joyce8/EMBER2024-capa huggingface dataset:
Function at 0x493c40
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x1c
push ebx
mov ebx, ecx
push esi
push edi
cmp dword [ebx + 0x38], 0
je 0x493c6c
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push dword [ebp + 8]
call dword [sym.imp.MSVCP140.dll_protected_virtual:_long_long___int64____thiscall_std::basic_streambuf_char__struct_std::char_traits_char__::xsputn_char_const___long_long___int64__]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebx + 0x20]
mov esi, dword [ebp + 0xc]
mov edi, dword [ebp + 0x10]
mov dword [esp + 0x20], esi
mov ecx, dword [eax]
lea eax, [ebx + 0x30]
mov dword [esp + 0x24], edi
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x18], eax
test ecx, ecx
je 0x493c94
mov eax, dword [eax]
mov ecx, dword [eax]
jmp 0x493c9a
xor ecx, ecx
mov dword [esp + 0x18], eax
mov eax, ecx
cdq
mov dword [esp + 0x10], eax
mov ecx, edx
mov dword [esp + 0x14], ecx
test edi, edi
jl 0x493d02
jg 0x493cb1
test esi, esi
je 0x493d02
test ecx, ecx
jl 0x493cfd
jg 0x493cbb
test eax, eax
je 0x493cfd
cmp edi, ecx
jg 0x493ccf
jl 0x493cc5
cmp esi, eax
jae 0x493ccf
mov eax, esi
mov dword [esp + 0x10], esi
mov dword [esp + 0x14], edi
push eax
push dword [ebp + 8]
push dword [esp + 0x24]
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [esp + 0x24]
add esp, 0xc
mov edx, dword [esp + 0x10]
mov ecx, dword [ebp + 8]
add ecx, edx
sub esi, edx
mov eax, dword [eax]
sbb edi, dword [esp + 0x14]
sub dword [eax], edx
mov eax, dword [ebx + 0x20]
add dword [eax], edx
jmp 0x493d05
mov ecx, dword [ebp + 8]
jmp 0x493d0f
mov ecx, dword [ebp + 8]
test edi, edi
jl 0x493d29
jg 0x493d0f
test esi, esi
je 0x493d29
mov eax, dword [ebx + 0x4c]
test eax, eax
je 0x493d29
push eax
push esi
push 1
push ecx
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
sub esi, eax
sbb edi, 0
mov eax, dword [esp + 0x20]
mov edx, dword [esp + 0x24]
sub eax, esi
sbb edx, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x493d40
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
mov eax, dword [ebp + 0x10]
push ebx
mov ebx, ecx
mov ecx, dword [ebp + 0xc]
push esi
mov esi, dword [ebp + 8]
mov dword [ebp - 4], esi
test eax, eax
jg 0x493d6c
jl 0x493d60
test ecx, ecx
jne 0x493d6c
pop esi
xor eax, eax
xor edx, edx
pop ebx
mov esp, ebp
pop ebp
ret 0xc
cmp dword [ebx + 0x38], 0
je 0x493d85
push eax
push ecx
push esi
mov ecx, ebx
call dword [sym.imp.MSVCP140.dll_protected_virtual:_long_long___int64____thiscall_std::basic_streambuf_char__struct_std::char_traits_char__::xsgetn_char___long_long___int64__]
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebx + 0x1c]
push edi
mov edi, ecx
mov eax, dword [eax]
mov dword [ebp - 8], eax
test eax, eax
je 0x493dcd
mov eax, dword [ebx + 0x2c]
lea edx, [ebx + 0x2c]
mov dword [ebp - 0xc], edx
mov eax, dword [eax]
test eax, eax
je 0x493dd3
cmp eax, ecx
mov esi, ecx
cmovb esi, eax
push esi
push dword [ebp - 8]
push dword [ebp - 4]
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x2c]
sub edi, esi
add dword [ebp - 4], esi
add esp, 0xc
sub dword [eax], esi
mov eax, dword [ebx + 0x1c]
add dword [eax], esi
mov esi, dword [ebp - 4]
jmp 0x493dd3
lea eax, [ebx + 0x2c]
mov dword [ebp - 0xc], eax
cmp dword [ebx + 0x4c], 0
