joyce8/EMBER2024-capa huggingface dataset:
Function at 0x404c20
Capabilities:
Read file on windows

Disassembly:
push ecx
push edi
mov edi, dword [esp + 0xc]
mov dword [esp + 4], 0
cmp dword [edi + 4], 0
je 0x404c47
push 1
lea eax, [esp + 0x10]
push eax
push edi
call fcn.004044d0
mov dword [esp + 4], eax
jmp 0x404c61
push 0
lea eax, [esp + 8]
push eax
push 1
lea eax, [esp + 0x18]
push eax
push dword [edi]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, dword [esp + 4]
cmp eax, 1
je 0x404c6d
xor eax, eax
pop edi
pop ecx
ret 8
mov cl, byte [esp + 0xc]
test cl, cl
js 0x404c89
mov eax, dword [esp + 0x10]
pop edi
mov byte [eax], cl
mov byte [eax + 1], 0
mov eax, 1
pop ecx
ret 8
mov al, cl
and al, 0xe0
push esi
cmp al, 0xc0
jne 0x404c99
mov esi, 2
jmp 0x404cb5
mov al, cl
and al, 0xf0
cmp al, 0xe0
jne 0x404ca8
mov esi, 3
jmp 0x404cb5
mov al, cl
and al, 0xf8
cmp al, 0xf0
jne 0x404d12
mov esi, 4
mov edx, dword [esp + 0x14]
mov byte [edx], cl
cmp dword [edi + 4], 0
je 0x404ce4
lea eax, [esi - 1]
push eax
lea eax, [edx + 1]
push eax
push edi
call fcn.004044d0
mov edx, eax
lea ecx, [esi - 1]
xor eax, eax
cmp edx, ecx
setne al
dec eax
and eax, esi
pop esi
pop edi
pop ecx
ret 8
push 0
lea eax, [esp + 0xc]
push eax
lea eax, [esi - 1]
push eax
lea eax, [edx + 1]
push eax
push dword [edi]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov edx, dword [esp + 8]
lea ecx, [esi - 1]
xor eax, eax
cmp edx, ecx
setne al
dec eax
and eax, esi
pop esi
pop edi
pop ecx
ret 8
mov eax, dword [esp + 0x14]
pop esi
pop edi
mov word [eax], 0x3f
mov eax, 1
pop ecx
ret 8

