joyce8/EMBER2024-capa huggingface dataset:
Function at 0x477250
Capabilities:
Resolve dns

Disassembly:
sub esp, 0xc
mov eax, dword [esp + 0x1c]
push esi
xor esi, esi
mov dword [esp + 4], esi
mov dword [eax], esi
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 0x477402
push ebx
mov ebx, dword [esp + 0xc]
push edi
test ebx, ebx
je 0x4773ec
push ebp
mov eax, dword [ebx + 4]
cmp eax, 2
jne 0x47729f
lea ebp, [eax + 0xe]
jmp 0x4772ab
cmp eax, 0x17
jne 0x477359
lea ebp, [eax + 5]
cmp dword [ebx + 0x18], 0
je 0x477359
mov eax, dword [ebx + 0x10]
test eax, eax
je 0x477359
cmp eax, ebp
jb 0x477359
push 0x20
call dword [section..data]
mov edi, eax
add esp, 4
test edi, edi
je 0x4773e1
mov ecx, dword [ebx]
mov dword [edi], ecx
mov ecx, dword [ebx + 4]
mov dword [edi + 4], ecx
mov ecx, dword [ebx + 8]
mov dword [edi + 8], ecx
mov eax, dword [ebx + 0xc]
push ebp
mov dword [edi + 0xc], eax
mov dword [edi + 0x10], ebp
mov dword [edi + 0x18], 0
mov dword [edi + 0x14], 0
mov dword [edi + 0x1c], 0
call dword [section..data]
add esp, 4
mov dword [edi + 0x18], eax
test eax, eax
je 0x4773d0
push ebp
push dword [ebx + 0x18]
push eax
call fcn.004b5a10
mov eax, dword [ebx + 0x14]
add esp, 0xc
test eax, eax
je 0x477345
push eax
call dword [0x52a00c]
add esp, 4
mov dword [edi + 0x14], eax
test eax, eax
je 0x4773b6
mov eax, dword [esp + 0x10]
test esi, esi
cmove esi, edi
test eax, eax
je 0x477355
mov dword [eax + 0x1c], edi
mov dword [esp + 0x10], edi
mov ebx, dword [ebx + 0x1c]
test ebx, ebx
jne 0x477292
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop ebp
test eax, eax
je 0x477378
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x4773e8
test esi, esi
je 0x4773a5
push dword [esi + 0x18]
call dword [0x52a004]
push dword [esi + 0x14]
call dword [0x52a004]
mov edi, dword [esi + 0x1c]
push esi
call dword [0x52a004]
add esp, 0xc
mov esi, edi
test edi, edi
jne 0x477380
mov eax, dword [esp + 0x28]
xor esi, esi
pop edi
mov dword [eax], esi
mov eax, ebx
pop ebx
pop esi
add esp, 0xc
ret
push dword [edi + 0x18]
mov ebx, 8
call dword [0x52a004]
push edi
call dword [0x52a004]
add esp, 8
jmp 0x477368
push edi
mov ebx, 8
call dword [0x52a004]
add esp, 4
jmp 0x477368
mov ebx, 8
jmp 0x477368
test esi, esi
jne 0x4773f8
mov ebx, 0x2af9
push ebx
call dword [sym.imp.WS2_32.dll_WSASetLastError]
mov eax, dword [esp + 0x28]
pop edi
mov dword [eax], esi
mov eax, ebx
pop ebx
pop esi
add esp, 0xc
ret
Function at 0x47ad10
Capabilities:
Query environment variable

Disassembly:
push ebx
push ebp
xor ebp, ebp
push esi
push edi
lea esi, [ebp + 1]
push esi
push ebp
call dword [0x52a008]
mov edi, eax
add esp, 8
test edi, edi
je 0x47ad67
nop word [eax + eax]
push esi
push edi
push dword [esp + 0x1c]
mov ebp, edi
mov ebx, esi
call dword [sym.imp.KERNEL32.dll_GetEnvironmentVariableA]
mov esi, eax
test esi, esi
je 0x47ad7f
cmp esi, ebx
je 0x47ad7f
cmp esi, 0x8000
ja 0x47ad7f
cmp esi, ebx
jb 0x47ad78
push esi
push edi
call dword [0x52a008]
mov edi, eax
add esp, 8
test edi, edi
jne 0x47ad30
push ebp
call dword [0x52a004]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
ret
push edi
call dword [0x52a004]
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebp
pop ebx
ret

