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chg: [LS22] shell updated with the final version used for the exercise

pull/8486/head
iglocska 2022-07-07 11:07:55 +02:00
parent da00e543df
commit c93818f180
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1 changed files with 232 additions and 30 deletions
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262
app/Console/Command/Ls22Shell.php
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@ -52,6 +52,55 @@ class Ls22Shell extends AppShell
),
),
]);
$parser->addSubcommand('checkSyncConnections', [
'help' => __('Check the given sync connection(s) for the given server(s).'),
'parser' => array(
'options' => array(
'instances' => [
'help' => 'Path to the instance file, by default "instances.csv" from the local directory',
'short' => 'i',
'required' => true
],
'misp_url_filter' => [
'help' => 'The url of the instance to execute changes on. If not set, all are updated.',
'short' => 'm',
'required' => false
],
'synced_misp_url_filter' => [
'help' => 'The sync connection to modify on each valid instance (as selected by the misp_url_filter). If not set, all sync connections on the selected instances will be updated.',
'short' => 's',
'required' => false
]
),
),
]);
$parser->addSubcommand('modifySyncConnection', [
'help' => __('Modify sync connection(s).'),
'parser' => array(
'options' => array(
'instances' => [
'help' => 'Path to the instance file, by default "instances.csv" from the local directory',
'short' => 'i',
'required' => true
],
'misp_url_filter' => [
'help' => 'The url of the instance to execute changes on. If not set, all are updated.',
'short' => 'm',
'required' => false
],
'synced_misp_url_filter' => [
'help' => 'The sync connection to modify on each valid instance (as selected by the misp_url_filter). If not set, all sync connections on the selected instances will be updated.',
'short' => 's',
'required' => false
],
'json' => [
'help' => 'JSON delta to push (such as \'{"push": 1}\').',
'short' => 'j',
'required' => true
]
),
),
]);
$parser->addSubcommand('addWarninglist', [
'help' => __('Inject warninglist'),
'parser' => array(
@ -104,6 +153,11 @@ class Ls22Shell extends AppShell
'help' => 'Upper bound of the date. Accepts timestamp or date distance (such as 1d or 5h). Defaults to unbounded.',
'short' => 't',
'required' => false
],
'org' => [
'help' => 'Name the org that should be evaluated. If not set, all will be included.',
'short' => 'o',
'required' => false
]
),
),
@ -111,6 +165,103 @@ class Ls22Shell extends AppShell
return $parser;
}
public function checkSyncConnections()
{
$this->__getInstances($this->param('instances'));
$results = [];
$instanceFilter = $this->param('misp_url_filter');
$syncedInstanceFilter = $this->param('synced_misp_url_filter');
foreach ($this->__servers as $server) {
if (!empty($instanceFilter) && strtolower(trim($server['Server']['url'])) !== strtolower(trim($instanceFilter))) {
continue;
}
$HttpSocket = $this->Server->setupHttpSocket($server, null);
$request = $this->Server->setupSyncRequest($server, 'Server');
$start_time = microtime(true);
$response = $HttpSocket->get($server['Server']['url'] . '/servers/index', false, $request);
$baseline = round((microtime(true) - $start_time) * 1000);
if (!$response->isOk()) {
$this->out($server['Server']['url'] . ': ' . '<error>Connection or auth failed</error>', 1, Shell::NORMAL);
continue;
}
$synced_servers = json_decode($response->body, true);
foreach ($synced_servers as $synced_server) {
$success = false;
if (empty($syncedInstanceFilter) || strtolower($synced_server['Server']['url']) === strtolower($syncedInstanceFilter)) {
$start_time = microtime(true);
$response = $HttpSocket->get($server['Server']['url'] . '/servers/testConnection/' . $synced_server['Server']['id'], '{}', $request);
$execution_time = round((microtime(true) - $start_time) * 1000) - $baseline;
if ($response->isOk()) {
$success = true;
}
$this->out(
sprintf(
'%s connection to %s: %s (%sms)',
$server['Server']['url'],
$synced_server['Server']['url'],
sprintf(
'<%s>%s</%s>',
$success ? 'info' : 'error',
$success ? 'Success' : 'Failed',
$success ? 'info' : 'error'
),
$execution_time
),
1,
