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Sucuri Research Labs

The home of our Security Operations Group, including our Malware Research and Incident Response teams.

Some attackers seem to like signing their scripts. This fact is especially true for defacements and backdoors, where attackers show their pride stating that they “owned” a site by signing their own malware. Sometimes they write their expressions and nicknames on the title or in the middle of the file:

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Recently we’ve seen some WordPress websites displaying unwanted banners at the bottom of the page which appear 15 seconds after browsing the website. Those banners are being generated due to the following code being injected into the theme’s function.php files:

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Attackers tend to get smarter in order to avoid detection, as well as gain access to your WordPress site. They use legit functions of the WordPress core to create users, post spammy content, and other kinds of malicious activities.

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During an incident response process, we identified some files located at a website’s root folder. Although they had different filenames (post.php, news.php, home.php, etc), they had the same malicious content:

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Backdoors evolve. They tend to get more complex, harder to understand and harder to decode, but this is not always the case.

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Latest malware entries

Hidden iframes

Latest hidden iframes our scanner have identified on compromised web sites.

# of sites infectedTypeMalware / Domains
55iframehttp://poseyhumane.org/stats.php
6iframehttp://zumobtr.ru/gate.php?f=1041671
6iframehttp://ads.rzb.ir/image.php?size_id=7
4iframehttp://www.cascadecowcutters.org/wp-content/upgrade/update.php
4iframehttp://couriertracking247.in/
2iframehttp://stjohnsdryden.org/img/common/download.php
2iframehttp://bucknine.cf/visionovni17.html
1iframehttp://www.trypie.info/update.php
1iframehttp://vefire.ru/apps/11/
1iframehttp://criosfera.cf/marahmerah17.html
Limited view... Only the top entries being displayed.

Conditional redirections

Conditional redirections we have detected (based on user agents or referers).

# of sites infectedTypeMalware / Domains
9redirectionshttp://goodhotwebmart.in/
6redirectionshttp://www.mpzbearing.in/
5redirectionshttp://portal-d.pw/XcTyTp
4redirectionshttp://default7.com
4redirectionshttp://alfsystem.com.my/includes/domit/1.php
2redirectionshttp://wwwjazztel.com/?folio=9PO6Z3MVF
2redirectionshttp://ww1.zibahairsalon.com/?folio=9POGF6H4I
2redirectionshttp://ww1.mtclassificados.net/?folio=9POGF6H4I
2redirectionshttp://top-24h-can-store.com/redirect.php?z=viagra
2redirectionshttp://summerphotography.net/?folio=9PO6Z3MVF
2redirectionshttp://slonova-gora.com/?folio=9POGF6H4I
2redirectionshttp://nubiangraphics.com/?folio=9PO6Z3MVF
2redirectionshttp://myflippincoach.biz/Deals/MyFlippinCoach/
2redirectionshttp://mathaids.com/?folio=9PO6Z3MVF
2redirectionshttp://luxurytds.com/go.php?sid=
2redirectionshttp://luckyherbssupply.in/
2redirectionshttp://laatminute.com/?folio=9PO6Z3MVF
2redirectionshttp://huaweidevices.es/?folio=9POGF6H4I
2redirectionshttp://hotmp3s.com/?folio=9PO6Z3MVF
2redirectionshttp://goldpole.com/?folio=9PO6Z3MVF
Limited view... Only the top entries being displayed.

Spammers

Latest spammers we have detected sending comment, forum or SEO spam.

# of sites infectedTypeMalware / Domains
20spammerhttp://123livesex.com/,forumspam,2014-01
20spammerhttp://20min.ch,forumspam,2014-01
20spammerhttp://90210daily.com/,forumspam,2014-01
20spammerhttp://EzAdBlaster.com,forumspam,2014-01
20spammerhttp://absolutefringe.com,forumspam,2014-01
20spammerhttp://adaptfunrun.org/,forumspam,2014-01
20spammerhttp://andresmarcossanchez.com/MichaelKors/ ,forumspam,2014-01
20spammerhttp://appliancelandinc.com/,forumspam,2014-01
20spammerhttp://audiobookkeeper.ru/,forumspam,2014-01
20spammerhttp://australiainternetsearch.com/,forumspam,2014-01
20spammerhttp://autism.sedl.org/index.php/about-us,forumspam,2014-01
20spammerhttp://axanaxplease.com/,forumspam,2014-01
20spammerhttp://ayurvedatradicional.com/wordpress/ ,forumspam,2014-01
20spammerhttp://azezhomeloans.com/body.html,forumspam,2014-01
20spammerhttp://baltimorecomiccon.com/sponsors/,forumspam,2014-01
20spammerhttp://bashkiaprrenjas.com/,forumspam,2014-01
20spammerhttp://bellezzaamica.it/Moncler-Sale-With-Free-Shipping.html,forumspam,2014-01
20spammerhttp://birdsofstkittsnevis.com/files/,forumspam,2014-01
20spammerhttp://bmaphoenix.org/young-professionals/,forumspam,2014-01
20spammerhttp://bradblaze.com.au/,forumspam,2014-01
Limited view... Only the top entries being displayed.

Encoded javascript

Encoded javascript (redirecting to blackhole and other exploit kits) or to build a remote call.

# of sites infectedTypeMalware / Domains
12javascripthttp://div-class-container.ru/m/": var a910ab1=[855,915,955,960,973,887,970,971,976,963,956,916...
22javascript<script>var b="red";c="mod";function setCookie(a,b,c){var d=new Date;d.setTime(d.getTime()+60*c...
20javascript<script>var b="red";c="mod";function setCookie(a,b,c){var d=new Date;d.setTime(d.getTime()+60*c...
17javascript<script src="http://pops.virgilio.us/pop.php?id=1"></script>
10javascript<script>var b="red";c="mod";function setCookie(a,b,c){var d=new Date;d.setTime(d.getTime()+60*c...
9javascript<script type="text/javascript">var pid='52877';var pixel='468x60';var c_pid='YWQ2LmV1';var pare...
9javascript<script type="text/javascript" src="http://psicholog-msk.ru/scripts/kd7tvnbv.php?id=3023929"></...
3javascript<script>izs=19099;tm="168242";</script><script language="JavaScript" type="text/JavaScript" cha...
2javascript<script type="text/javascript" src="http://ledomaine-miltat.fr/crbst_pa_0_p_22dshk39np8ay/wqqry...
1javascript<script type="text/javascript" src="http://ledomaine-miltat.fr/crbst_pa_0_p_22dshk39np8ay/wqqry...
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