test eax, eax
je 0x42e0fc
push 1
push edi
push dword [ebx + 0x19c]
call eax
add esp, 0xc
test eax, eax
je 0x42e0fc
push esi
call fcn.0042e5c0
add esp, 4
mov eax, 0x2a
jmp 0x42e0fe
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.004428c2
add esp, 0x88
ret
Function at 0x432c10
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x194
mov eax, dword [0x473060]
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 0x432c4e
push eax
push str.WSAStartup_failed___d_
push esi
call fcn.00416ad0
add esp, 0xc
jmp 0x432c89
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, dword [esp + 4]
cmp al, 2
jne 0x432c7b
shr eax, 8
test al, al
jne 0x432c7b
xor eax, eax
pop esi
mov ecx, dword [esp + 0x190]
xor ecx, esp
call fcn.004428c2
add esp, 0x194
ret
push str.insufficient_winsock_version_to_support_telnet
push esi
call fcn.00416ad0
add esp, 8
mov ecx, dword [esp + 0x194]
mov eax, 2
pop esi
xor ecx, esp
call fcn.004428c2
add esp, 0x194
ret

Function at 0x433530
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 + 0x190]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x43357c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.00416ad0
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.00432e30
add esp, 0x10
pop edi
pop esi
pop ebx
ret
Function at 0x433660
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 + 0x114]
jne 0x4337b9
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x433699
mov byte [ebp], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4336a4
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x4336af
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 0x4336e2
mov al, byte [esp + 0x14]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4336f0
mov al, byte [esp + 0x15]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x4336fe
mov al, byte [esp + 0x1c]
mov byte [ecx], al
inc dword [edi]
mov ecx, dword [edi]
cmp ecx, edi
jae 0x43370c
mov al, byte [esp + 0x1d]
mov byte [ecx], al
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x433717
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x433722
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.00432f40
mov edi, dword [esp + 0x38]
add esp, 0x10
push 0
push 3
push ebp
push dword [edi + 0x190]
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x433778
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00416ad0
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.004335a0
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [edi + 0x190]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x4337b6
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00416ad0
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
add esp, 0x14
ret