Shell::NORMAL
);
}
}
}
}
public function modifySyncConnection()
{
$this->__getInstances($this->param('instances'));
$results = [];
$instanceFilter = $this->param('misp_url_filter');
$syncedInstanceFilter = $this->param('synced_misp_url_filter');
$json = $this->param('json');
foreach ($this->__servers as $server) {
if (!empty($instanceFilter) && strtolower(trim($server['Server']['url'])) !== strtolower(trim($instanceFilter))) {
continue;
}
$HttpSocket = $this->Server->setupHttpSocket($server, null);
$request = $this->Server->setupSyncRequest($server, 'Server');
$response = $HttpSocket->get($server['Server']['url'] . '/servers/index', false, $request);
if (!$response->isOk()) {
$this->out($server['Server']['url'] . ': ' . '<error>Connection or auth failed</error>', 1, Shell::NORMAL);
}
$synced_servers = json_decode($response->body, true);
$success = false;
foreach ($synced_servers as $synced_server) {
if (empty($syncedInstanceFilter) || strtolower($synced_server['Server']['url']) === strtolower($syncedInstanceFilter)) {
debug($json);
$response = $HttpSocket->post($server['Server']['url'] . '/servers/edit/' . $synced_server['Server']['id'], $json, $request);
debug($response->body);
if ($response->isOk()) {
$success = true;
}
$this->out(
sprintf(
'%s connection to %s: %s',
$server['Server']['url'],
$synced_server['Server']['url'],
sprintf(
'<%s>%s</%s>',
$success ? 'info' : 'error',
$success ? 'Success' : 'Failed',
$success ? 'info' : 'error'
)
),
1,
Shell::NORMAL
);
}
}
}
}
public function enableTaxonomy()
{
$taxonomyToEnable = $this->param('taxonomy');
@ -162,16 +313,29 @@ class Ls22Shell extends AppShell
$HttpSocket = $this->Server->setupHttpSocket($server, null);
$request = $this->Server->setupSyncRequest($server, 'Server');
$start_time = microtime(true);
$response = $HttpSocket->get($server['Server']['url'] . '/users/view/me', false, $request);
$execution_time = round((microtime(true) - $start_time) * 1000);
$statusWrapped = sprintf(
'<%s>%s</%s>',
$response->isOk() ? 'info' : 'error',
$response->isOk() ? 'OK (' . $execution_time . 'ms)' : 'Failed. (' . $response->code . ')',
$response->isOk() ? 'info' : 'error'
);
$fatal_error = false;
try {
$response = $HttpSocket->get($server['Server']['url'] . '/users/view/me', false, $request);
} catch (Exception $e) {
$fatal_error = true;
echo "\x07";
$statusWrapped = sprintf(
'<error>%s %s: %s</error>',
'Something went wrong while trying to reach',
$server['Server']['url'],
$e->getMessage()
);
}
if (!$fatal_error) {
$execution_time = round((microtime(true) - $start_time) * 1000);
$statusWrapped = sprintf(
'<%s>%s</%s>',
$response->isOk() ? 'info' : 'error',
$response->isOk() ? 'OK (' . $execution_time . 'ms)' : 'Failed. (' . $response->code . ')',
$response->isOk() ? 'info' : 'error'
);
}
$this->out($server['Server']['url'] . ': ' . $statusWrapped, 1, Shell::NORMAL);
$results[$server['Server']['url']] = $response->isOk() ? $execution_time : false;
}
}
@ -215,28 +379,30 @@ class Ls22Shell extends AppShell
}
$HttpSocket = $this->Server->setupHttpSocket($server, null);
$request = $this->Server->setupSyncRequest($server);
$response = $HttpSocket->get($server['Server']['url'] . '/organisations/index', false, $request);
$response = $HttpSocket->get($server['Server']['url'] . '/organisations/index/scope:all', false, $request);
$orgs = json_decode($response->body(), true);
$this->out(__('Organisations fetched. %d found.', count($orgs)), 1, Shell::VERBOSE);
$org_mapping = [];
foreach ($orgs as $org) {
$name = explode(' ', $org['Organisation']['name']);
if ($name[0] !== 'BT') {
if (!empty($this->param('org')) && $org['Organisation']['name'] !== $this->param('org')) {
continue;
}
if ($org['Organisation']['name'] === 'YT') {
continue;
}
$org_mapping[$org['Organisation']['name']] = $org['Organisation']['id'];
}
if (!empty($this->param['from'])) {
$time_range[] = $this->param['from'];
}
if (!empty($this->param['to'])) {
if (empty($time_range)) {
$time_range[] = '365d';
}
$time_range[] = $this->param['to'];
}
foreach ($org_mapping as $org_name => $org_id) {
$time_range = [];
if (!empty($this->param['from'])) {
$time_range[] = $this->param['from'];
}
if (!empty($this->param['to'])) {