Function at 0x480800
Capabilities:
Get local ipv4 addresses
Get socket information

Disassembly:
sub esp, 0x88
mov eax, dword [0x52a098]
xor eax, esp
mov dword [esp + 0x84], eax
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x9c]
lea eax, [esp + 0x10]
push eax
lea eax, [esp + 0x18]
mov dword [esp + 0x14], 0x80
push eax
mov ebp, dword [edi + 0x424]
or esi, 0xffffffff
mov ebx, dword [edi]
push ebp
call dword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x480862
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 esi, eax
push ebp
push edi
call fcn.00466020
add esp, 8
cmp esi, 0xffffffff
jne 0x480886
push str.Error_accept__ing_server_connect
push ebx
call fcn.00465460
add esp, 8
mov eax, 0x1e
jmp 0x4808f5
push str.Connection_accepted_from_server_n
push ebx
call fcn.00465540
push 1
push esi
mov byte [edi + 0x50c], 0
mov dword [edi + 0x424], esi
call fcn.00473430
add esp, 0x10
mov byte [edi + 0x7e4], 1
cmp dword [ebx + 0x610], 0
je 0x4808f3
push 1
push ebx
call fcn.00456240
mov eax, dword [ebx + 0x610]
push 1
push esi
push dword [ebx + 0x614]
call eax
push 0
push ebx
mov esi, eax
call fcn.00456240
add esp, 0x1c
test esi, esi
je 0x4808f3
push edi
call fcn.00480d90
add esp, 4
mov eax, 0x2a
jmp 0x4808f5
xor eax, eax
mov ecx, dword [esp + 0x94]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0049ca2c
add esp, 0x88
ret
Function at 0x487cc0
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 + 0x420]
mov byte [esp + 0x20], 0xff
mov byte [esp + 0x21], bl
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x487d0c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push str.Sending_data_failed___d_
push edi
call fcn.00465460
add esp, 0xc
push dword [esp + 0x18]
push ebx
push str.SENT
push dword [esi]
call fcn.004878d0
add esp, 0x10
pop edi
pop esi
pop ebx
ret

Function at 0x487e40
Capabilities:
Send data
Send data on socket

Disassembly:
push ecx
cmp dword [esp + 0xc], 0x1f
mov eax, dword [esp + 8]
push ebx
mov eax, dword [eax]
mov dword [esp + 4], eax
mov ebx, dword [eax + 0x14c]
jne 0x487f8e
push ebp
push edi
lea ebp, [ebx + 0x1cb0]
lea edi, [ebx + 0x1eb0]
mov dword [edi], ebp
cmp ebp, edi
jae 0x487e8e
lea eax, [ebp + 1]
mov byte [ebp], 0xff
mov dword [edi], eax
cmp eax, edi
jae 0x487e8e
mov byte [eax], 0xfa
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x487e8e
mov byte [eax], 0x1f
inc dword [edi]
movzx eax, word [ebx + 0x1ca8]
push esi
mov esi, dword [sym.imp.WS2_32.dll_htons]
push eax
call esi
movzx eax, ax
mov dword [esp + 0x1c], eax
movzx eax, word [ebx + 0x1caa]
push eax
call esi
mov edx, dword [esp + 0x1c]
movzx ecx, ax
mov eax, dword [edi]
cmp eax, edi
jae 0x487ef9
mov byte [eax], dl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x487ef9
mov byte [eax], dh
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x487ef9
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x487ef9
shr ecx, 8
mov byte [eax], cl
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x487ef9
mov byte [eax], 0xff
inc dword [edi]
mov eax, dword [edi]
cmp eax, edi
jae 0x487ef9
mov byte [eax], 0xf0
mov eax, dword [edi]
inc eax
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.004879d0
mov edi, dword [esp + 0x28]
add esp, 0x10
push 0
push 3
push ebp
push dword [edi + 0x420]
call dword [sym.imp.WS2_32.dll_send]
mov ebp, dword [sym.imp.WS2_32.dll_WSAGetLastError]
test eax, eax
jns 0x487f4d
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00465460
add esp, 0xc
push 4
lea eax, [ebx + 0x1cb3]
push eax
push edi
call fcn.00487d30
add esp, 0xc
lea eax, [ebx + 0x1cb7]
push 0
push 2
push eax
push dword [edi + 0x420]
call dword [sym.imp.WS2_32.dll_send]
test eax, eax
jns 0x487f8b
call ebp
push eax
push str.Sending_data_failed___d_
push esi
call fcn.00465460
add esp, 0xc
pop esi
pop edi
pop ebp
pop ebx
pop ecx
ret
Function at 0x489440
Capabilities:
Receive data
Receive data on socket

