joyce8/EMBER2024-capa huggingface dataset:
Function at 0x4054a0
Capabilities:
Read file on windows

Disassembly:
sub esp, 0x18
push 0x1000
push 0
push dword [0x44627c]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, eax
mov dword [esp + 8], ecx
test ecx, ecx
je 0x40564d
mov ax, word [esp]
push ebx
mov ebx, dword [esp + 0x20]
push ebp
mov ebp, dword [esp + 0x2c]
push esi
push edi
mov edi, ecx
mov dword [esp + 0x20], 0x1000
mov dword [esp + 0x1c], 0x7ff
cmp ebp, 0xffffffff
je 0x4054f4
test ebp, ebp
je 0x4055ad
dec ebp
cmp dword [ebx + 4], 0
je 0x40550d
push 2
lea eax, [esp + 0x14]
push eax
push ebx
call fcn.004051f0
mov dword [esp + 0x14], eax
jmp 0x405527
push 0
lea eax, [esp + 0x18]
push eax
push 2
lea eax, [esp + 0x1c]
push eax
push dword [ebx]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, dword [esp + 0x14]
cmp eax, 2
mov ax, word [esp + 0x10]
jne 0x4055ad
test ax, ax
je 0x405541
mov word [edi], ax
add edi, 2
mov ax, word [esp + 0x10]
mov ecx, dword [esp + 0x18]
mov esi, edi
mov edx, dword [esp + 0x1c]
sub esi, ecx
sar esi, 1
cmp esi, edx
jle 0x405588
mov eax, dword [esp + 0x20]
add edx, 0x800
add eax, 0x1000
mov dword [esp + 0x1c], edx
push eax
push ecx
push 8
push dword [0x44627c]
mov dword [esp + 0x30], eax
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov ecx, eax
mov ax, word [esp + 0x10]
mov dword [esp + 0x18], ecx
lea edi, [ecx + esi*2]
test ax, ax
je 0x4055ad
cmp dword [esp + 0x30], 0
jne 0x4054e6
cmp ax, 0xd
je 0x4055b4
cmp ax, 0xa
jne 0x4054e6
sub edi, 2
jmp 0x40562c
cmp dword [esp + 0x30], 0
jne 0x40562c
cmp ax, 0xa
jne 0x4055bf
sub edi, 2
jmp 0x40562c
cmp ax, 0xd
jne 0x40562c
sub edi, 2
cmp dword [ebx + 4], 0
je 0x4055e1
push 2
lea eax, [esp + 0x14]
push eax
push ebx
call fcn.004051f0
mov dword [esp + 0x14], eax
jmp 0x4055f7
push 0
lea eax, [esp + 0x18]
push eax
push 2
lea eax, [esp + 0x1c]
push eax
push dword [ebx]
call dword [sym.imp.KERNEL32.dll_ReadFile]
cmp word [esp + 0x10], 0xa
je 0x40562c
cmp dword [ebx + 4], 0
je 0x40560b
add dword [ebx + 0xc], 2
jmp 0x40562c
push 1
lea eax, [esp + 0x28]
mov dword [esp + 0x24], 0xfffffffe
push eax
push 0xfffffffffffffffe
push dword [ebx]
mov dword [esp + 0x34], 0
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov eax, dword [esp + 0x38]
mov ecx, edi
sub ecx, dword [esp + 0x18]
sar ecx, 1
mov dword [eax], ecx
xor eax, eax
mov word [edi], ax
mov eax, dword [esp + 0x18]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x18
ret 0x10
xor eax, eax
add esp, 0x18
ret 0x10
Function at 0x405660
Capabilities:
Read file on windows