je 0x493e46
mov ecx, dword [ebx + 0xc]
lea eax, [ebx + 0x3c]
cmp dword [ecx], eax
jne 0x493dfc
mov eax, dword [ebx + 0xc]
mov edx, dword [ebx + 0x54]
mov ecx, dword [ebx + 0x50]
sub edx, ecx
mov dword [eax], ecx
mov eax, dword [ebx + 0x1c]
mov dword [eax], ecx
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
mov dword [eax], edx
mov eax, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
cmp edi, 0xfff
jbe 0x493e34
nop dword [eax]
push dword [ebx + 0x4c]
push 0xfff
push 1
push esi
call eax
add esp, 0x10
add esi, eax
sub edi, eax
cmp eax, 0xfff
jne 0x493e46
cmp edi, eax
mov eax, dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fread]
ja 0x493e10
test edi, edi
je 0x493e46
push dword [ebx + 0x4c]
push edi
push 1
push esi
call eax
add esp, 0x10
sub edi, eax
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
sub eax, edi
pop edi
pop esi
sbb edx, 0
pop ebx
mov esp, ebp
pop ebp
ret 0xc
Function at 0x4941c0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x30
mov eax, dword [0x681c40]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, dword [ebp + 8]
push esi
mov esi, ecx
cmp ebx, 0xffffffff
jne 0x4941f0
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.005f582b
mov esp, ebp
pop ebp
ret 4
mov eax, dword [esi + 0x20]
push edi
mov ecx, dword [eax]
test ecx, ecx
je 0x49422c
mov edx, dword [esi + 0x30]
mov edi, dword [edx]
lea eax, [edi + ecx]
cmp ecx, eax
jae 0x49422c
lea ecx, [edi - 1]
mov eax, ebx
mov dword [edx], ecx
mov edx, dword [esi + 0x20]
pop edi
mov esi, dword [edx]
lea ecx, [esi + 1]
mov dword [edx], ecx
mov byte [esi], bl
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.005f582b
mov esp, ebp
pop ebp
ret 4
cmp dword [esi + 0x4c], 0
je 0x494303
mov edi, dword [esi + 0xc]
lea eax, [esi + 0x3c]
cmp dword [edi], eax
jne 0x494254
mov edx, dword [esi + 0x54]
mov ecx, dword [esi + 0x50]
sub edx, ecx
mov dword [edi], ecx
mov eax, dword [esi + 0x1c]
mov dword [eax], ecx
mov eax, dword [esi + 0x2c]
mov dword [eax], edx
mov ecx, dword [esi + 0x38]
test ecx, ecx
jne 0x494260
movsx eax, bl
jmp 0x494298
lea eax, [ebp - 0x2c]
mov byte [ebp - 0x25], bl
push eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x30]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp - 0x25]
push eax
lea eax, [esi + 0x40]
push eax
call dword [sym.imp.MSVCP140.dll_public:_int___thiscall_std::codecvt_char__char__struct__Mbstatet_::out_struct__Mbstatet___char_const___char_const___char_const____char___char___char___const]
sub eax, 0
je 0x4942c2
sub eax, 1
je 0x4942c2
sub eax, 2
jne 0x494303
movsx eax, byte [ebp - 0x25]
push dword [esi + 0x4c]
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fputc]
add esp, 8
or ecx, 0xffffffff
cmp eax, ecx
cmove ebx, ecx
pop edi
pop esi
mov eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.005f582b
mov esp, ebp
pop ebp
ret 4
mov edi, dword [ebp - 0x2c]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x4942e0
push dword [esi + 0x4c]
push edi
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
cmp edi, eax
jne 0x494303
lea ecx, [ebp - 0x25]
mov byte [esi + 0x3d], 1
or eax, 0xffffffff
cmp dword [ebp - 0x30], ecx
pop edi
pop esi
cmovne eax, ebx
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.005f582b
mov esp, ebp