Function at 0x40555d
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push ebx
mov ebx, dword [ebp + 0x10]
push esi
push edi
xor edi, edi
cmp dword [ebp + 0x14], edi
je 0x4055bb
add ebx, 2
lea eax, [ebx*2 + 2]
push eax
push edi
push dword [0x4460c4]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov edi, eax
test edi, edi
je 0x4055bb
cmp dword [ebp + 0xc], 0
je 0x4055aa
push dword [ebp + 0xc]
push edi
call sub.MSVCRT.dll_wcscpy
push 0x43c0a8
push edi
call sub.MSVCRT.dll_wcscat
add esp, 0x10
jmp 0x4055b7
push 0x43c0a8
push edi
call sub.MSVCRT.dll_wcscpy
pop ecx
pop ecx
mov esi, edi
jmp 0x4055be
mov esi, dword [ebp + 0xc]
push 0
lea eax, [ebp + 0x10]
push eax
push ebx
push esi
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_WriteConsoleW]
test eax, eax
jne 0x405625
mov eax, dword [0x4451ac]
dec eax
dec eax
je 0x4055ff
sub eax, 0x16
je 0x4055f7
push 0
lea eax, [ebp + 0x10]
push eax
lea eax, [ebx + ebx]
push eax
push esi
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_WriteFile]
jmp 0x405625
push esi
call fcn.0043b250
jmp 0x405605
push esi
call fcn.0043b2e0
mov esi, eax
lea eax, [ebp + 0x10]
push 0
push eax
push esi
call sub.MSVCRT.dll_strlen
pop ecx
push eax
push esi
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_WriteFile]
push esi
call fcn.0043b240
test edi, edi
je 0x405638
push edi
push 0
push dword [0x4460c4]
call dword [sym.imp.KERNEL32.dll_HeapFree]
pop edi
pop esi
pop ebx
pop ebp
ret 0x10
Function at 0x40e910
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
mov ecx, dword [esp + 8]
push ebx
push ebp
push esi
mov esi, dword [esp + 0x10]
mov ebx, 0x1505
add ecx, esi
mov eax, ecx
push edi
xor edi, edi
sub eax, esi
cmp ecx, esi
sbb ebp, ebp
not ebp
and ebp, eax
jbe 0x40e954
mov al, byte [esi]
push eax
call fcn.0041aa60
movsx ecx, al
lea esi, [esi + 1]
mov eax, ebx
inc edi
shl eax, 5
add esp, 4
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp edi, ebp
jb 0x40e933
pop edi
pop esi
pop ebp
movzx eax, bl
pop ebx
ret
Function at 0x411810
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 0x41182a
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 0x43cca4
push esi
call dword [sym.imp.MSVCRT.dll_strpbrk]
add esp, 8
test eax, eax
je 0x411873
test ebp, ebp
je 0x411864
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 0x411899
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x411899
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 0x41194f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4118b6
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x4451b0]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x411945
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x411945
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4118e8
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 0x411900
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 0x411910
test ebp, ebp
je 0x41193c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x4451b4]
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 [0x4451b4]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x411ae0
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x22c
test byte [esp + 0x230], 2
je 0x411b2b
lea eax, [esp + 0x9c]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x411b1f
mov eax, dword [esp + 0x9c]
cmp al, 2
jne 0x411b19
shr eax, 8
cmp al, 2
je 0x411b2b
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, 2
add esp, 0x22c
ret
call fcn.0042b4a0
test eax, eax
jne 0x411c00
push str.iphlpapi.dll
call fcn.00411810
add esp, 4
mov dword [0x446228], eax
test eax, eax
je 0x411b63
push str.if_nametoindex
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x411b63
mov dword [0x446224], eax
push esi
push 0x9c
lea eax, [esp + 8]
push 0
push eax
call sub.MSVCRT.dll_memset
mov esi, dword [sym.imp.KERNEL32.dll_VerSetConditionMask]
add esp, 0xc
mov dword [esp + 4], 0x9c
mov dword [esp + 8], 6
mov dword [esp + 0xc], 0
push 3
push 2
push 0
push 0
mov dword [esp + 0x24], 2
call esi
push 3
push 1
push edx
push eax
call esi
push 3
push 0x20
push edx
push eax
call esi
push 3
push 0x10
push edx
push eax
call esi
push 1
push 8
push edx
push eax
call esi
push edx
push eax
push 0x33
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_VerifyVersionInfoA]
pop esi
test eax, eax
je 0x411bf7
push 0x446528
mov byte [0x446530], 1
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
xor eax, eax
add esp, 0x22c
ret
mov byte [0x446530], 0
xor eax, eax
add esp, 0x22c
ret

Function at 0x411d80
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x2c8], 2
je fcn.00411d30
mov al, 1
ret

Function at 0x411ec0
Capabilities:
Write file on windows

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
cmp dword [edi + 0x5e0], 0
je 0x411f04
push 1
push edi
call fcn.004130c0
push dword [edi + 0x574]
mov eax, dword [edi + 0x5e0]
push dword [esp + 0x24]
push dword [esp + 0x24]
push dword [esp + 0x24]
push edi
call eax
push 0
push edi
mov esi, eax
call fcn.004130c0
add esp, 0x24
mov eax, esi
pop edi
pop esi
ret
mov eax, dword [esp + 0x10]
cmp eax, 2
ja 0x411f3d
push dword [edi + 0x570]
mov esi, dword [sym.imp.MSVCRT.dll_fwrite]
lea eax, [eax + eax*2]
push 1
add eax, 0x43cd28
push 2
push eax
call esi
push dword [edi + 0x570]
push 1
push dword [esp + 0x30]
push dword [esp + 0x30]
call esi
add esp, 0x20
pop edi
xor eax, eax
pop esi
ret