Disassembly:
sub esp, 0x8c
mov eax, dword [0x52a098]
xor eax, esp
mov dword [esp + 0x88], eax
push ebx
push ebp
mov ebp, dword [esp + 0x98]
lea eax, [esp + 8]
push esi
push edi
push eax
mov edi, dword [ebp + 0x720]
lea eax, [esp + 0x1c]
mov ebx, dword [ebp]
push eax
mov dword [esp + 0x18], 0x80
mov eax, dword [edi + 0x154]
push 0
add eax, 4
push eax
push dword [edi + 0x15c]
push dword [edi + 0x14]
call dword [sym.imp.WS2_32.dll_recvfrom]
cmp dword [edi + 0x148], 0
mov dword [edi + 0x14c], eax
jne 0x4894c6
push dword [esp + 0x10]
lea eax, [esp + 0x1c]
push eax
lea eax, [edi + 0xc8]
push eax
call fcn.004b5a10
mov eax, dword [esp + 0x1c]
add esp, 0xc
mov dword [edi + 0x148], eax
mov esi, dword [edi + 0x14c]
cmp esi, 4
jge 0x489501
push str.Received_too_short_packet
push ebx
call fcn.00465460
add esp, 8
mov dword [edi + 0xc], 7
xor eax, eax
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.0049ca2c
add esp, 0x8c
ret
mov edx, dword [edi + 0x15c]
movzx ecx, byte [edx]
movzx eax, byte [edx + 1]
shl ecx, 8
or ecx, eax
mov dword [edi + 0xc], ecx
add ecx, 0xfffffffd
cmp ecx, 3
ja case.default.0x489522
jmp dword [ecx*4 + 0x489634]
cmp esi, 4
jle case.0x489522.4
movzx ecx, byte [edx + 2]
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
movzx eax, word [edi + 0x40]
inc eax
movzx eax, ax
cmp eax, ecx
jne case.0x489522.4
lea eax, [esi - 4]
push eax
lea eax, [edx + 4]
push eax
push 1
push ebp
call fcn.004653a0
mov esi, eax
add esp, 0x10
test esi, esi
je 0x48957a
push 5
push edi
call fcn.00489fd0
add esp, 8
mov eax, esi
jmp 0x4894e8
mov eax, dword [edi + 0x14c]
sub eax, 4
cdq
add dword [ebx + 0x98], eax
adc dword [ebx + 0x9c], edx
push dword [ebx + 0x9c]
push dword [ebx + 0x98]
push ebx
call fcn.00473740
jmp 0x48960a
movzx ecx, byte [edx + 2]
lea eax, [edx + 4]
mov dword [esp + 0x14], eax
add esi, 0xfffffffc
movzx eax, byte [edx + 3]
shl ecx, 8
or ecx, eax
lea eax, [edx + 4]
push esi
push eax
mov dword [edi + 8], ecx
call fcn.00489120
add esp, 8
cmp eax, esi
jae case.0x489522.4
push dword [esp + 0x14]
push str.TFTP_error:__s_n
push ebx
call fcn.00465540
jmp 0x48960a
lea eax, [esi - 2]
push eax
lea eax, [edx + 2]
push eax
push edi
call fcn.004891d0
add esp, 0xc
test eax, eax
je case.0x489522.4
jmp 0x4894e8
push str.Internal_error:_Unexpected_packet
push 0x4f91bc
push ebx
call fcn.00465460
add esp, 0xc
push ebp
call fcn.00473b10
add esp, 4
test eax, eax
je 0x4894e6
push 5
push edi
call fcn.00489fd0
add esp, 8
mov eax, 0x2a
jmp 0x4894e8
Function at 0x498ad0
Capabilities:
Create new key via cryptacquirecontext
Encrypt data using des via winapi
Encrypt or decrypt via wincrypt