pop ebp
ret 4
mov ecx, dword [ebp - 4]
or eax, 0xffffffff
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.005f582b
mov esp, ebp
pop ebp
ret 4
Function at 0x4943c0
Capabilities:
Encode data using add xor sub operations
Encode data using xor

Disassembly:
push edi
mov edi, ecx
cmp byte [edi + 9], 0
je 0x49443a
movups xmm4, xmmword [0x673020]
mov eax, 0x42
push ebx
push esi
lea ebx, [eax - 0x40]
nop word [eax + eax]
lea ecx, [eax - 1]
movd xmm2, eax
lea esi, [eax - 3]
movd xmm0, ecx
movd xmm3, esi
lea edx, [eax - 2]
punpckldq xmm3, xmm0
movd xmm0, dword [edi + eax - 0x42]
punpcklbw xmm0, xmm0
movd xmm1, edx
punpcklwd xmm0, xmm0
punpckldq xmm1, xmm2
punpckldq xmm3, xmm1
psrad xmm0, 0x18
xorps xmm3, xmm0
andps xmm3, xmm4
packuswb xmm3, xmm3
packuswb xmm3, xmm3
movd dword [edi + eax - 0x42], xmm3
add eax, 4
sub ebx, 1
jne 0x4943e0
pop esi
pop ebx
mov byte [edi + 9], 0
pop edi
ret

Function at 0x4964a0
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x681c40]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
mov esi, ecx
cmp dword [esi + 0x38], 0
je 0x49655c
cmp byte [esi + 0x3d], 0
je 0x49655c
mov eax, dword [esi]
push edi
push 0xffffffffffffffff
call dword [eax + 0xc]
cmp eax, 0xffffffff
je 0x49654a
mov ecx, dword [esi + 0x38]
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp - 0x24]
push eax
lea eax, [esi + 0x40]
push eax
call dword [sym.imp.MSVCP140.dll_public:_int___thiscall_std::codecvt_char__char__struct__Mbstatet_::unshift_struct__Mbstatet___char___char___char___const]
sub eax, 0
je 0x496511
sub eax, 1
je 0x496515
sub eax, 2
jne 0x49654a
mov byte [esi + 0x3d], al
mov al, 1
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.005f582b
mov esp, ebp
pop ebp
ret
mov byte [esi + 0x3d], 0
mov edi, dword [ebp - 0x28]
lea eax, [ebp - 0x24]
sub edi, eax
je 0x496533
push dword [esi + 0x4c]
push edi
push 1
push eax
call dword [sym.imp.api_ms_win_crt_stdio_l1_1_0.dll_fwrite]
add esp, 0x10
cmp edi, eax
jne 0x49654a
cmp byte [esi + 0x3d], 0
pop edi
sete al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.005f582b
mov esp, ebp
pop ebp
ret
pop edi
xor al, al
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.005f582b
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov al, 1
xor ecx, ebp
pop esi
call fcn.005f582b
mov esp, ebp
pop ebp
ret

Function at 0x4a8640
Capabilities:
Hash data using murmur3
Resolve function by parsing pe exports

Disassembly:
cmp byte [0x6852a4], 0
jne 0x4a864e
call fcn.004bcca0
cmp byte [0x6852ad], 0
je 0x4a866c
push 0
push 0x40
push dword [esp + 0x10]
push dword [esp + 0x10]
call fcn.004bd030
add esp, 0x10
ret
jmp fcn.004a69f0
Function at 0x4c7a80
Capabilities:
Encode data using xor
Hash data using djb2

Disassembly:
sub esp, 0x18
mov eax, dword [0x681c40]
xor eax, esp
mov dword [esp + 0x14], eax
push esi
mov esi, dword [esp + 0x20]
test esi, esi
je 0x4c7b4b
lea eax, [esp + 4]
push eax
push esi
push 2
call fcn.004e13f0
add esp, 0xc
test eax, eax
jne 0x4c7b4b
lea eax, [esp + 8]
push eax
push esi
push 0x17
call fcn.004e13f0
add esp, 0xc
test eax, eax
jne 0x4c7b4b
push ebx
push edi
mov edi, esi
xor ebx, ebx
lea ecx, [edi + 1]
mov al, byte [edi]
inc edi
test al, al
jne 0x4c7ad4
sub edi, ecx
push edi
push 0x2e
push esi