Function at 0x412140
Capabilities:
Receive data
Receive data on socket

Disassembly:
push 0
push dword [esp + 0x10]
push dword [esp + 0x10]
push dword [esp + 0x10]
call dword [sym.imp.WS2_32.dll_recv]
mov ecx, eax
cmp ecx, 0xffffffff
jne 0x412171
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
sub eax, 0x2733
neg eax
sbb eax, eax
and eax, 0xffffffe7
add eax, 0x51
ret
mov eax, dword [esp + 0x10]
mov dword [eax], ecx
xor eax, eax
ret
Function at 0x4122a0
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esp + 8]
sub esp, 0x80
push ebx
push ebp
mov ebp, dword [esp + 0x8c]
push esi
push eax
push ebp
mov esi, dword [ebp + eax*4 + 0x1a4]
call fcn.00412750
add esp, 8
push 0
push dword [esp + 0xa0]
push dword [esp + 0xa0]
push esi
call dword [sym.imp.WS2_32.dll_send]
mov ebx, dword [esp + 0xa0]
mov esi, eax
mov dword [ebx], 0
cmp esi, 0xffffffff
jne 0x412347
push edi
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edi, eax
cmp edi, 0x2733
jne 0x412314
pop edi
pop esi
pop ebp
mov dword [ebx], 0x51
xor eax, eax
pop ebx
add esp, 0x80
ret
push pe_nt_image_headers32
lea eax, [esp + 0x14]
push eax
push edi
call fcn.0042c060
push eax
push str.Send_failure:__s
push dword [ebp]
call fcn.00411f50
mov eax, dword [ebp]
add esp, 0x18
mov dword [eax + 0xc54], edi
mov eax, esi
mov dword [ebx], 0x37
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x80
ret

Function at 0x412750
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 + 0x1a4]
lea esi, [ebx + 0x1c8]
add esi, eax
mov eax, dword [ebx + 0x2c0]
push edi
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x412806
cmp dword [ebx + ecx*4 + 0x1b8], 0x4121d0
jne 0x412806
cmp dword [esi], 0
je 0x41279c
test edi, edi
je 0x412806
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.0041a260
add esp, 0x10
cmp eax, 0xffffffff
je 0x412806
test al, 1
je 0x412806
cmp dword [esi], 0
jne 0x4127ef
mov eax, dword [ebx]
mov eax, dword [eax + 0x8d0]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x4451b0]
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 0x4127ef
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 0x412806
add dword [esi + 8], eax
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x4190c0
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x188
push ebx
mov ebx, dword [esp + 0x190]
cmp dword [ebx + 0x90], 3
jne 0x419298
cmp byte [ebx + 0x289], 0
push ebp
push esi
push edi
jne 0x41928c
cmp byte [ebx + 0x2a1], 0
jne 0x41928c
mov esi, dword [esp + 0x1a0]
lea eax, [esp + 0x10]
mov ebp, dword [ebx]
push eax
lea eax, [esp + 0x11c]
mov dword [esp + 0x14], pe_nt_image_headers32
push eax
push esi
call dword [sym.imp.WS2_32.dll_getpeername]
test eax, eax
je 0x419154
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push esi
call fcn.0042c060
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebp
call fcn.00411f50
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
push pe_nt_image_headers32
lea eax, [esp + 0x9c]
mov dword [esp + 0x18], pe_nt_image_headers32
push 0
push eax
call sub.MSVCRT.dll_memset
add esp, 0xc
lea eax, [esp + 0x14]
push eax
lea eax, [esp + 0x9c]
push eax
push esi
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x4191be
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push esi
call fcn.0042c060
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebp
call fcn.00411f50
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
lea eax, [ebx + 0x138]
push eax
lea esi, [ebx + 0x10a]
push esi
push dword [esp + 0x18]
lea eax, [esp + 0x124]
push eax
call fcn.004184e0
add esp, 0x10
test al, al
jne 0x41921f
mov esi, dword [sym.imp.MSVCRT.dll__errno]
call esi
mov edi, eax
call esi
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push dword [edi]
call fcn.0042c060
push eax
push dword [esi]
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.00411f50
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
lea edi, [ebx + 0x5c]
mov ecx, 0xb
rep movsd dword es:[edi], dword [esi]
lea eax, [ebx + 0x16c]
push eax
lea eax, [ebx + 0x13c]
push eax
push dword [esp + 0x1c]
lea eax, [esp + 0xa4]
movsw word es:[edi], word [esi]
push eax
call fcn.004184e0
add esp, 0x10
test al, al
jne 0x41928c
mov esi, dword [sym.imp.MSVCRT.dll__errno]
call esi
mov edi, eax
call esi
mov esi, eax
lea eax, [esp + 0x18]
push pe_nt_image_headers32
push eax
push dword [edi]
call fcn.0042c060
push eax
push dword [esi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.00411f50
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
push ebx
call fcn.00418da0
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
Function at 0x419bf0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x10
push esi
mov esi, dword [esp + 0x18]
xor eax, eax
push edi
mov edi, dword [esp + 0x20]
push 4
cmp byte [esi + 0xa9f], al
setne al
mov dword [esp + 0x20], eax
lea eax, [esp + 0x20]
push eax
push 8
push 0xffff
push edi
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x419c3a
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00412010
add esp, 0xc
pop edi
pop esi
add esp, 0x10
ret
push dword [esi + 0xa3c]
mov dword [esp + 0x10], 1
call fcn.00418460
push dword [esi + 0xa40]
imul eax, eax, 0x3e8
mov dword [esp + 0x24], eax
mov dword [esp + 0x18], eax
call fcn.00418460
add esp, 8
imul eax, eax, 0x3e8
push 0
push 0
mov dword [esp + 0x24], eax
mov dword [esp + 0x1c], eax
lea eax, [esp + 0x10]
push eax
push 0
push 0
push 0xc
lea eax, [esp + 0x24]
push eax
push 0x98000004
push edi
call dword [sym.imp.WS2_32.dll_WSAIoctl]
test eax, eax
je 0x419cb1
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.00412010
add esp, 0x10
pop edi
pop esi
add esp, 0x10
ret

