The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of new targeted cyber attacks in the country using a backdoor called CABINETRAT.<\/p>\n\n\n\n
The activity, observed<\/a> in September 2025, has been attributed to a threat cluster it tracks as UAC-0245<\/strong>. The agency said it spotted the attack following the discovery of software tools taking the form of XLL files<\/a>, which refer to Microsoft Excel add-ins that are typically used to extend the functionality of Excel with custom functions.<\/p>\n\n\nUkraine Warns of CABINETRAT Backdoor + XLL Add-ins Spread via Signal ZIPs<\/a>: Ukraine Warns of CABINETRAT Backdoor + XLL Add-ins Spread via Signal ZIPs<\/span><\/a>","protected":false},"excerpt":{"rendered":" The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of new targeted cyber attacks in the country using a backdoor called CABINETRAT. The activity, observed in September 2025, has been attributed to a threat cluster it tracks as UAC-0245. The agency said it spotted the attack following the discovery of software tools…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[40],"class_list":["post-804","post","type-post","status-publish","format-standard","hentry","category-vulnerability","tag-40"],"_links":{"self":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts\/804","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/comments?post=804"}],"version-history":[{"count":1,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts\/804\/revisions"}],"predecessor-version":[{"id":805,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/posts\/804\/revisions\/805"}],"wp:attachment":[{"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/media?parent=804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/categories?post=804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/familiebuckens.nl\/index.php\/wp-json\/wp\/v2\/tags?post=804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}