Disassembly:
sub esp, 0x24
mov eax, dword [0x52a098]
xor eax, esp
mov dword [esp + 0x20], eax
push edi
mov edi, dword [esp + 0x30]
lea eax, [esp + 4]
push 0xf0000000
push 1
push 0
push 0
push eax
mov dword [esp + 0x1c], 8
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x498bd0
push esi
mov esi, dword [esp + 0x38]
push 8
mov dword [esp + 0x18], 0x208
mov dword [esp + 0x1c], 0x6601
mov dl, byte [esi + 1]
mov cl, byte [esi]
mov al, dl
shr al, 1
mov byte [esp + 0x24], cl
shl cl, 7
or al, cl
shl dl, 6
mov cl, byte [esi + 2]
mov byte [esp + 0x25], al
mov al, cl
shr al, 2
or al, dl
shl cl, 5
mov dl, byte [esi + 3]
mov byte [esp + 0x26], al
mov al, dl
shr al, 3
or al, cl
shl dl, 4
mov cl, byte [esi + 4]
mov byte [esp + 0x27], al
mov al, cl
shr al, 4
or al, dl
shl cl, 3
mov dl, byte [esi + 5]
mov byte [esp + 0x28], al
mov al, dl
shr al, 5
or al, cl
shl dl, 2
mov cl, byte [esi + 6]
mov byte [esp + 0x29], al
mov al, cl
shr al, 6
add cl, cl
or al, dl
mov dword [esp + 0x20], 8
mov byte [esp + 0x2a], al
lea eax, [esp + 0x24]
push eax
mov byte [esp + 0x2f], cl
call fcn.0049a9e0
add esp, 8
lea eax, [esp + 0x10]
push eax
push 0
push 0
push 0x14
lea eax, [esp + 0x24]
push eax
push dword [esp + 0x1c]
call dword [sym.imp.ADVAPI32.dll_CryptImportKey]
pop esi
test eax, eax
jne 0x498be2
push eax
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
xor al, al
pop edi
mov ecx, dword [esp + 0x20]
xor ecx, esp
call fcn.0049ca2c
add esp, 0x24
ret
mov ecx, dword [esp + 0x2c]
push dword [esp + 8]
mov eax, dword [ecx]
mov dword [edi], eax
mov eax, dword [ecx + 4]
mov dword [edi + 4], eax
lea eax, [esp + 0xc]
push eax
push edi
push 0
push 0
push 0
push dword [esp + 0x24]
call dword [sym.imp.ADVAPI32.dll_CryptEncrypt]
push dword [esp + 0xc]
call dword [sym.imp.ADVAPI32.dll_CryptDestroyKey]
push 0
push dword [esp + 8]
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
mov ecx, dword [esp + 0x24]
mov al, 1
pop edi
xor ecx, esp
call fcn.0049ca2c
add esp, 0x24
ret
Function at 0x49aa40
Capabilities:
Hash data using md4
Hash data via wincrypt
Initialize hashing via wincrypt