if (empty($time_range)) {
$time_range[] = '365d';
}
$time_range[] = $this->param['to'];
}
$params = [
'org' => $org_id
];
@ -256,7 +422,8 @@ class Ls22Shell extends AppShell
'other' => 0,
'attribute_attack' => 0,
'attribute_other' => 0,
'score' => 0
'score' => 0,
'warnings' => 0
];
foreach ($events['response'] as $event) {
if (!empty($event['Event']['Tag'])) {
@ -290,6 +457,9 @@ class Ls22Shell extends AppShell
}
}
}
if (!empty($attribute['warnings'])) {
$result[$org_name]['warnings'] += 1;
}
}
$results[$org_name]['attribute_count'] += count($event['Event']['Attribute']);
if (!empty($event['Event']['Object'])) {
@ -319,11 +489,18 @@ class Ls22Shell extends AppShell
foreach ($results as $k => $result) {
$totalCount = $result['attribute_count'] + $result['object_count'];
if ($totalCount) {
if (empty($result['warnings'])) {
$results[$k]['metrics']['warnings'] = 100;
} else if (100 * $result['warnings'] < $result['attribute_count']) {
$results[$k]['metrics']['warnings'] = 50;
} else {
$results[$k]['metrics']['warnings'] = 0;
}
$results[$k]['metrics']['connectedness'] = 100 * ($result['connected_elements'] / ($result['attribute_count'] + $result['object_count']));
$results[$k]['metrics']['attack_weight'] = 100 * (2*($result['attack']) + $result['attribute_attack']) / ($result['attribute_count'] + $result['object_count']);
$results[$k]['metrics']['other_weight'] = 100 * (2*($result['other']) + $result['attribute_other']) / ($result['attribute_count'] + $result['object_count']);
}
foreach (['connectedness', 'attack_weight', 'other_weight'] as $metric) {
foreach (['connectedness', 'attack_weight', 'other_weight', 'warnings'] as $metric) {
if (empty($results[$k]['metrics'][$metric])) {
$results[$k]['metrics'][$metric] = 0;
}
@ -331,8 +508,17 @@ class Ls22Shell extends AppShell
$results[$k]['metrics'][$metric] = 100;
}
}
$results[$k]['score'] = round(40 * $results[$k]['metrics']['connectedness'] + 40 * $results[$k]['metrics']['attack_weight'] + 20 * $results[$k]['metrics']['other_weight']) / 100;
$scores[$k] = $results[$k]['score'];
$results[$k]['score'] = round(
20 * $results[$k]['metrics']['warnings'] +
20 * $results[$k]['metrics']['connectedness'] +
40 * $results[$k]['metrics']['attack_weight'] +
20 * $results[$k]['metrics']['other_weight']
) / 100;
$scores[$k]['total'] = $results[$k]['score'];
$scores[$k]['warnings'] = round(20 * $results[$k]['metrics']['warnings']);
$scores[$k]['connectedness'] = round(20 * $results[$k]['metrics']['connectedness']);
$scores[$k]['attack_weight'] = round(40 * $results[$k]['metrics']['attack_weight']);
$scores[$k]['other_weight'] = round(20 * $results[$k]['metrics']['other_weight']);
}
arsort($scores, SORT_DESC);
$this->out(str_repeat('=', 128), 1, Shell::NORMAL);
@ -344,18 +530,34 @@ class Ls22Shell extends AppShell
), 1, Shell::NORMAL);
$this->out(str_repeat('=', 128), 1, Shell::NORMAL);
foreach ($scores as $org => $score) {
$score_string = str_repeat('█', round($score));
$score_string[0] = str_repeat('█', round($score['warnings']/100));
$score_string[1] = str_repeat('█', round($score['connectedness']/100));
$score_string[2] = str_repeat('█', round($score['attack_weight']/100));
$score_string[3] = str_repeat('█', round($score['other_weight']/100));
$this->out(sprintf(
'| %s | %s | %s |',
str_pad($org, 10, ' ', STR_PAD_RIGHT),
sprintf(
'<info>%s</info>%s',
$score_string,
str_repeat(' ', 100 - mb_strlen($score_string))
'<error>%s</error><warning>%s</warning><question>%s</question><info>%s</info>%s',
$score_string[0],
$score_string[1],
$score_string[2],
$score_string[3],
str_repeat(' ', 100 - mb_strlen(implode('', $score_string)))
),
str_pad($score . '%', 8, ' ', STR_PAD_RIGHT)
str_pad($score['total'] . '%', 8, ' ', STR_PAD_RIGHT)
), 1, Shell::NORMAL);
}
$this->out(str_repeat('=', 128), 1, Shell::NORMAL);
$this->out(sprintf(
'| Legend: %s %s %s %s %s |',
'<error>█: Warnings</error>',
'<warning>█: Connectedness</warning>',
'<question>█: ATT&CK context</question>',
'<info>█: Other Context</info>',
str_repeat(' ', 52)
), 1, Shell::NORMAL);
$this->out(str_repeat('=', 128), 1, Shell::NORMAL);
file_put_contents(APP . 'tmp/report.json', json_encode($results, JSON_PRETTY_PRINT));
}
}