{"id":241875,"date":"2026-07-30T20:25:29","date_gmt":"2026-07-31T01:25:29","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/07\/hackers-exploit-anysign4pc-via-hacked-korean-sites-to-install-backdoors-without-prompts"},"modified":"2026-07-30T20:25:29","modified_gmt":"2026-07-31T01:25:29","slug":"hackers-exploit-anysign4pc-via-hacked-korean-sites-to-install-backdoors-without-prompts","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/07\/hackers-exploit-anysign4pc-via-hacked-korean-sites-to-install-backdoors-without-prompts","title":{"rendered":"Hackers Exploit AnySign4PC via Hacked Korean Sites to Install Backdoors Without Prompts"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/hackers-exploit-anysign4pc-via-hacked-korean-sites-to-install-backdoors-without-prompts2.jpg\"><\/a><\/p>\n<p>South Korean authorities and four security firms have disclosed a state-sponsored campaign that compromised trusted domestic websites. The attackers used those sites to exploit locally installed financial-security software and infect targeted visitors with <strong>SIGNBT <\/strong>or <strong>COPPERHEDGE <\/strong>backdoors.<\/p>\n<p>A compromised page could infect a system running a vulnerable AnySign4PC version without a prompt or user-initiated download. The Korea Internet &amp; Security Agency (KISA) says AnySign4PC versions 1.1.4.4 through 1.1.4.6 are affected and lists version 1.1.5.0 as the fixed release. It recommends deleting vulnerable installations.<\/p>\n<p>AhnLab refers to two exploited products only as financial-security software A and I. Its report does not disclose their identities, affected or fixed versions, or vulnerability identifiers.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>South Korean authorities and four security firms have disclosed a state-sponsored campaign that compromised trusted domestic websites. The attackers used those sites to exploit locally installed financial-security software and infect targeted visitors with SIGNBT or COPPERHEDGE backdoors. A compromised page could infect a system running a vulnerable AnySign4PC version without a prompt or user-initiated download. [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,45,418],"tags":[],"class_list":["post-241875","post","type-post","status-publish","format-standard","hentry","category-cybercrime-malcode","category-finance","category-internet"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/241875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=241875"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/241875\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=241875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=241875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=241875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}