Disassembly:
sub esp, 0xc
push 0xf0000000
push 1
push 0
push 0
lea eax, [esp + 0x14]
mov dword [esp + 0x14], 0
push eax
mov dword [esp + 0x1c], 0
call dword [sym.imp.ADVAPI32.dll_CryptAcquireContextA]
test eax, eax
je 0x49aa85
lea eax, [esp + 8]
push eax
push 0
push 0
push 0x8002
push dword [esp + 0x14]
call dword [sym.imp.ADVAPI32.dll_CryptCreateHash]
push dword [esp + 0x18]
call fcn.00467c90
add esp, 4
push 0
push eax
push dword [esp + 0x1c]
push dword [esp + 0x14]
call dword [sym.imp.ADVAPI32.dll_CryptHashData]
push 0
lea eax, [esp + 4]
mov dword [esp + 4], 0
push eax
push 0
push 2
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
cmp dword [esp], 0x10
jne 0x49aadc
push 0
lea eax, [esp + 4]
push eax
push dword [esp + 0x18]
push 2
push dword [esp + 0x18]
call dword [sym.imp.ADVAPI32.dll_CryptGetHashParam]
mov eax, dword [esp + 8]
test eax, eax
je 0x49aaeb
push eax
call dword [sym.imp.ADVAPI32.dll_CryptDestroyHash]
mov eax, dword [esp + 4]
test eax, eax
je 0x49aafc
push 0
push eax
call dword [sym.imp.ADVAPI32.dll_CryptReleaseContext]
add esp, 0xc
ret

Function at 0x49ab50
Capabilities:
Authenticate hmac
Encode data using xor

Disassembly:
push ecx
push esi
mov esi, dword [esp + 0xc]
push edi
mov ecx, dword [esi + 0xc]
mov eax, dword [esi + 0x14]
lea eax, [eax + ecx*2]
add eax, 0xc
push eax
call dword [section..data]
mov edi, eax
add esp, 4
test edi, edi
jne 0x49ab77
pop edi
pop esi
pop ecx
ret
lea ecx, [edi + 0xc]
mov dword [edi], esi
mov dword [edi + 4], ecx
mov eax, dword [esi + 0xc]
add eax, ecx
push ebx
mov ebx, dword [esp + 0x1c]
mov dword [edi + 8], eax
push ebp
cmp ebx, dword [esi + 0x10]
jbe 0x49abc2
mov eax, dword [esi]
push ecx
call eax
mov eax, dword [esi + 4]
push ebx
push dword [esp + 0x24]
push dword [edi + 4]
call eax
mov ebp, dword [edi + 8]
push dword [edi + 4]
add ebp, dword [esi + 0xc]
mov eax, dword [esi + 8]
push ebp
call eax
mov ebx, dword [esi + 0x14]
add esp, 0x18
mov ecx, dword [edi + 4]
mov dword [esp + 0x20], ebx
jmp 0x49abc6
mov ebp, dword [esp + 0x1c]
mov eax, dword [esi]
push ecx
call eax
push dword [edi + 8]
mov eax, dword [esi]
call eax
mov eax, dword [esp + 0x28]
add esp, 8
xor ebx, ebx
test eax, eax
je 0x49ac26
mov dword [esp + 0x10], eax
mov ebx, eax
movzx eax, byte [ebp]
xor al, 0x36
mov byte [esp + 0x18], al
lea eax, [esp + 0x18]
push 1
push eax
push dword [edi + 4]
mov eax, dword [esi + 4]
call eax
movzx eax, byte [ebp]
lea ebp, [ebp + 1]
xor al, 0x5c
mov byte [esp + 0x24], al
lea eax, [esp + 0x24]
push 1
push eax
push dword [edi + 8]
mov eax, dword [esi + 4]
call eax
add esp, 0x18
sub ebx, 1
jne 0x49abe5
mov ebx, dword [esp + 0x10]
cmp ebx, dword [esi + 0x10]
jae 0x49ac57
nop dword [eax + eax]
mov eax, dword [esi + 4]
push 1
push 0x4fdd96
push dword [edi + 4]
call eax
mov eax, dword [esi + 4]
push 1
push 0x4fdd97
push dword [edi + 8]
call eax
inc ebx
add esp, 0x18
cmp ebx, dword [esi + 0x10]
jb 0x49ac30
pop ebp
pop ebx
mov eax, edi
pop edi
pop esi
pop ecx
ret
Function at 0x49eb8a
Capabilities:
Create thread