call fcn.004e13c0
add esp, 0xc
test eax, eax
je 0x4c7b08
sub eax, esi
push eax
push 0x2e
push esi
call fcn.004e13c0
mov ebx, eax
add esp, 0xc
test ebx, ebx
je 0x4c7b0a
inc ebx
mov ecx, esi
sub ecx, ebx
add edi, ecx
test ebx, ebx
cmovne esi, ebx
mov ebx, 0x1505
add edi, esi
cmp esi, edi
jae 0x4c7b36
mov al, byte [esi]
push eax
call fcn.004d5c50
movsx ecx, al
inc esi
mov eax, ebx
add esp, 4
shl eax, 5
add eax, ebx
xor ecx, eax
mov ebx, ecx
cmp esi, edi
jb 0x4c7b18
pop edi
movzx eax, bl
pop ebx
pop esi
mov ecx, dword [esp + 0x14]
xor ecx, esp
call fcn.005f582b
add esp, 0x18
ret
mov ecx, dword [esp + 0x18]
xor eax, eax
pop esi
xor ecx, esp
call fcn.005f582b
add esp, 0x18
ret

Function at 0x4c87a0
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [0x67e0ec]
cmp eax, 0xffffffff
jne 0x4c87e2
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x4c87c8
xor eax, eax
test eax, eax
mov dword [0x67e0ec], eax
setg al
ret
push eax
push 0
mov dword [0x67e0ec], 1
call fcn.004d1e80
mov eax, dword [0x67e0ec]
add esp, 8
test eax, eax
setg al
ret

Function at 0x4c87f0
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x2f0], 2
jne 0x4c8845
mov eax, dword [0x67e0ec]
cmp eax, 0xffffffff
jne 0x4c883f
push 0
push 2
push 0x17
call dword [sym.imp.WS2_32.dll_socket]
cmp eax, 0xffffffff
jne 0x4c8825
xor eax, eax
test eax, eax
mov dword [0x67e0ec], eax
setg al
ret
push eax
push 0
mov dword [0x67e0ec], 1
call fcn.004d1e80
mov eax, dword [0x67e0ec]
add esp, 8
test eax, eax
setg al
ret
mov al, 1
ret
Function at 0x4d1340
Capabilities:
Write file on windows

Disassembly:
push edi
mov edi, dword [esp + 8]
cmp dword [edi + 0x608], 0
je 0x4d1384
push esi
push 1
push edi
call fcn.004c3960
push dword [edi + 0x59c]
mov eax, dword [edi + 0x608]
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.004c3960
add esp, 0x24
mov eax, esi
pop esi
pop edi
ret
mov eax, dword [esp + 0xc]
cmp eax, 2
ja 0x4d13bd
push dword [edi + 0x598]
lea eax, [eax + eax*2]
push 1
add eax, 0x6019b8
push 2
push eax
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fwrite
push dword [edi + 0x598]
push 1
push dword [esp + 0x2c]
push dword [esp + 0x2c]
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fwrite
add esp, 0x20
xor eax, eax
pop edi
ret

Function at 0x4d19b0
Capabilities:
Receive data
Receive data on socket
Send data
Send data on socket

Disassembly:
sub esp, 0x8c
mov eax, dword [0x681c40]
xor eax, esp
mov dword [esp + 0x88], eax
mov eax, dword [esp + 0x98]
mov edx, dword [esp + 0x94]
push ebx
mov ebx, dword [esp + 0x94]
mov dword [esp + 8], eax
xor eax, eax
push ebp
mov ebp, dword [esp + 0xa8]
mov ecx, dword [ebx + 0x1c4]
cmp edx, ecx
push esi
sete al
mov esi, 0x1e4
push edi
lea eax, [eax*4 + 0x1c0]
mov eax, dword [eax + ebx]
mov dword [esp + 0x10], eax
mov eax, 0x1f4
cmove esi, eax
mov eax, dword [ebx + 0x2e8]
add esi, ebx
mov edi, dword [esi + 4]
sub edi, dword [esi + 8]
test byte [eax + 0x40], 3
je 0x4d1abe
xor eax, eax
cmp edx, ecx
sete al
lea eax, [eax*4 + 0x1d4]
cmp dword [eax + ebx], 0x4d1680
jne 0x4d1abe
cmp dword [esi], 0
je 0x4d1a48
test edi, edi
je 0x4d1abe
push 0
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push dword [esp + 0x20]
call fcn.004d4390
add esp, 0x14
cmp eax, 0xffffffff
je 0x4d1abe
