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vb.org Archive (https://vborg.vbsupport.ru/index.php)
-   vBulletin 4.x Add-ons (https://vborg.vbsupport.ru/forumdisplay.php?f=245)
-   -   Administrative and Maintenance Tools - Check 4 Hack - Finds infected Datastore Entries (https://vborg.vbsupport.ru/showthread.php?t=265866)

whodah 03-20-2014 03:45 AM
Looks like there are two legit base64 in 4.2.2 PL1 -- ya?

Code:
if ((!$message = base64_decode($vbulletin->GPC['pm_message']))) {
and

Code:
!($pagetext = base64_decode($vbulletin->GPC['html']))
everyone agree?

Andy.H 03-24-2014 06:59 PM
Hmm... we're running 4.2.0 PL4 with the scheduled task running and it's not detecting those lines? Maybe they don't appear in 4.2.0?

Which files did you find them in?

PS: nice addition with the detection :)

ForceHSS 03-24-2014 08:10 PM
Quote:
Originally Posted by whodah (Post 2488496)
Looks like there are two legit base64 in 4.2.2 PL1 -- ya?

Code:
if ((!$message = base64_decode($vbulletin->GPC['pm_message']))) {
and

Code:
!($pagetext = base64_decode($vbulletin->GPC['html']))
everyone agree?
This is not in the code by default if you have this then you have an infection

whodah 03-24-2014 08:51 PM
Hi Andy.H and ForceHSS,

Interesting... Digging deeper. The thing that makes me suspect is that I have a backup install on another server, different pw's, that is 100% .htaccess protected (front end and admin end) which has those same two lines...

Digging, will report back...

whodah 03-24-2014 09:10 PM
ForceHSS:

Are you sure you are 4.2.2 PL1 ? If so, do your install files fresh from vB not have this?
Code:
includes/xml/product-panjo.xml:        if ((!$message = base64_decode($vbulletin->GPC['pm_message']))) {
includes/xml/product-panjo.xml:                !($pagetext = base64_decode($vbulletin->GPC['html']))
BTW: I thought it might be interesting to note the other base64_(encode|decode) stuff off a fresh 4.2.2PL1 download:

Code:
[root@hurley upload]# grep -RIi base64_decode *
asset.php:      $filedata = vb_base64_decode('STRING_REPLACED_BY_WHODAH==');
attachment.php:        $filedata = vb_base64_decode('STRING_REPLACED_BY_WHODAH==');
blog_attachment.php:    $filedata = vb_base64_decode('STRING_REPLACED_BY_WHODAH==');
cron.php:$filedata = vb_base64_decode('STRING_REPLACED_BY_WHODAH==');
includes/adminfunctions_template.php:                          $vbulletin->db->escape_string(vb_base64_decode($stylevardfn['validation'])) . "', '" .
includes/adminfunctions_template.php:                          $vbulletin->db->escape_string(vb_base64_decode($stylevardfn['failsafe'])) . "', 0, 0
includes/adminfunctions_template.php:          $value = vb_base64_decode($stylevar['value'][0]);
includes/adminfunctions_template.php:          $decode[$stylevars['name']] = vb_base64_decode($stylevars['value'][0]);
includes/facebook/base_facebook.php:    return base64_decode(strtr($input, '-_', '+/'));
includes/functions.php:function vb_base64_decode($string)
includes/functions.php: if (function_exists('base64_decode'))
includes/functions.php:        return base64_decode($string);
includes/functions.php:        return ($decode ? vb_base64_decode($return) : $return);
includes/xml/product-panjo.xml:        if ((!$message = base64_decode($vbulletin->GPC['pm_message']))) {
includes/xml/product-panjo.xml:                !($pagetext = base64_decode($vbulletin->GPC['html']))
picture.php:    $filedata = vb_base64_decode('STRING_REPLACED_BY_WHODAH==');
[root@hurley upload]# grep -RIi base64_encode *
admincp/navigation.php: $name .= '_' . strtolower(substr(vb_base64_encode(TIMENOW),4,4));
forumrunner/push.php:    $msgargs = array(base64_encode(prepare_utf8_string($vbulletin->options['bbtitle'])));
forumrunner/push.php:      $msgargs[] = base64_encode(count($pms));
forumrunner/push.php:      $msgargs[] = base64_encode(prepare_utf8_string($first_pm['fromusername']));
forumrunner/push.php:      $msgargs[] = base64_encode(count($subs));
forumrunner/push.php:      $msgargs[] = base64_encode(prepare_utf8_string($first_sub['title']));
forumrunner/support/Snoopy.class.php:                  $headers .= "Authorization: Basic ".base64_encode($this->user.":".$this->pass)."\r\n";
forumrunner/support/Snoopy.class.php:                  $headers .= 'Proxy-Authorization: ' . 'Basic ' . base64_encode($this->proxy_user . ':' . $this->proxy_pass)."\r\n";
forumrunner/support/Snoopy.class.php:                  $headers[] = "Authorization: BASIC ".base64_encode($this->user.":".$this->pass);
includes/adminfunctions_plugin.php:                                    'validation' => vb_base64_encode($stylevar['validation']),
includes/adminfunctions_plugin.php:                                    'failsafe'  => vb_base64_encode($stylevar['failsafe'])
includes/adminfunctions_plugin.php:                            'value' => vb_base64_encode($stylevar['value'])
includes/adminfunctions_plugin.php:                                            'validation' => vb_base64_encode($stylevar['validation']),
includes/adminfunctions_plugin.php:                                            'failsafe'  => vb_base64_encode($stylevar['failsafe'])
includes/adminfunctions_plugin.php:                                    'value' => vb_base64_encode($stylevar['value'])
includes/adminfunctions_template.php:                                  'validation' => vb_base64_encode($stylevar['validation']),
includes/adminfunctions_template.php:                                  'failsafe'  => vb_base64_encode($stylevar['failsafe'])
includes/adminfunctions_template.php:                          'value' => vb_base64_encode($stylevar['value'])
includes/adminfunctions_template.php:                                  'value' => vb_base64_encode($stylevar)
includes/class_mail.php:                                        if (!$this->sendMessage(vb_base64_encode($this->smtpUser), 334) OR !$this->sendMessage(vb_base64_encode($this->smtpPass), 235))
includes/facebook/base_facebook.php:  * Exactly the same as base64_encode except it uses
includes/facebook/base_facebook.php:  * Exactly the same as base64_encode except it uses
includes/facebook/base_facebook.php:    $str = strtr(base64_encode($input), '+/', '-_');
includes/functions.php:function vb_base64_encode($string)
includes/functions.php: if (function_exists('base64_encode'))
includes/functions.php:        return base64_encode($string);
includes/functions.php:        $string = vb_base64_encode($string);
vb/verticalresponse.php:                    'contents'  => vb_base64_encode($members),
[root@hurley upload]#