Disassembly:
push ebp
mov ebp, esp
push dword [ebp + 0x1c]
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_CreateThread]
pop ebp
ret

Function at 0x4cf13b
Capabilities:
Read file on windows

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004cefba

Function at 0x4d3edd
Capabilities:
Set environment variable

Disassembly:
mov edi, edi
push ebp
mov ebp, esp
pop ebp
jmp fcn.004d3b9d

Function at 0x4dbd60
Capabilities:
Send data
Send data on socket

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4f02d8
mov eax, dword fs:[0]
push eax
sub esp, 0x10
push ebx
push esi
push edi
mov eax, dword [0x52a098]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, ecx
cmp dword [ebx + 0x40058], 0
je 0x4dbeee
cmp dword [ebx + 4], 0xffffffff
je 0x4dbeee
cmp dword [ebx + 0x40028], 0
je 0x4dbeee
xor eax, eax
mov dword [ebp - 0x1c], vtable.DataPack.0
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x10], eax
mov dword [ebp - 0x14], eax
mov esi, dword [ebp + 0xc]
mov dword [ebp - 4], eax
cmp dword [0x53af64], eax
je 0x4dbe41
mov eax, dword [0x53af60]
push esi
push dword [ebp + 8]
inc eax
push 0x53ba54
mov dword [0x53af60], eax
mov dword [0x53ba50], eax
call fcn.004b5a10
add esp, 8
lea edx, [esi + 4]
mov ecx, 0x53ba50
call fcn.004dc7e0
add esp, 4
mov dword [esi + 0x53ba54], eax
add esi, 8
mov dword [ebp + 0xc], esi
push 0x53ba50
push 0x53ba50
push esi
call fcn.004df2e0
push esi
mov dword [ebp - 0x18], esi
call fcn.0049ccf0
push esi
mov edi, eax
push 0x53ba50
push edi
mov dword [ebp - 0x10], edi
call fcn.004b5a10
add esp, 0x10
mov dword [ebp + 8], edi
jmp 0x4dbe4a
mov eax, dword [ebp + 8]
mov dword [ebp + 0xc], esi
mov dword [ebp + 8], eax
lea eax, [esi + 6]
cmp eax, 0xc8
jg 0x4dbee3
mov esi, dword [sym.imp.WS2_32.dll_htons]
lea edi, [ebx + 0x28]
push 0xaa55
call esi
mov word [edi], ax
mov eax, dword [ebp + 0xc]
push eax
push dword [ebp + 8]
mov word [edi + 2], ax
add edi, 4
push edi
call fcn.004b5a10
add esp, 0xc
push 0x55aa
call esi
mov ecx, dword [ebp + 0xc]
xor esi, esi
mov word [edi + ecx], ax
lea edi, [ecx + 6]
test edi, edi
jle 0x4dbedd
nop dword [eax]
push 0
push edi
lea eax, [ebx + 0x28]
push eax
push dword [ebx + 4]
call dword [sym.imp.WS2_32.dll_send]
cmp eax, 0xffffffff
je 0x4dbec1
test eax, eax
je 0x4dbebb
add esi, eax
cmp esi, edi
jl 0x4dbea0
jmp 0x4dbedd
push 0x138
push str.APISocket.cpp
push str.socket_send_error_
push 0x51d4b0
call fcn.00444700
add esp, 0x10
add dword [ebx + 0x40040], edi
push dword [ebp - 0x10]
call fcn.0049ca3d
add esp, 4
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8
Function at 0x4dc1f0
Capabilities:
Receive data
Receive data on socket
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
push ecx
push ebx
push esi
mov esi, ecx
push edi
mov eax, dword [esi + 4]
cmp eax, 0xffffffff
je 0x4dc27b
cmp dword [esi + 0x40028], 0
je 0x4dc27b
lea ecx, [ebp - 4]
xor edi, edi
push ecx
push 0x4004667f
push eax
call dword [sym.imp.WS2_32.dll_ioctlsocket]
cmp dword [ebp - 4], edi
jbe 0x4dc270
lea ebx, [esi + 0x28]
push 0
push 0x40000
push ebx
push dword [esi + 4]
call dword [sym.imp.WS2_32.dll_recv]
cmp eax, 0xffffffff
je 0x4dc254
test eax, eax
je 0x4dc24d
push eax
push ebx
lea ecx, [esi + 0x4002c]
add edi, eax
call fcn.004448a0
cmp edi, dword [ebp - 4]
jb 0x4dc224
jmp 0x4dc270
push 0xb2
push 0x51d3dc
push str.socket_receive_error_
push 0x51d404
call fcn.00444700
add esp, 0x10
mov ecx, esi
call fcn.004dbf10
test eax, eax
jne 0x4dc270
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
Function at 0x4dc290
Capabilities:
Act as tcp client
Connect socket
Connect tcp socket
Connect udp socket
Create tcp socket
Create udp socket
Get socket status
Resolve dns
Set socket configuration