Function at 0x419cc0
Capabilities:
Set socket configuration

Disassembly:
sub esp, 0x84
mov eax, dword [esp + 0x88]
push esi
push 4
mov dword [esp + 8], 1
mov esi, dword [eax]
lea eax, [esp + 8]
push eax
push 1
push 6
push dword [esp + 0xa0]
call dword [sym.imp.WS2_32.dll_setsockopt]
test eax, eax
jns 0x419d21
push pe_nt_image_headers32
lea eax, [esp + 0xc]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0042c060
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00412010
add esp, 0x18
pop esi
add esp, 0x84
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.00412010
add esp, 8
pop esi
add esp, 0x84
ret
Function at 0x424a50
Capabilities:
Query environment variable

Disassembly:
mov eax, 0x1000
call fcn.004020f0
push dword [esp + 0x1004]
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x424a9d
push 0x1000
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x424a9d
lea eax, [esp]
push eax
call dword [0x4451bc]
add esp, 4
add esp, 0x1000
ret
xor eax, eax
add esp, 0x1000
ret
Function at 0x42b540
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
push ebp
xor ebp, ebp
mov dword [esp + 4], ebp
mov dword [eax], ebp
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 0x42b6d3
push ebx
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x42b6bd
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x42b58f
lea ebx, [eax + 0xe]
jmp 0x42b59b
cmp eax, 0x17
jne 0x42b64a
lea ebx, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x42b64a
mov eax, dword [edi + 0x10]
test eax, eax
je 0x42b64a
cmp eax, ebx
jb 0x42b64a
push 0x20
call dword [0x4451b0]
mov esi, eax
add esp, 4
test esi, esi
je 0x42b6b2
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 ebx
mov dword [esi + 0xc], eax
mov dword [esi + 0x10], ebx
mov dword [esi + 0x18], 0
mov dword [esi + 0x14], 0
mov dword [esi + 0x1c], 0
call dword [0x4451b0]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x42b6a1
push ebx
push dword [edi + 0x18]
push eax
call sub.MSVCRT.dll_memcpy
mov eax, dword [edi + 0x14]
add esp, 0xc
test eax, eax
je 0x42b635
push eax
call dword [0x4451bc]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x42b687
test ebp, ebp
jne 0x42b63b
mov ebp, esi
mov eax, dword [esp + 0x10]
test eax, eax
je 0x42b646
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x42b582
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x42b669
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x42b6b9
push ebp
call fcn.0042b500
mov eax, dword [esp + 0x2c]
add esp, 4
xor ebp, ebp
mov dword [eax], ebp
mov eax, ebx
pop edi
pop ebx
pop ebp
add esp, 0xc
ret
push dword [esi + 0x18]
mov ebx, 8
call dword [0x4451b4]
push esi
call dword [0x4451b4]
add esp, 8
jmp 0x42b659
push esi
mov ebx, 8
call dword [0x4451b4]
add esp, 4
jmp 0x42b659
mov ebx, 8
jmp 0x42b659
test ebp, ebp
jne 0x42b6c9
mov ebx, 0x2af9
push ebx
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
pop edi
mov dword [eax], ebp
mov eax, ebx
pop ebx
pop ebp
add esp, 0xc
ret
Function at 0x42fd10
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket
Get local ipv4 addresses
Get socket information
Receive data
Receive data on socket
Send data
Send data on socket
Set socket configuration
Start tcp server

