joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4bd430
Capabilities:
Read file on windows

Disassembly:
sub esp, 8
push edi
push 0x4c
call dword [sym.imp.MSVCRT.dll_malloc]
mov edi, eax
add esp, 4
test edi, edi
jne 0x4bd45a
mov eax, dword [esp + 0x18]
test eax, eax
je 0x4bd453
mov dword [eax], 0x6d
xor eax, eax
pop edi
add esp, 8
ret
push esi
push 0x4c
push 0
push edi
call sub.MSVCRT.dll_memset
push 0x614c
push 1
mov dword [edi + 0x34], 0
mov dword [edi + 0x14], 0
call dword [sym.imp.MSVCRT.dll_calloc]
mov esi, eax
add esp, 0x14
test esi, esi
jne 0x4bd4a9
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x4bd497
mov dword [eax], 0x6d
push edi
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
xor eax, eax
pop esi
pop edi
add esp, 8
ret
push 0x614c
push 0
push esi
call sub.MSVCRT.dll_memset
mov eax, dword [esp + 0x24]
add esp, 0xc
mov dword [edi + 0x48], esi
mov dword [esi + 0x3c], eax
mov eax, dword [esp + 0x14]
mov dword [esi + 4], 0
mov dword [esi + 0x38], 0
mov dword [esi], 8
mov ecx, dword [edi + 0x48]
mov dword [edi + 0x44], eax
mov eax, dword [ecx + 0x3c]
test eax, eax
je 0x4bd4f7
push 6
lea ecx, [esp + 0xc]
push ecx
push edi
call eax
add esp, 0xc
jmp 0x4bd50c
push dword [ecx + 0x38]
lea eax, [esp + 0xc]
push 6
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 6
je 0x4bd521
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x4bd54d
mov dword [eax], 0x66
jmp 0x4bd54d
push 3
lea eax, [esp + 0xc]
mov byte [esp + 0x12], 0
push eax
push str.GIFVER
call dword [sym.imp.MSVCRT.dll_strncmp]
add esp, 0xc
test eax, eax
je 0x4bd564
mov eax, dword [esp + 0x1c]
test eax, eax
je 0x4bd54d
mov dword [eax], 0x67
push esi
mov esi, dword [sym.imp.MSVCRT.dll_free]
call esi
push edi
call esi
add esp, 8
xor eax, eax
pop esi
pop edi
add esp, 8
ret
push edi
call fcn.004bd220
add esp, 4
test eax, eax
jne 0x4bd596
push esi
mov esi, dword [sym.imp.MSVCRT.dll_free]
call esi
push edi
call esi
mov eax, dword [esp + 0x24]
add esp, 8
test eax, eax
je 0x4bd58e
mov dword [eax], 0x68
pop esi
xor eax, eax
pop edi
add esp, 8
ret
mov dword [edi + 0x40], 0
cmp byte [esp + 0xb], 0x39
sete al
mov byte [esi + 0x6148], al
mov eax, edi
pop esi
pop edi
add esp, 8
ret

Function at 0x4bd7e0
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
push edi
mov edi, dword [esi + 0x48]
mov eax, dword [edi + 0x3c]
test eax, eax
je 0x4bd7ff
push 1
lea ecx, [esp + 0x10]
push ecx
push esi
call eax
add esp, 0xc
jmp 0x4bd814
push dword [edi + 0x38]
lea eax, [esp + 0x10]
push 1
push 1
push eax
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
cmp eax, 1
jb 0x4bd82a
movzx ecx, byte [esp + 0xc]
cmp ecx, 8
jle 0x4bd82f
mov dword [esi + 0x40], 0x66
pop edi
xor eax, eax
pop esi
ret
mov eax, 1
mov dword [edi + 8], ecx
shl eax, cl
inc ecx
mov dword [edi + 0xc], eax
inc eax
mov dword [edi + 0x10], eax
inc eax
mov dword [edi + 0x14], eax
mov eax, 1
shl eax, cl
mov dword [edi + 0x1c], eax
mov eax, 0x1002
mov dword [edi + 0x18], ecx
mov ecx, 0x1000
mov byte [edi + 0x44], 0
mov dword [edi + 0x28], 0
mov dword [edi + 0x20], 0x1002
mov dword [edi + 0x2c], 0
mov dword [edi + 0x30], 0
add edi, 0x2144
rep stosd dword es:[edi], eax
pop edi
mov eax, 1
pop esi
ret
Function at 0x4c6bd0
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 0x4c6c14
mov al, byte [esi]
push eax
call fcn.004d2ba0
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 0x4c6bf3
pop edi
pop esi
pop ebp
movzx eax, bl
pop ebx
ret
Function at 0x4c9950
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 0x4c996a
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 0x523304
push esi
call dword [sym.imp.MSVCRT.dll_strpbrk]
add esp, 8
test eax, eax
je 0x4c99b3
test ebp, ebp
je 0x4c99a4
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 0x4c99d9
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4c99d9
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 0x4c9a8f
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c99f6
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x5508a4]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4c9a85
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4c9a85
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4c9a28
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 0x4c9a40
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 0x4c9a50
test ebp, ebp
je 0x4c9a7c
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x5508a8]
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 [0x5508a8]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4c9c20
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x22c
test byte [esp + 0x230], 2
je 0x4c9c6b
lea eax, [esp + 0x9c]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x4c9c5f
mov eax, dword [esp + 0x9c]
cmp al, 2
jne 0x4c9c59
shr eax, 8
cmp al, 2
je 0x4c9c6b
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, 2
add esp, 0x22c
ret
call fcn.004e35e0
test eax, eax
jne 0x4c9d40
push 0x5232c8
call fcn.004c9950
add esp, 4
mov dword [0x555428], eax
test eax, eax
je 0x4c9ca3
push str.if_nametoindex
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4c9ca3
mov dword [0x555424], 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 0x4c9d37
push 0x5558b0
mov byte [0x5558b8], 1
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
xor eax, eax
add esp, 0x22c
ret
mov byte [0x5558b8], 0
xor eax, eax
add esp, 0x22c
ret

