{"id":7186,"date":"2025-09-25T07:03:45","date_gmt":"2025-09-25T07:03:45","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2025\/09\/25\/unc5221-uses-brickstorm-backdoor-to-html\/"},"modified":"2025-09-25T07:03:45","modified_gmt":"2025-09-25T07:03:45","slug":"unc5221-uses-brickstorm-backdoor-to-html","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2025\/09\/25\/unc5221-uses-brickstorm-backdoor-to-html\/","title":{"rendered":"UNC5221 Uses BRICKSTORM Backdoor to Infiltrate U.S. Legal and Technology Sectors"},"content":{"rendered":"<p>    UNC5221 Uses BRICKSTORM Backdoor to Infiltrate U.S. Legal and Technology Sectors<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>Companies in the legal services, software-as-a-service (SaaS) providers, Business Process Outsourcers (BPOs), and technology sectors in the U.S. have been targeted by a suspected China-nexus cyber espionage group to deliver a known backdoor referred to as BRICKSTORM.<br \/>\nThe activity, attributed to UNC5221 and closely related, suspected China-nexus threat clusters, is designed to facilitate<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><\/p>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/thehackernews.com\/2025\/09\/unc5221-uses-brickstorm-backdoor-to.html\">Go to TheHackersNews<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>UNC5221 Uses BRICKSTORM Backdoor to Infiltrate U.S. Legal and Technology Sectors Companies in the legal services, software-as-a-service (SaaS) providers, Business Process Outsourcers (BPOs), and technology sectors in the U.S. have been targeted by a suspected China-nexus cyber espionage group to deliver a known backdoor referred to as BRICKSTORM. The activity, attributed to UNC5221 and closely [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[76],"class_list":["post-7186","post","type-post","status-publish","format-standard","hentry","category-thehackersnews","tag-thehackersnews"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/7186"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=7186"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/7186\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=7186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=7186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=7186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}