Disassembly:
sub esp, 0x30
push esi
mov esi, dword [sym.imp.WS2_32.dll_socket]
push edi
push 6
push 1
push 2
mov dword [esp + 0x18], 0x10
mov dword [esp + 0x14], 1
call esi
mov edi, eax
cmp edi, 0xffffffff
jne 0x42fd42
pop edi
or eax, eax
pop esi
add esp, 0x30
ret
xor eax, eax
mov dword [esp + 0x10], eax
push ebx
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], eax
mov eax, 2
push 0x7f000001
mov word [esp + 0x18], ax
call dword [sym.imp.WS2_32.dll_htonl]
mov ebx, dword [esp + 0x4c]
mov dword [esp + 0x18], eax
xor eax, eax
push 4
mov word [esp + 0x1a], ax
lea eax, [esp + 0x10]
push eax
push 4
push 0xffff
push edi
mov dword [ebx + 4], 0xffffffff
mov dword [ebx], 0xffffffff
call dword [sym.imp.WS2_32.dll_setsockopt]
cmp eax, 0xffffffff
je 0x42fed7
push 0x10
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x42fed7
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_getsockname]
cmp eax, 0xffffffff
je 0x42fed7
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x42fed7
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x42fed7
push 0x10
lea ecx, [esp + 0x18]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x42fed7
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x42fed7
push ebx
push 0x4427f0
lea eax, [esp + 0x2c]
push 0xc
push eax
call fcn.00423690
lea esi, [esp + 0x34]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x42fe44
push 0
sub esi, ecx
lea eax, [esp + 0x28]
push esi
push eax
push dword [ebx]
call dword [sym.imp.WS2_32.dll_send]
cmp eax, esi
jne 0x42fed7
push 0
push 0xc
lea eax, [esp + 0x38]
push eax
push dword [ebx + 4]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, esi
jne 0x42fed7
lea ecx, [esp + 0x24]
lea edx, [esp + 0x30]
sub esi, 4
jb 0x42fe95
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x42fe9a
add ecx, 4
add edx, 4
sub esi, 4
jae 0x42fe84
cmp esi, 0xfffffffc
je 0x42fec7
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x42fed7
cmp esi, 0xfffffffd
je 0x42fec7
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x42fed7
cmp esi, 0xfffffffe
je 0x42fec7
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x42fed7
cmp esi, 0xffffffff
je 0x42fec7
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x42fed7
push edi
call dword [sym.imp.WS2_32.dll_closesocket]
pop ebx
pop edi
xor eax, eax
pop esi
add esp, 0x30
ret
mov esi, dword [sym.imp.WS2_32.dll_closesocket]
push edi
call esi
push dword [ebx]
call esi
push dword [ebx + 4]
call esi
pop ebx
pop edi
or eax, 0xffffffff
pop esi
add esp, 0x30
ret
Function at 0x40287e
Capabilities:
Get common file path