Function at 0x4c9ec0
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x2c8], 2
je fcn.004c9e70
mov al, 1
ret

Function at 0x4ca000
Capabilities:
Write file on windows

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
cmp dword [edi + 0x5e0], 0
je 0x4ca044
push 1
push edi
call fcn.004cb200
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.004cb200
add esp, 0x24
mov eax, esi
pop edi
pop esi
ret
mov eax, dword [esp + 0x10]
cmp eax, 2
ja 0x4ca07d
push dword [edi + 0x570]
mov esi, dword [sym.imp.MSVCRT.dll_fwrite]
lea eax, [eax + eax*2]
push 1
add eax, 0x523388
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 0x4ca280
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 0x4ca2b1
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 0x4ca3e0
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.004ca890
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 0x4ca487
push edi
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edi, eax
cmp edi, 0x2733
jne 0x4ca454
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.004e41a0
push eax
push str.Send_failure:__s
push dword [ebp]
call fcn.004ca090
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 0x4ca890
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 0x4ca946
cmp dword [ebx + ecx*4 + 0x1b8], 0x4ca310
jne 0x4ca946
cmp dword [esi], 0
je 0x4ca8dc
test edi, edi
je 0x4ca946
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.004d23a0
add esp, 0x10
cmp eax, 0xffffffff
je 0x4ca946
test al, 1
je 0x4ca946
cmp dword [esi], 0
jne 0x4ca92f
mov eax, dword [ebx]
mov eax, dword [eax + 0x8d0]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x5508a4]
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 0x4ca92f
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 0x4ca946
add dword [esi + 8], eax
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x4d1200
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 0x4d13d8
cmp byte [ebx + 0x289], 0
push ebp
push esi
push edi
jne 0x4d13cc
cmp byte [ebx + 0x2a1], 0
jne 0x4d13cc
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 0x4d1294
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.004e41a0
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebp
call fcn.004ca090
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 0x4d12fe
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.004e41a0
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebp
call fcn.004ca090
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.004d0620
add esp, 0x10
test al, al
jne 0x4d135f
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.004e41a0
push eax
push dword [esi]
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.004ca090
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.004d0620
add esp, 0x10
test al, al
jne 0x4d13cc
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.004e41a0
push eax
push dword [esi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.004ca090
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
push ebx
call fcn.004d0ee0
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
Function at 0x4d1d30
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 0x4d1d7a
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.004ca150
add esp, 0xc
pop edi
pop esi
add esp, 0x10
ret
push dword [esi + 0xa3c]
mov dword [esp + 0x10], 1
call fcn.004d05a0
push dword [esi + 0xa40]
imul eax, eax, 0x3e8
mov dword [esp + 0x24], eax
mov dword [esp + 0x18], eax
call fcn.004d05a0
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 0x4d1df1
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.004ca150
add esp, 0x10
pop edi
pop esi
add esp, 0x10
ret

Function at 0x4d1e00
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 0x4d1e61
push pe_nt_image_headers32
lea eax, [esp + 0xc]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.004e41a0
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.004ca150
add esp, 0x18
pop esi
add esp, 0x84
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.004ca150
add esp, 8
pop esi
add esp, 0x84
ret
Function at 0x4dcb90
Capabilities:
Query environment variable