Disassembly:
sub esp, 0x14
push 0x1000
push 0
push dword [0x44627c]
mov dword [esp + 0x10], 0x1000
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov edx, eax
mov dword [esp + 0xc], edx
test edx, edx
je 0x4057b0
mov eax, dword [esp + 0x1c]
mov cl, byte [esp + 3]
push ebx
push ebp
mov ebp, dword [esp + 0x20]
push esi
push edi
mov edi, dword [esp + 0x30]
mov esi, edx
cmp edi, 0xffffffff
je 0x4056ac
test edi, edi
je 0x40571d
dec edi
push esi
push ebp
call fcn.00405940
mov dword [esp + 0x20], eax
test eax, eax
jne 0x4056bf
xor cl, cl
jmp 0x4056c1
mov cl, byte [esi]
mov edx, dword [esp + 0x1c]
add esi, eax
mov eax, dword [esp + 0x14]
mov ebx, esi
sub ebx, edx
mov byte [esp + 0x13], cl
add eax, 0xfffffffb
cmp ebx, eax
jle 0x405704
mov eax, dword [esp + 0x14]
add eax, 0x1000
push eax
push edx
push 8
push dword [0x44627c]
mov dword [esp + 0x24], eax
call dword [sym.imp.KERNEL32.dll_HeapReAlloc]
mov cl, byte [esp + 0x13]
mov edx, eax
mov dword [esp + 0x1c], edx
lea esi, [ebx + edx]
mov eax, dword [esp + 0x2c]
test cl, cl
je 0x40571d
test eax, eax
jne 0x4056a2
cmp cl, 0xd
je 0x405721
cmp cl, 0xa
jne 0x4056a2
dec esi
jmp 0x405793
test eax, eax
jne 0x405793
cmp cl, 0xa
jne 0x405729
dec esi
jmp 0x405793
cmp cl, 0xd
jne 0x405793
dec esi
cmp dword [ebp + 4], 0
je 0x405748
push 1
lea eax, [esp + 0x17]
push eax
push ebp
call fcn.004051f0
mov dword [esp + 0x20], eax
jmp 0x40575f
push 0
lea eax, [esp + 0x24]
push eax
push 1
lea eax, [esp + 0x1f]
push eax
push dword [ebp]
call dword [sym.imp.KERNEL32.dll_ReadFile]
cmp byte [esp + 0x13], 0xa
je 0x405793
cmp dword [ebp + 4], 0
je 0x405771
inc dword [ebp + 0xc]
jmp 0x405793
push 1
lea eax, [esp + 0x1c]
mov dword [esp + 0x18], 0xffffffff
push eax
push 0xffffffffffffffff
push dword [ebp]
mov dword [esp + 0x28], 0xffffffff
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov eax, dword [esp + 0x34]
mov ecx, esi
sub ecx, dword [esp + 0x1c]
pop edi
mov dword [eax], ecx
mov eax, dword [esp + 0x18]
mov byte [esi], 0
pop esi
pop ebp
pop ebx
add esp, 0x14
ret 0x10
xor eax, eax
add esp, 0x14
ret 0x10
Function at 0x4057c0
Capabilities:
Write file on windows