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff0
sub esp, 0x248
mov eax, dword [0x52a098]
xor eax, esp
mov dword [esp + 0x244], eax
mov eax, dword [ebp + 8]
push esi
mov esi, dword [ebp + 0xc]
mov dword [esp + 0xc], eax
mov dword [esp + 0x10], esi
push edi
mov edi, ecx
test esi, esi
je 0x4dc471
cmp dword [ebp + 0x10], 0
je 0x4dc471
cmp dword [edi + 4], 0xffffffff
je 0x4dc2d9
call fcn.004dc490
mov al, byte [esi]
cmp al, 0x30
jl 0x4dc30b
cmp al, 0x39
jg 0x4dc30b
xorps xmm0, xmm0
mov eax, 2
movaps xmmword [esp + 0x230], xmm0
push esi
mov word [esp + 0x234], ax
call dword [sym.imp.WS2_32.dll_inet_addr]
mov dword [esp + 0x234], eax
jmp 0x4dc34d
push esi
call dword [sym.imp.WS2_32.dll_gethostbyname]
mov esi, eax
test esi, esi
je 0x4dc471
xorps xmm0, xmm0
movaps xmmword [esp + 0x230], xmm0
movsx eax, word [esi + 0xa]
push eax
mov eax, dword [esi + 0xc]
push dword [eax]
lea eax, [esp + 0x23c]
push eax
call fcn.004b5a10
mov ax, word [esi + 8]
add esp, 0xc
mov word [esp + 0x230], ax
push dword [ebp + 0x10]
call dword [sym.imp.WS2_32.dll_htons]
push 6
push 1
push 2
mov word [esp + 0x23e], ax
mov dword [esp + 0x24], 1
mov dword [esp + 0x28], 0
call dword [sym.imp.WS2_32.dll_socket]
mov esi, eax
mov dword [esp + 0xc], 1
lea eax, [esp + 0xc]
push eax
push 0x8004667e
push esi
call dword [sym.imp.WS2_32.dll_ioctlsocket]
test eax, eax
jne 0x4dc471
push 0x10
lea eax, [esp + 0x234]
push eax
push esi
call dword [sym.imp.WS2_32.dll_connect]
test eax, eax
je 0x4dc471
lea eax, [esp + 0xc]
mov dword [esp + 0xc], 0
push eax
push 0x8004667e
push esi
call dword [sym.imp.WS2_32.dll_ioctlsocket]
test eax, eax
jne 0x4dc471
lea eax, [esp + 0x18]
mov dword [esp + 0x24], esi
push eax
lea eax, [esp + 0x12c]
mov dword [esp + 0x24], 1
push eax
lea eax, [esp + 0x28]
mov dword [esp + 0x134], esi
push eax
push 0
push 0
mov dword [esp + 0x13c], 1
call dword [sym.imp.WS2_32.dll_select]
lea eax, [esp + 0x20]
push eax
push esi
call dword [sym.imp.WS2_32.dll___WSAFDIsSet]
test eax, eax
je 0x4dc471
push 0x31
push 0x401
push dword [esp + 0x18]
mov dword [edi + 4], esi
push esi
call dword [sym.imp.WS2_32.dll_WSAAsyncSelect]
mov eax, dword [esp + 0x10]
lea ecx, [edi + 0xc]
push dword [esp + 0x14]
mov dword [edi + 8], eax
call fcn.00444bc0
mov eax, dword [ebp + 0x10]
mov dword [edi + 0x24], eax
xor eax, eax
mov dword [edi + 0x40028], 1
pop edi
pop esi
mov ecx, dword [esp + 0x244]
xor ecx, esp
call fcn.0049ca2c
mov esp, ebp
pop ebp
ret 0xc
mov ecx, dword [esp + 0x24c]
or eax, 0xffffffff
pop edi
pop esi
xor ecx, esp
call fcn.0049ca2c
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4dc680
Capabilities:
Initialize winsock library

