hydra_ssh2.nasl

漏洞扫描源码,可以扫描linux,windows,交换机路由器

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#
# This script was written by Michel Arboi <[e-mail]>
#
# GPL
#

if (! defined_func("script_get_preference_file_location")) exit(0);
if (! find_in_path("hydra")) exit(0);


if(description)
{
 script_id(15888);
 script_version ("1.1");
 name["english"] = "Hydra: SSH2";
 script_name(english:name["english"]);
 
 desc["english"] = "
This plugin runs Hydra to find SSH2 accounts & passwords by brute force.

See the section 'plugins options' to configure it
";

 script_description(english:desc["english"]);
 
 summary["english"] = "Brute force SSH2 authentication with Hydra";
 script_summary(english:summary["english"]);
 
 script_category(ACT_ATTACK);
 script_timeout(0);
 script_copyright(english:"This script is Copyright (C) 2004 Michel Arboi");
 script_family(english:"Brute force attacks");
 script_require_keys("Secret/hydra/logins_file", "Secret/hydra/passwords_file");
 script_require_ports("Services/ssh", 22);
 script_dependencies("hydra_options.nasl", "find_service.nes", "doublecheck_std_services.nasl");
 exit(0);
}

#
thorough = get_kb_item("global_settings/thorough_tests");
if ("yes" >!< thorough) exit(0);
logins = get_kb_item("Secret/hydra/logins_file");
passwd = get_kb_item("Secret/hydra/passwords_file");
if (logins == NULL || passwd == NULL) exit(0);

port = get_kb_item("Services/ssh");
if (! port) port = 22;
if (! get_port_state(port)) exit(0);

timeout = get_kb_item("/tmp/hydra/timeout"); timeout = int(timeout);
tasks = get_kb_item("/tmp/hydra/tasks"); task = int(tasks);

empty = get_kb_item("/tmp/hydra/empty_password");
login_pass = get_kb_item("/tmp/hydra/login_password");
exit_asap = get_kb_item("/tmp/hydra/exit_ASAP");
tr = get_kb_item("Transports/TCP/"+port);

i = 0;
argv[i++] = "hydra";
argv[i++] = "-s"; argv[i++] = port;
argv[i++] = "-L"; argv[i++] = logins;
argv[i++] = "-P"; argv[i++] = passwd;
s = "";
if (empty) s = "n";
if (login_pass) s+= "s";
if (s)
{
  argv[i++] = "-e"; argv[i++] = s;
}
if (exit_asap) argv[i++] = "-f";
if (tr >= ENCAPS_SSLv2) argv[i++] = "-S";

if (timeout > 0)
{
  argv[i++] = "-w";
  argv[i++] = timeout;
}
if (tasks > 0)
{
  argv[i++] = "-t";
  argv[i++] = tasks;
}

argv[i++] = get_host_ip();
argv[i++] = "ssh2";

report = "";
results = pread(cmd: "hydra", argv: argv, nice: 5);
foreach line (split(results))
{
  v = eregmatch(string: line, pattern: 'host:.*login: *(.*) password: *(.*)$');
  if (! isnull(v))
  {
    l = chomp(v[1]);
    p = chomp(v[2]);
    report = strcat(report, 'username: ', l, '\tpassword: ', p, '\n');
    set_kb_item(name: 'Hydra/ssh2/'+port, value: l + '\t' + p);
  }
}

if (report)
  security_hole(port: port, 
    data: 'Hydra was able to break the following SSH accounts:\n' + report);