Disassembly:
sub esp, 0xc
push esi
mov esi, dword [esp + 0x14]
mov dword [esp + 4], 0
cmp dword [esi + 0x1c], 0
jne 0x4058c7
cmp dword [esi + 0x14], 1
jne 0x40580b
mov eax, dword [esi + 0xc]
lea ecx, [esp + 0xc]
push 1
neg eax
cdq
push ecx
push eax
push dword [esi]
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov eax, dword [esi + 8]
mov dword [esi + 0x14], 0
mov dword [esi + 0xc], eax
mov eax, dword [esi + 0xc]
push edi
mov edi, dword [esp + 0x20]
cmp eax, edi
jle 0x405888
mov ecx, dword [esi + 8]
add ecx, dword [esi + 4]
sub ecx, eax
mov eax, edi
dec eax
je 0x405873
dec eax
je 0x40585c
sub eax, 2
je 0x405847
push edi
push dword [esp + 0x20]
push ecx
call sub.MSVCRT.dll_memcpy
add esp, 0xc
mov eax, edi
sub dword [esi + 0xc], edi
pop edi
pop esi
add esp, 0xc
ret 0xc
mov eax, dword [esp + 0x1c]
mov eax, dword [eax]
mov dword [ecx], eax
mov eax, edi
sub dword [esi + 0xc], edi
pop edi
pop esi
add esp, 0xc
ret 0xc
mov eax, dword [esp + 0x1c]
mov ax, word [eax]
mov word [ecx], ax
mov eax, edi
sub dword [esi + 0xc], edi
pop edi
pop esi
add esp, 0xc
ret 0xc
mov eax, dword [esp + 0x1c]
mov al, byte [eax]
mov byte [ecx], al
mov eax, edi
sub dword [esi + 0xc], edi
pop edi
pop esi
add esp, 0xc
ret 0xc
push esi
call fcn.00404860
mov eax, dword [esi + 8]
cmp edi, eax
jl 0x4058b5
push 0
lea eax, [esp + 0xc]
push eax
push edi
push dword [esp + 0x28]
push dword [esi]
call dword [sym.imp.KERNEL32.dll_WriteFile]
mov eax, dword [esp + 8]
pop edi
pop esi
add esp, 0xc
ret 0xc
mov ecx, dword [esi + 4]
sub ecx, dword [esi + 0xc]
push edi
push dword [esp + 0x20]
add ecx, eax
jmp 0x405831
xor eax, eax
pop esi
add esp, 0xc
ret 0xc
Function at 0x405940
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 0x405967
push 1
lea eax, [esp + 0x10]
push eax
push edi
call fcn.004051f0
mov dword [esp + 4], eax
jmp 0x405981
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 0x40598d
xor eax, eax
pop edi
pop ecx
ret 8
mov cl, byte [esp + 0xc]
test cl, cl
js 0x4059a9
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 0x4059b9
mov esi, 2
jmp 0x4059d5
mov al, cl
and al, 0xf0
cmp al, 0xe0
jne 0x4059c8
mov esi, 3
jmp 0x4059d5
mov al, cl
and al, 0xf8
cmp al, 0xf0
jne 0x405a32
mov esi, 4
mov edx, dword [esp + 0x14]
mov byte [edx], cl
cmp dword [edi + 4], 0
je 0x405a04
lea eax, [esi - 1]
push eax
lea eax, [edx + 1]
push eax
push edi
call fcn.004051f0
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 0x40627d
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 0x4062db
add ebx, 2
lea eax, [ebx*2 + 2]
push eax
push edi
push dword [0x44627c]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov edi, eax
test edi, edi
je 0x4062db
cmp dword [ebp + 0xc], 0
je 0x4062ca
push dword [ebp + 0xc]
push edi
call sub.MSVCRT.dll_wcscpy
push 0x43c0a4
push edi
call sub.MSVCRT.dll_wcscat
add esp, 0x10
jmp 0x4062d7
push 0x43c0a4
push edi
call sub.MSVCRT.dll_wcscpy
pop ecx
pop ecx
mov esi, edi
jmp 0x4062de
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 0x406345
mov eax, dword [0x4453f4]
dec eax
dec eax
je 0x40631f
sub eax, 0x16
je 0x406317
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 0x406345
push esi
call fcn.0043bcf0
jmp 0x406325
push esi
call fcn.0043bd80
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.0043bce0
test edi, edi
je 0x406358
push edi
push 0
push dword [0x44627c]
call dword [sym.imp.KERNEL32.dll_HeapFree]
pop edi
pop esi
pop ebx
pop ebp
ret 0x10
Function at 0x40f3b0
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 0x40f3f4
mov al, byte [esi]
push eax
call fcn.0041b500
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 0x40f3d3
pop edi
pop esi
pop ebp
movzx eax, bl
pop ebx
ret
Function at 0x4122b0
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 0x4122ca
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 0x412313
test ebp, ebp
je 0x412304
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 0x412339
push str.AddDllDirectory
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x412339
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 0x4123ef
mov ecx, esi
lea ebx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x412356
sub ecx, ebx
lea eax, [edx + 1]
add eax, ecx
push eax
call dword [0x4453f8]
mov ebx, eax
add esp, 4
test ebx, ebx
je 0x4123e5
push dword [esp + 0x10]
push ebx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x4123e5
mov ecx, ebx
lea edx, [ecx + 1]
mov al, byte [ecx]
inc ecx
test al, al
jne 0x412388
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 0x4123a0
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 0x4123b0
test ebp, ebp
je 0x4123dc
push 8
push 0
push ebx
call ebp
push ebx
mov edi, eax
call dword [0x4453fc]
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 [0x4453fc]
add esp, 4
pop esi
pop ebp
mov eax, edi
pop edi
pop ebx
pop ecx
ret
Function at 0x412580
Capabilities:
Initialize winsock library

