{"id":53935,"date":"2023-10-02T14:54:25","date_gmt":"2023-10-02T14:54:25","guid":{"rendered":"https:\/\/packetstormsecurity.com\/news\/view\/35076\/Mass-Exploitation-Attempts-Against-WS_FTP-Have-Begun.html"},"modified":"2023-10-02T14:54:25","modified_gmt":"2023-10-02T14:54:25","slug":"mass-exploitation-attempts-against-ws_ftp-have-begun","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/mass-exploitation-attempts-against-ws_ftp-have-begun\/","title":{"rendered":"Mass Exploitation Attempts Against WS_FTP Have Begun"},"content":{"rendered":"<p>Security researchers have spotted what they believe to be a &#8220;possible mass exploitation&#8221; of vulnerabilities in Progress Software&#8217;s WS_FTP Server.<\/p>\n<p>Researchers at Rapid7 began noticing evidence of exploitation on 30 September across multiple instances of WS_FTP.<\/p>\n<p>Progress <a target=\"_blank\" href=\"https:\/\/www.theregister.com\/2023\/10\/01\/in_brief_infosec\/\" rel=\"noopener\">released fixes<\/a> for eight separate vulnerabilities in WS_FTP on Wednesday, including one rated a maximum score of 10 on the CVSS severity scale. Days later, the company said there was no evidence of exploitation at the time.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"condor\" data-xsm=\",fluid,mpu,\" data-sm=\",fluid,mpu,\" data-md=\",fluid,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/cybercrime&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=2&amp;c=2ZRts2Uoei39qJ3Xbjsw2OAAAABM&amp;t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/cybercrime&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=2&amp;c=2ZRts2Uoei39qJ3Xbjsw2OAAAABM&amp;t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<p>Researchers didn&#8217;t specify which of the vulnerabilities were being exploited, but noted it appeared that &#8220;one or more&#8221; of those included in Progress&#8217; eight-vulnerability advisory were the subject of exploit attempts.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"falcon\" data-xmd=\",fluid,mpu,leaderboard,\" data-lg=\",fluid,mpu,leaderboard,\" data-xlg=\",fluid,billboard,superleaderboard,mpu,leaderboard,\" data-xxlg=\",fluid,billboard,superleaderboard,brandwidth,brandimpact,leaderboard,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/cybercrime&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44ZRts2Uoei39qJ3Xbjsw2OAAAABM&amp;t=ct%3Dns%26unitnum%3D4%26raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/cybercrime&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44ZRts2Uoei39qJ3Xbjsw2OAAAABM&amp;t=ct%3Dns%26unitnum%3D426raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<div class=\"adun_eagle_desktop_story_wrapper\">\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"mid\" data-raptor=\"eagle\" data-xxlg=\",mpu,dmpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/cybercrime&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33ZRts2Uoei39qJ3Xbjsw2OAAAABM&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/cybercrime&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33ZRts2Uoei39qJ3Xbjsw2OAAAABM&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<\/p><\/div>\n<p>Attacks began in the evening of September 30 and Rapid7 received alerts from multiple customer environments of attempted attacks within minutes of each other, according to the <a href=\"https:\/\/www.rapid7.com\/blog\/post\/2023\/09\/29\/etr-critical-vulnerabilities-in-ws_ftp-server\/\" rel=\"nofollow\">blog post<\/a> from Caitlin Condon, senior manager of vulnerability research at Rapid7.<\/p>\n<p>After analyzing the exploit chain, researchers concluded that the process appeared to be uniform across all the incidents they were alerted to, which could potentially indicate a cyber crim is attempting a mass-scale exploitation attempt of vulnerable WS_FTP instances.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"falcon\" data-xsm=\",fluid,mpu,\" data-sm=\",fluid,mpu,\" data-md=\",fluid,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/cybercrime&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44ZRts2Uoei39qJ3Xbjsw2OAAAABM&amp;t=ct%3Dns%26unitnum%3D4%26raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/cybercrime&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44ZRts2Uoei39qJ3Xbjsw2OAAAABM&amp;t=ct%3Dns%26unitnum%3D426raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<p>Researchers pointed to a single Burpsuite domain used in every exploit attempt they analyzed, lending additional support to the idea that a single baddie is responsible for the attempts.<\/p>\n<p>Detailing the attack chain, Rapid7 <a href=\"https:\/\/www.rapid7.com\/blog\/post\/2023\/09\/29\/etr-critical-vulnerabilities-in-ws_ftp-server\/\" rel=\"nofollow\">said<\/a> the child process was responsible for executing NTUSER.dll which, after analysis, is thought to be associated with Bishop Fox&#8217;s legitimate red-team post-exploitation kit, Silver.<\/p>\n<p>Exploit attempts seem to be low in volume at present and visible by a limited selection of telemetry. Bob Rudis of GreyNoise Intelligence, for example, <a href=\"https:\/\/mastodon.social\/@hrbrmstr\/111161224582938984\" rel=\"nofollow\">said<\/a> that his team were still not detecting any attempts as of October 1.