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4f035b
mov eax, dword fs:[0]
push eax
sub esp, 8
push ebx
push esi
push edi
mov eax, dword [0x52a098]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0x10], esi
lea edi, [esi + 0xc]
mov dword [esi], vtable.CAPISocket.0
mov dword [edi + 0x14], 0xf
mov dword [edi + 0x10], 0
cmp dword [edi + 0x14], 0x10
jb 0x4dc6ce
mov eax, dword [edi]
jmp 0x4dc6d0
mov eax, edi
mov byte [eax], 0
mov dword [ebp - 4], 0
push 0x40000
mov dword [esi + 0x4002c], 0x51fd64
mov dword [esi + 0x40030], 0x40000
call fcn.0049ccf0
mov dword [esi + 0x40034], eax
mov dword [esi + 0x40038], 0
mov dword [esi + 0x4003c], 0
lea ebx, [esi + 0x40044]
mov byte [ebp - 4], 1
push 8
mov dword [ebp - 0x14], ebx
mov dword [ebx], 0
mov dword [ebx + 4], 0
mov dword [ebx + 8], 0
mov dword [ebx + 0xc], 0
mov dword [ebx + 0x10], 0
call fcn.0049ca42
add esp, 8
mov dword [ebx], eax
test eax, eax
je 0x4dc75e
mov dword [eax], 0
mov dword [eax + 4], 0
mov eax, dword [ebx]
mov dword [eax], ebx
mov dword [esi + 4], 0xffffffff
mov dword [esi + 8], 0
cmp dword [edi + 0x14], 0x10
mov dword [edi + 0x10], 0
jb 0x4dc77f
mov edi, dword [edi]
mov eax, dword [0x53af68]
mov ecx, eax
inc eax
mov byte [edi], 0
mov dword [esi + 0x24], 0
mov dword [0x53af68], eax
test ecx, ecx
jne 0x4dc7aa
push 0x53b7d0
push 0x101
call dword [sym.imp.WS2_32.dll_WSAStartup]
mov dword [esi + 0x40040], 0
mov eax, esi
mov dword [esi + 0x40028], 0
mov dword [esi + 0x40058], 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret

Function at 0x4dc7e0
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebx
push esi
push edi
mov edi, edx
or eax, 0xffffffff
xor esi, esi
mov ebx, ecx
test edi, edi
je 0x4dc808
movzx edx, byte [esi + ebx]
inc esi
xor edx, eax
shr eax, 8
movzx ecx, dl
xor eax, dword [ecx*4 + 0x51d540]
cmp esi, edi
jb 0x4dc7f0
pop edi
pop esi
pop ebx
ret