test al, 1
je 0x4d1abe
mov ecx, dword [esi]
test ecx, ecx
jne 0x4d1a9b
mov eax, dword [ebx]
mov eax, dword [eax + 0x8fc]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x67e0d8]
mov edi, dword [esi + 4]
mov ecx, eax
add esp, 4
mov dword [esi], ecx
mov dword [esi + 8], 0
mov dword [esi + 0xc], 0
test ecx, ecx
je 0x4d1ab7
mov eax, dword [esi + 8]
push 0
push edi
add eax, ecx
push eax
push dword [esp + 0x1c]
call dword [sym.imp.WS2_32.dll_recv]
test eax, eax
jle 0x4d1abe
add dword [esi + 8], eax
jmp 0x4d1abe
mov dword [esi + 4], 0
push 0
push dword [esp + 0xb0]
push dword [esp + 0x1c]
push dword [esp + 0x1c]
call dword [sym.imp.WS2_32.dll_send]
mov edi, eax
cmp edi, 0xffffffff
jne 0x4d1b27
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov esi, eax
cmp esi, 0x2733
jne 0x4d1af8
mov dword [ebp], 0
lea eax, [edi + 0x52]
jmp 0x4d1b2c
push 0x80
lea eax, [esp + 0x1c]
push eax
push esi
call fcn.004bf8e0
push eax
push str.Send_failure:__s
push dword [ebx]
call fcn.004d13d0
mov eax, dword [ebx]
add esp, 0x18
mov dword [eax + 0xcec], esi
mov eax, 0x37
jmp 0x4d1b29
xor eax, eax
mov dword [ebp], edi
mov ecx, dword [esp + 0x98]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.005f582b
add esp, 0x8c
ret
Function at 0x4d3990
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 0x4d39aa
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 0x601e40
push esi
call sub.api_ms_win_crt_string_l1_1_0.dll_strpbrk
add esp, 8
test eax, eax
je 0x4d39f2
test ebp, ebp
je 0x4d39e3
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 0x4d3a18
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4d3a18
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 0x4d3acf
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d3a35
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x67e0d8]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4d3ac5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4d3ac5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4d3a67
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 0x4d3a80
sub ecx, edx
sub ecx, esi
add ecx, ebx
nop dword [eax]
mov al, byte [esi]
lea esi, [esi + 1]
mov byte [ecx + esi - 1], al
test al, al
jne 0x4d3a90
test ebp, ebp
je 0x4d3abc
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x67e0dc]
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 [0x67e0dc]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x4df940
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, 0x34
mov eax, dword [0x681c40]
xor eax, esp
mov dword [esp + 0x30], eax
push ebx
mov ebx, dword [esp + 0x48]
push esi
mov esi, dword [sym.imp.WS2_32.dll_socket]
push edi
push 6
push 1
push 2
mov dword [esp + 0x1c], 0x10
mov dword [esp + 0x18], 1
call esi
mov edi, eax
cmp edi, 0xffffffff
je 0x4dfb26
xorps xmm0, xmm0
mov eax, 2
push 0x7f000001
movlpd qword [esp + 0x20], xmm0
mov word [esp + 0x18], ax
call dword [sym.imp.WS2_32.dll_htonl]
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 0x4dfb14
push 0x10
lea eax, [esp + 0x18]
push eax
push edi
call dword [sym.imp.WS2_32.dll_bind]
cmp eax, 0xffffffff
je 0x4dfb14
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 0x4dfb14
push 1
push edi
call dword [sym.imp.WS2_32.dll_listen]
cmp eax, 0xffffffff
je 0x4dfb14