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x658
cmp dword [ebp + 0x14], 0
push ebx
push esi
push edi
lea esi, [ebp - 0x258]
je 0x4028c3
push dword [ebp + 0x14]
mov eax, esi
push eax
call fcn.0040a58c
mov eax, esi
push eax
call fcn.0040a499
push dword [ebp + 0x14]
lea esi, [ebp + eax - 0x257]
push esi
call fcn.0040a58c
push esi
call fcn.0040a499
lea esi, [esi + eax + 1]
push 0x85
call fcn.00409a0c
push eax
push esi
call fcn.0040a58c
push esi
call fcn.0040a499
lea esi, [esi + eax + 1]
push 0x4122e4
push esi
call fcn.0040a58c
push esi
call fcn.0040a499
push 0x58
mov byte [eax + esi + 1], 0
pop esi
push esi
push 0
lea eax, [ebp - 0x58]
push eax
call fcn.0040a39e
mov eax, dword [ebp + 8]
mov dword [ebp - 0x54], eax
mov eax, dword [0x414c78]
mov dword [ebp - 0x50], eax
lea eax, [ebp - 0x258]
mov dword [ebp - 0x58], esi
mov esi, dword [ebp + 0x10]
mov dword [ebp - 0x4c], eax
mov eax, dword [ebp + 0xc]
mov edi, 0x400
push esi
mov dword [ebp - 0x3c], esi
mov dword [ebp - 0x38], edi
mov dword [ebp - 0x28], eax
call fcn.004074ed
cmp eax, esi
jne 0x402952
lea eax, [ebp - 0x658]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_GetCurrentDirectoryA]
lea eax, [ebp - 0x658]
mov dword [ebp - 0x2c], eax
cmp byte [ebp + 0x18], 0
mov ebx, dword [sym.imp.COMDLG32.dll_GetOpenFileNameA]
lea eax, [ebp - 0x58]
mov dword [ebp - 0x24], 0x1080c
push eax
je 0x402971
call dword [sym.imp.COMDLG32.dll_GetSaveFileNameA]
jmp 0x402973
call ebx
mov edi, eax
test edi, edi
jne 0x4029a1
call dword [sym.imp.COMDLG32.dll_CommDlgExtendedError]
cmp eax, 0x3002
jne 0x40299f
cmp byte [ebp + 0x18], 0
lea eax, [ebp - 0x58]
mov byte [esi], 0
push eax
je 0x40299b
call dword [sym.imp.COMDLG32.dll_GetSaveFileNameA]
jmp 0x40299d
call ebx
mov edi, eax
test edi, edi
pop edi
pop esi
setne al
pop ebx
leave
ret 0x14

Function at 0x402dba
Capabilities:
Encode data using xor

Disassembly:
cmp dword [0x4141c4], 0
jne 0x402dc8
call fcn.00402d90
mov ecx, dword [esp + 8]
mov eax, dword [esp + 4]
push esi
mov esi, dword [esp + 0x10]
push edi
test esi, esi
jbe 0x402df5
test cl, 7
je 0x402df5
movzx edx, byte [ecx]
movzx edi, al
xor edx, edi
shr eax, 8
xor eax, dword [edx*4 + 0x4141c0]
dec esi
inc ecx
jmp 0x402dd6
cmp esi, 8
jb 0x402e79
mov edi, esi
shr edi, 3
xor eax, dword [ecx]
add ecx, 8
movzx edx, al
shr eax, 8
xor eax, dword [edx*4 + 0x4141c0]
sub esi, 8
movzx edx, al
shr eax, 8
xor eax, dword [edx*4 + 0x4141c0]
movzx edx, al
shr eax, 8
xor eax, dword [edx*4 + 0x4141c0]
mov edx, eax
movzx eax, dl
mov eax, dword [eax*4 + 0x4141c0]
xor eax, dword [ecx - 4]
shr edx, 8
xor eax, edx
movzx edx, al
shr eax, 8
xor eax, dword [edx*4 + 0x4141c0]
movzx edx, al
shr eax, 8
xor eax, dword [edx*4 + 0x4141c0]
movzx edx, al
shr eax, 8
xor eax, dword [edx*4 + 0x4141c0]
movzx edx, al
shr eax, 8
xor eax, dword [edx*4 + 0x4141c0]
dec edi
jne 0x402dff
xor edx, edx
test esi, esi
jbe 0x402e99
push ebx
movzx edi, byte [edx + ecx]
movzx ebx, al
xor edi, ebx
shr eax, 8
xor eax, dword [edi*4 + 0x4141c0]
inc edx
cmp edx, esi
jb 0x402e80
pop ebx
pop edi
pop esi
ret 0xc