{"id":13573,"date":"2026-06-12T11:03:35","date_gmt":"2026-06-12T11:03:35","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2026\/06\/12\/onyxc2-stealer-uses-cloudflare-fronted-c2\/"},"modified":"2026-06-12T11:03:35","modified_gmt":"2026-06-12T11:03:35","slug":"onyxc2-stealer-uses-cloudflare-fronted-c2","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2026\/06\/12\/onyxc2-stealer-uses-cloudflare-fronted-c2\/","title":{"rendered":"OnyxC2 Stealer Uses Cloudflare-Fronted C2 to Exfiltrate Browser Data and Credentials"},"content":{"rendered":"<p>    OnyxC2 Stealer Uses Cloudflare-Fronted C2 to Exfiltrate Browser Data and Credentials<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>A new commercial-grade information stealer, marketed as OnyxC2, surfaced on cybercrime forums in early 2026 and demonstrates how commodity malware is increasingly packaged as&#8230;<br \/>\nDelivered by PolitePaul service<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><\/p>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/gbhackers.com\/onyxc2-stealer-uses-cloudflare-fronted-c2\/\">Go to gbhackers.com<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>OnyxC2 Stealer Uses Cloudflare-Fronted C2 to Exfiltrate Browser Data and Credentials A new commercial-grade information stealer, marketed as OnyxC2, surfaced on cybercrime forums in early 2026 and demonstrates how commodity malware is increasingly packaged as&#8230; Delivered by PolitePaul service Go to gbhackers.com<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65],"tags":[81],"class_list":["post-13573","post","type-post","status-publish","format-standard","hentry","category-gbhackers","tag-gbhackers"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/13573"}],"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=13573"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/13573\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=13573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=13573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=13573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}