push 0
push 1
push 2
call esi
mov dword [ebx], eax
cmp eax, 0xffffffff
je 0x4dfb14
push 0x10
lea ecx, [esp + 0x18]
push ecx
push eax
call dword [sym.imp.WS2_32.dll_connect]
cmp eax, 0xffffffff
je 0x4dfb14
push 0
push 0
push edi
call dword [sym.imp.WS2_32.dll_accept]
mov dword [ebx + 4], eax
cmp eax, 0xffffffff
je 0x4dfb14
push ebx
push 0x603824
lea eax, [esp + 0x2c]
push 0xc
push eax
call fcn.004d4920
lea esi, [esp + 0x34]
add esp, 0x10
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4dfa72
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 0x4dfb14
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 0x4dfb14
lea ecx, [esp + 0x24]
lea edx, [esp + 0x30]
sub esi, 4
jb 0x4dfac7
mov eax, dword [ecx]
cmp eax, dword [edx]
jne 0x4dfacc
add ecx, 4
add edx, 4
sub esi, 4
jae 0x4dfab6
cmp esi, 0xfffffffc
je 0x4dfaf9
mov al, byte [ecx]
cmp al, byte [edx]
jne 0x4dfb14
cmp esi, 0xfffffffd
je 0x4dfaf9
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x4dfb14
cmp esi, 0xfffffffe
je 0x4dfaf9
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x4dfb14
cmp esi, 0xffffffff
je 0x4dfaf9
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x4dfb14
push edi
call dword [sym.imp.WS2_32.dll_closesocket]
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [esp + 0x30]
xor ecx, esp
call fcn.005f582b
add esp, 0x34
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
mov ecx, dword [esp + 0x3c]
or eax, 0xffffffff
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.005f582b
add esp, 0x34
ret
Function at 0x4e1dd0
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 0x4e1f82
push ebx
mov ebx, dword [esp + 0xc]
push edi
test ebx, ebx
je 0x4e1f6c
push ebp
mov eax, dword [ebx + 4]
cmp eax, 2
jne 0x4e1e1f
lea ebp, [eax + 0xe]
jmp 0x4e1e2b
cmp eax, 0x17
jne 0x4e1ed9
lea ebp, [eax + 5]
cmp dword [ebx + 0x18], 0
je 0x4e1ed9
mov eax, dword [ebx + 0x10]
test eax, eax
je 0x4e1ed9
cmp eax, ebp
jb 0x4e1ed9
push 0x20
call dword [0x67e0d8]
mov edi, eax
add esp, 4
test edi, edi
je 0x4e1f61
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 [0x67e0d8]
add esp, 4
mov dword [edi + 0x18], eax
test eax, eax
je 0x4e1f50
push ebp
push dword [ebx + 0x18]
push eax
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x14]
add esp, 0xc
test eax, eax
je 0x4e1ec5
push eax
call dword [0x67e0e4]
add esp, 4
mov dword [edi + 0x14], eax
test eax, eax
je 0x4e1f36
mov eax, dword [esp + 0x10]
test esi, esi
cmove esi, edi
test eax, eax
je 0x4e1ed5
mov dword [eax + 0x1c], edi
mov dword [esp + 0x10], edi
mov ebx, dword [ebx + 0x1c]
test ebx, ebx
jne 0x4e1e12
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop ebp
test eax, eax
je 0x4e1ef8
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x4e1f68
test esi, esi
je 0x4e1f25
push dword [esi + 0x18]
call dword [0x67e0dc]
push dword [esi + 0x14]
call dword [0x67e0dc]
mov edi, dword [esi + 0x1c]
push esi
call dword [0x67e0dc]
add esp, 0xc
mov esi, edi
test edi, edi
jne 0x4e1f00
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 [0x67e0dc]
push edi
call dword [0x67e0dc]
add esp, 8
jmp 0x4e1ee8
push edi
mov ebx, 8
call dword [0x67e0dc]
add esp, 4
jmp 0x4e1ee8
mov ebx, 8
jmp 0x4e1ee8
test esi, esi
jne 0x4e1f78
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