Disassembly:
sub esp, 0x22c
test byte [esp + 0x230], 2
je 0x4125cb
lea eax, [esp + 0x9c]
push eax
push 0x202
call dword [sym.imp.WS2_32.dll_WSAStartup]
test eax, eax
jne 0x4125bf
mov eax, dword [esp + 0x9c]
cmp al, 2
jne 0x4125b9
shr eax, 8
cmp al, 2
je 0x4125cb
call dword [sym.imp.WS2_32.dll_WSACleanup]
mov eax, 2
add esp, 0x22c
ret
call fcn.0042bf40
test eax, eax
jne 0x4126a0
push str.iphlpapi.dll
call fcn.004122b0
add esp, 4
mov dword [0x4463d8], eax
test eax, eax
je 0x412603
push str.if_nametoindex
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x412603
mov dword [0x4463d4], 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 0x412697
push 0x4466d8
mov byte [0x4466e0], 1
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
xor eax, eax
add esp, 0x22c
ret
mov byte [0x4466e0], 0
xor eax, eax
add esp, 0x22c
ret

Function at 0x412820
Capabilities:
Create udp socket

Disassembly:
mov eax, dword [esp + 4]
cmp dword [eax + 0x2c8], 2
je fcn.004127d0
mov al, 1
ret

Function at 0x412960
Capabilities:
Write file on windows

Disassembly:
push esi
push edi
mov edi, dword [esp + 0xc]
cmp dword [edi + 0x5e0], 0
je 0x4129a4
push 1
push edi
call fcn.00413b60
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.00413b60
add esp, 0x24
mov eax, esi
pop edi
pop esi
ret
mov eax, dword [esp + 0x10]
cmp eax, 2
ja 0x4129dd
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 0x412be0
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 0x412c11
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 0x412d40
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.004131f0
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 0x412de7
push edi
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov edi, eax
cmp edi, 0x2733
jne 0x412db4
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.0042cb00
push eax
push str.Send_failure:__s
push dword [ebp]
call fcn.004129f0
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 0x4131f0
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 0x4132a6
cmp dword [ebx + ecx*4 + 0x1b8], 0x412c70
jne 0x4132a6
cmp dword [esi], 0
je 0x41323c
test edi, edi
je 0x4132a6
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push ebp
call fcn.0041ad00
add esp, 0x10
cmp eax, 0xffffffff
je 0x4132a6
test al, 1
je 0x4132a6
cmp dword [esi], 0
jne 0x41328f
mov eax, dword [ebx]
mov eax, dword [eax + 0x8d0]
add eax, eax
push eax
mov dword [esi + 4], eax
call dword [0x4453f8]
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 0x41328f
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 0x4132a6
add dword [esi + 8], eax
pop edi
pop esi
pop ebp
pop ebx
ret
Function at 0x419b60
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 0x419d38
cmp byte [ebx + 0x289], 0
push ebp
push esi
push edi
jne 0x419d2c
cmp byte [ebx + 0x2a1], 0
jne 0x419d2c
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 0x419bf4
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.0042cb00
push eax
push esi
push str.getpeername___failed_with_errno__d:__s
push ebp
call fcn.004129f0
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 0x419c5e
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.0042cb00
push eax
push esi
push str.getsockname___failed_with_errno__d:__s
push ebp
call fcn.004129f0
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.00418f80
add esp, 0x10
test al, al
jne 0x419cbf
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.0042cb00
push eax
push dword [esi]
push str.ssrem_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.004129f0
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.00418f80
add esp, 0x10
test al, al
jne 0x419d2c
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.0042cb00
push eax
push dword [esi]
push str.ssloc_inet_ntop___failed_with_errno__d:__s
push ebp
call fcn.004129f0
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
push ebx
call fcn.00419840
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x188
ret
Function at 0x41a690
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 0x41a6da
push edi
push str.Failed_to_set_SO_KEEPALIVE_on_fd__d_n
push esi
call fcn.00412ab0
add esp, 0xc
pop edi
pop esi
add esp, 0x10
ret
push dword [esi + 0xa3c]
mov dword [esp + 0x10], 1
call fcn.00418f00
push dword [esi + 0xa40]
imul eax, eax, 0x3e8
mov dword [esp + 0x24], eax
mov dword [esp + 0x18], eax
call fcn.00418f00
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 0x41a751
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.00412ab0
add esp, 0x10
pop edi
pop esi
add esp, 0x10
ret