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" id=\"story_eagle_xsm_sm_md_xmd_lg_xlg\" data-pos=\"mid\" data-raptor=\"eagle\" data-xsm=\",mpu,dmpu,\" data-sm=\",mpu,dmpu,\" data-md=\",mpu,dmpu,\" data-xmd=\",mpu,dmpu,\" data-lg=\",mpu,dmpu,\" data-xlg=\",mpu,dmpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_security\/cybercrime&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33ZRts2Uoei39qJ3Xbjsw2OAAAABM&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_security\/cybercrime&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33ZRts2Uoei39qJ3Xbjsw2OAAAABM&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<p>The researchers at AssetNote, which is credited with the discovery of CVE-20233-40044, the maximum-severity vulnerability in WS_FTP, <a href=\"https:\/\/www.assetnote.io\/resources\/research\/rce-in-progress-ws-ftp-ad-hoc-via-iis-http-modules-cve-2023-40044\" rel=\"nofollow\">said<\/a> its telemetry indicates that 2,900 hosts are running the file transfer software, many of which are large enterprises, governments, and education institutions.<\/p>\n<p>Progress Software said the product has 40 million users and its website specifically names some of its high-profile customers, including gaming company RockSteady, NFL team Denver Broncos, Scientific American, and high-street retail giant H&amp;M.<\/p>\n<p>Proof of concept (PoC) code for CVE-20233-40044 began circulating online two days after Progress released its security advisory.<\/p>\n<p>When security advisories are issued, PoC code is often developed fairly quickly, meaning exploit attempts usually follow.&nbsp;<\/p>\n<p>Rapid7 stressed the importance of upgrading to the latest version of WS_FTP as soon as possible, which comes with the required updates to address the security issues that affect a wide range of previous versions of the software.<\/p>\n<p>For customers that are using WS_FTP with the Ad Hoc Transfer module &#8211; a configuration that&#8217;s targeted by a subset of the eight vulnerabilities disclosed by Progress &#8211; they are urged to either disable or remove the module.<\/p>\n<h3 class=\"crosshead\">Progress Software&#8217;s year to forget<\/h3>\n<p>The issues affecting WS_FTP are the latest in what has been a challenging year for the software firm behind the product.<\/p>\n<p>Another of its file transfer products, <a target=\"_blank\" href=\"https:\/\/www.theregister.com\/2023\/09\/26\/ontario_born_moveit_breach\/\" rel=\"noopener\">MOVEit Transfer<\/a>, was the target of mass exploitation earlier this year from the Cl0p cybercriminal crew.<\/p>\n<p>The group, which this year has become more of a hack-and-extort gang, forgoing the ransomware element entirely, has broken into at least 400 organizations after exploiting a zero-day in MOVEit Transfer.<\/p>\n<p>Most attacks have involved stealing data from victims and holding it to ransom, a <a href=\"https:\/\/www.zscaler.com\/press\/zscaler-2023-ransomware-report-shows-nearly-40-increase-global-ransomware-attacks\" rel=\"nofollow\">tactic<\/a> adopted by an increasing number of ransomware-associated criminals throughout 2023 including Cl0p, RansomHouse, BianLian, and Karakurt.<\/p>\n<p>As a result of the mass exploitation of MOVEit Transfer, Progress is facing a swathe of lawsuits because of the attacks which are still ongoing months after they began in June.<\/p>\n<p>Researchers at Coveware <a href=\"https:\/\/www.coveware.com\/blog\/2023\/7\/21\/ransom-monetization-rates-fall-to-record-low-despite-jump-in-average-ransom-payments\" rel=\"nofollow\">said<\/a> in July that they expect Cl0p&#8217;s campaign against MOVEit to net the cyber criminals between $75 million to $100 million, and that victims were paying much higher ransoms compared to Cl0p&#8217;s previous attacks.<\/p>\n<p>&#8220;While the MOVEit campaign may end up impacting over 1,000 companies directly, and an order of magnitude more indirectly, a very very small percentage of victims bothered trying to negotiate, let alone contemplated paying,&#8221; said Coveware.&nbsp;<\/p>\n<p>&#8220;Those that did pay, paid substantially more than prior Clop campaigns, and several times more than the global average ransom amount of $740,144.&#8221; \u00ae<\/p>\n<p> READ MORE <a href=\"https:\/\/packetstormsecurity.com\/news\/view\/35076\/Mass-Exploitation-Attempts-Against-WS_FTP-Have-Begun.html\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>READ MORE HERE&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[277],"tags":[256],"class_list":["post-53935","post","type-post","status-publish","format-standard","hentry","category-cybersecurity-blogs","tag-headlinehackerflaw"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mass Exploitation Attempts Against WS_FTP Have Begun 2026 | ThreatsHub Cybersecurity News<\/title>\n<meta name=\"description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat 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