whodah 03-24-2014 09:24 PM
Andy.H: for completness, I checked out 4.2.0PL4, and it looks like those lines are not in there:

Code:
[root@hurley upload]# grep -RIi base64_decode *
asset.php:      $filedata = vb_base64_decode('STRING_REPLACED_BY_WHODAH==');
includes/adminfunctions_template.php:                          $vbulletin->db->escape_string(vb_base64_decode($stylevardfn['validation'])) . "', '" .
includes/adminfunctions_template.php:                          $vbulletin->db->escape_string(vb_base64_decode($stylevardfn['failsafe'])) . "', 0, 0
includes/adminfunctions_template.php:          $value = vb_base64_decode($stylevar['value'][0]);
includes/adminfunctions_template.php:          $decode[$stylevars['name']] = vb_base64_decode($stylevars['value'][0]);
includes/facebook/base_facebook.php:    return base64_decode(strtr($input, '-_', '+/'));
includes/functions.php:function vb_base64_decode($string)
includes/functions.php: if (function_exists('base64_decode'))
includes/functions.php:        return base64_decode($string);
includes/functions.php:        return ($decode ? vb_base64_decode($return) : $return);
[root@hurley upload]# grep -RIi base64_encode *
admincp/navigation.php: $name .= '_' . strtolower(substr(vb_base64_encode(TIMENOW),4,4));
includes/adminfunctions_plugin.php:                                    'validation' => vb_base64_encode($stylevar['validation']),
includes/adminfunctions_plugin.php:                                    'failsafe'  => vb_base64_encode($stylevar['failsafe'])
includes/adminfunctions_plugin.php:                            'value' => vb_base64_encode($stylevar['value'])
includes/adminfunctions_plugin.php:                                            'validation' => vb_base64_encode($stylevar['validation']),
includes/adminfunctions_plugin.php:                                            'failsafe'  => vb_base64_encode($stylevar['failsafe'])
includes/adminfunctions_plugin.php:                                    'value' => vb_base64_encode($stylevar['value'])
includes/adminfunctions_template.php:                                  'validation' => vb_base64_encode($stylevar['validation']),
includes/adminfunctions_template.php:                                  'failsafe'  => vb_base64_encode($stylevar['failsafe'])
includes/adminfunctions_template.php:                          'value' => vb_base64_encode($stylevar['value'])
includes/adminfunctions_template.php:                                  'value' => vb_base64_encode($stylevar)
includes/class_mail.php:                                        if (!$this->sendMessage(vb_base64_encode($this->smtpUser), 334) OR !$this->sendMessage(vb_base64_encode($this->smtpPass), 235))
includes/facebook/base_facebook.php:  * Exactly the same as base64_encode except it uses
includes/functions.php:function vb_base64_encode($string)
includes/functions.php: if (function_exists('base64_encode'))
includes/functions.php:        return base64_encode($string);
includes/functions.php:        $string = vb_base64_encode($string);
vb/verticalresponse.php:                    'contents'  => vb_base64_encode($members),
[root@hurley upload]#

ForceHSS 03-24-2014 09:34 PM
Yes I have them in default files as well not sure if all as I have not checked all of them but I am sure if it is a problem vb would post about it so don't worry about it

Andy.H 03-24-2014 09:44 PM
Quote:
Originally Posted by whodah (Post 2489357)
Andy.H: for completness, I checked out 4.2.0PL4, and it looks like those lines are not in there:
That would explain it then. It does leave you in a bit of a quandary if you're running 4.2.2 though. Does it generate any false positives when you run the task manually?

whodah 03-24-2014 11:24 PM
ForceHSS: roger that.

Andy.H: yup yup, false positives as of now. Did you see my post #110 above? I haven't had time to write a replace string for these two yet, but I'm thinking a similar notion would work here too. Thanks for the inspiration for that idea again. :D But really, we could keep whittling out false positives when they come up that way. (I think.)

Azonaco 05-08-2016 07:39 PM
This isn't working on version 4.2.2 for me. Any plans to update this mod?


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