Function at 0x41a760
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 0x41a7c1
push pe_nt_image_headers32
lea eax, [esp + 0xc]
push eax
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
call fcn.0042cb00
push eax
push str.Could_not_set_TCP_NODELAY:__s_n
push esi
call fcn.00412ab0
add esp, 0x18
pop esi
add esp, 0x84
ret
push str.TCP_NODELAY_set_n
push esi
call fcn.00412ab0
add esp, 8
pop esi
add esp, 0x84
ret
Function at 0x4254f0
Capabilities:
Query environment variable

Disassembly:
mov eax, 0x1000
call fcn.004030f0
push dword [esp + 0x1004]
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
mov byte [esp], 0
test eax, eax
je 0x42553d
push 0x1000
lea ecx, [esp + 4]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsA]
cmp byte [esp], 0
je 0x42553d
lea eax, [esp]
push eax
call dword [0x445404]
add esp, 4
add esp, 0x1000
ret
xor eax, eax
add esp, 0x1000
ret
Function at 0x42bfe0
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 0x42c173
push ebx
push edi
mov edi, dword [esp + 0x10]
test edi, edi
je 0x42c15d
push esi
mov eax, dword [edi + 4]
cmp eax, 2
jne 0x42c02f
lea ebx, [eax + 0xe]
jmp 0x42c03b
cmp eax, 0x17
jne 0x42c0ea
lea ebx, [eax + 5]
cmp dword [edi + 0x18], 0
je 0x42c0ea
mov eax, dword [edi + 0x10]
test eax, eax
je 0x42c0ea
cmp eax, ebx
jb 0x42c0ea
push 0x20
call dword [0x4453f8]
mov esi, eax
add esp, 4
test esi, esi
je 0x42c152
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 [0x4453f8]
add esp, 4
mov dword [esi + 0x18], eax
test eax, eax
je 0x42c141
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 0x42c0d5
push eax
call dword [0x445404]
add esp, 4
mov dword [esi + 0x14], eax
test eax, eax
je 0x42c127
test ebp, ebp
jne 0x42c0db
mov ebp, esi
mov eax, dword [esp + 0x10]
test eax, eax
je 0x42c0e6
mov dword [eax + 0x1c], esi
mov dword [esp + 0x10], esi
mov edi, dword [edi + 0x1c]
test edi, edi
jne 0x42c022
mov ebx, dword [esp + 0x18]
mov eax, dword [esp + 0x14]
pop esi
test eax, eax
je 0x42c109
push eax
call dword [sym.imp.WS2_32.dll_freeaddrinfo]
test ebx, ebx
je 0x42c159
push ebp
call fcn.0042bfa0
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 [0x4453fc]
push esi
call dword [0x4453fc]
add esp, 8
jmp 0x42c0f9
push esi
mov ebx, 8
call dword [0x4453fc]
add esp, 4
jmp 0x42c0f9
mov ebx, 8
jmp 0x42c0f9
test ebp, ebp
jne 0x42c169
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