Disassembly:
mov eax, 0x1000
call fcn.00422410
push dword [esp + 0x1004]
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x4dcbdd
push 0x1000
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x4dcbdd
lea eax, [esp]
push eax
call dword [0x5508b0]
add esp, 4
add esp, 0x1000
ret
xor eax, eax
add esp, 0x1000
ret
Function at 0x4e3680
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 0x4e3813
push ebx
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x4e37fd
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x4e36cf
lea ebx, [eax + 0xe]
jmp 0x4e36db
cmp eax, 0x17
jne 0x4e378a
lea ebx, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x4e378a
mov eax, dword [edi + 0x10]
test eax, eax
je 0x4e378a
cmp eax, ebx
jb 0x4e378a
push 0x20
call dword [0x5508a4]
mov esi, eax
add esp, 4
test esi, esi
je 0x4e37f2
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 [0x5508a4]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x4e37e1
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 0x4e3775
push eax
call dword [0x5508b0]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x4e37c7
test ebp, ebp
jne 0x4e377b
mov ebp, esi
mov eax, dword [esp + 0x10]
test eax, eax
je 0x4e3786
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x4e36c2
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x4e37a9
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x4e37f9
push ebp
call fcn.004e3640
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 [0x5508a8]
push esi
call dword [0x5508a8]
add esp, 8
jmp 0x4e3799
push esi
mov ebx, 8
call dword [0x5508a8]
add esp, 4
jmp 0x4e3799
mov ebx, 8
jmp 0x4e3799
test ebp, ebp
jne 0x4e3809
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 0x4e7e50
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 0x4e7e82
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 0x4e8017
push 0x10
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x4e8017
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 0x4e8017
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x4e8017
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x4e8017
push 0x10
lea ecx, [esp + 0x18]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x4e8017
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x4e8017
push ebx
push 0x528e10
lea eax, [esp + 0x2c]
push 0xc
push eax
call fcn.004db7d0
lea esi, [esp + 0x34]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4e7f84
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 0x4e8017
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 0x4e8017
lea ecx, [esp + 0x24]
lea edx, [esp + 0x30]
sub esi, 4
jb 0x4e7fd5
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x4e7fda
add ecx, 4
add edx, 4
sub esi, 4
jae 0x4e7fc4
cmp esi, 0xfffffffc
je 0x4e8007
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x4e8017
cmp esi, 0xfffffffd
je 0x4e8007
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x4e8017
cmp esi, 0xfffffffe
je 0x4e8007
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x4e8017
cmp esi, 0xffffffff
je 0x4e8007
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x4e8017
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 0x4f3312
Capabilities:
Allocate thread local storage
Get thread local storage value
Set thread local storage value

Disassembly:
cmp dword [0x555664], 0
push ebx
push esi
mov esi, 0x55566c
jne 0x4f333e
call dword [sym.imp.KERNEL32.dll_TlsAlloc]
push esi
mov dword [0x555684], eax
call dword [sym.imp.KERNEL32.dll_InitializeCriticalSection]
mov dword [0x555664], 1
push dword [0x555684]
call dword [sym.imp.KERNEL32.dll_TlsGetValue]
mov ebx, eax
test ebx, ebx
jne 0x4f33db
push 0x14
push 8
push dword [0x553c50]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ebx, eax
test ebx, ebx
je 0x4f3405
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
mov eax, dword [0x555668]
test eax, eax
je 0x4f3380
mov dword [eax], ebx
push edi
push esi
mov dword [ebx + 4], eax
mov dword [0x555668], ebx
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov esi, dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
lea edi, [ebx + 0x10]
push 0
push 0
push 0x100000
push edi
call esi
push eax
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push eax
call esi
push eax
call dword [sym.imp.KERNEL32.dll_DuplicateHandle]
push 8
push 0xffffffffffffffff
push ebx
push 0x4f340a
push dword [edi]
lea eax, [ebx + 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_RegisterWaitForSingleObject]
push ebx
push dword [0x555684]
call dword [sym.imp.KERNEL32.dll_TlsSetValue]
pop edi
push 0xc
push 0
push dword [0x553c50]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
test eax, eax
je 0x4f3405
mov ecx, dword [esp + 0xc]
mov dword [eax + 4], ecx
mov ecx, dword [esp + 0x10]
mov dword [eax + 8], ecx
mov ecx, dword [ebx + 8]
mov dword [eax], ecx
mov dword [ebx + 8], eax
pop esi
pop ebx
ret 8
Function at 0x10004360
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
push esi
push ebx
sub esp, 0x10
mov esi, dword [ebp + 8]
mov dword [esp], esi
call dword [sym.imp.ucrtbase.dll_strlen]
mov ebx, eax
xor eax, eax
test ebx, ebx
je 0x100043b8
cmp byte [esi + ebx - 1], 0xa
je 0x1000438c
mov eax, dword fs:[0x18]
mov eax, dword [eax + 0x24]
xchg dword [0x10005194], eax
mov dword [esp], 2
call dword [sym.imp.ucrtbase.dll___acrt_iob_func]
mov dword [esp + 8], ebx
mov dword [esp + 0xc], eax
mov dword [esp + 4], 1
mov dword [esp], esi
call dword [sym.imp.ucrtbase.dll_fwrite]
add esp, 0x10
pop ebx
pop esi
pop ebp
ret