Cloudflare reports ‘alarming surge’ in DDoS sophistication, escalation in recent months | CyberScoop<\/title> <meta name=\"description\" content=\"Attacks used to make websites and web services inaccessible are evolving and becoming more concerning, the company said Tuesday.\"> <link rel=\"canonical\" href=\"https:\/\/cyberscoop.com\/cloudflare-ddos-escalation\/\"> <meta property=\"og:locale\" content=\"en_US\"> <meta property=\"og:type\" content=\"article\"> <meta property=\"og:title\" content=\"Cloudflare reports 'alarming surge' in DDoS sophistication, escalation in recent months\"> <meta property=\"og:description\" content=\"Attacks used to make websites and web services inaccessible are evolving and becoming more concerning, the company said Tuesday.\"> <meta property=\"og:url\" content=\"https:\/\/cyberscoop.com\/cloudflare-ddos-escalation\/\"> <meta property=\"og:site_name\" content=\"CyberScoop\"> <meta property=\"article:published_time\" content=\"2023-07-18T21:05:06+00:00\"> 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class=\"single-article__header-content\" readability=\"31.866666666667\">\n<p> Attacks used to make websites and web services inaccessible are evolving and becoming more concerning, the company said Tuesday. <\/p>\n<\/p><\/div>\n<div class=\"single-article__cover-wrap\">\n<figure class=\"single-article__cover\"> <img data-recalc-dims=\"1\" fetchpriority=\"high\" width=\"640\" height=\"426\" src=\"https:\/\/i0.wp.com\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months.jpg?resize=640%2C426&ssl=1\" class=\"single-article__cover-image wp-post-image\" alt decoding=\"async\" srcset=\"https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months-1.jpg 1920w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months-1.jpg?resize=300,200 300w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months-1.jpg?resize=768,512 768w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months-1.jpg?resize=1024,683 1024w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months-1.jpg?resize=1536,1024 1536w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months-1.jpg?resize=600,400 600w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months-1.jpg?resize=252,168 252w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months-1.jpg?resize=506,337 506w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months-1.jpg?resize=1013,675 1013w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months-1.jpg?resize=1265,843 1265w\" sizes=\"(max-width: 1013px) 100vw, 1013px\"><figcaption> (audriusmerfeldas\/Getty Images) <\/figcaption><\/figure>\n<\/p><\/div>\n<\/header>\n<div class=\"single-article__content\">\n<div class=\"single-article__content-inner has-drop-cap\"> <html readability=\"39.673469387755\"><body readability=\"79.716597205197\"><\/p>\n<p>The second quarter of 2023 has seen \u201can alarming escalation in the sophistication\u201d of distributed denial-of-service attacks, Cloudflare said Tuesday, pointing to a proliferation of more targeted digital assaults designed to take down websites and other connected services.<\/p>\n<p>Cloudflare, a company that mitigates DDoS attacks and provides other web services, said in its <a href=\"https:\/\/blog.cloudflare.com\/ddos-threat-report-2023-q2\/\" target=\"_blank\" rel=\"noreferrer noopener\">second quarter threat report<\/a> that it has tracked thousands of attacks launched by a consortium of pro-Russian hacktivist groups, increases in targeted domain name system attacks, and a 600% increase in DDoS attacks on cryptocurrency websites.<\/p>\n<p>Although DDoS attacks are sometimes considered unsophisticated and more of a nuisance than anything, they can be highly disruptive. <\/p>\n<p>\u201cRecovering from a DDoS attack can last much longer than the attack itself \u2014 just as a boxer might need a while to recover from a punch to the face that only lasts a fraction of a second,\u201d Cloudfare\u2019s Omer Yoachimik and Jorge Pacheco wrote in the report. <\/p>\n<div class=\"ad ad--inline_1 \">\n<div class=\"ad__inner\"> <span class=\"screen-reader-text\">Advertisement<\/span> <\/div>\n<\/div>\n<p>The <a href=\"https:\/\/www.washingtonpost.com\/politics\/2023\/06\/27\/lowly-ddos-attack-is-showing-signs-being-anything\/\" target=\"_blank\" rel=\"noreferrer noopener\">Washington Post\u2019s Tim Starks reported in June<\/a> that the broader tech community is also noticing increasing intensity and craftiness of DDoS attacks, particularly concerning threats in the context of the Russian war on Ukraine and attacks on financial services providers. <\/p>\n<p>Cloud-based virtual machines and virtual private servers are enabling larger attacks, the Cloudflare authors said, as part of a \u201cnew generation of <a href=\"https:\/\/www.paloaltonetworks.com\/cyberpedia\/what-is-botnet\" target=\"_blank\" rel=\"noreferrer noopener\">botnets<\/a>.\u201d These new botnets are capable of delivering thousands of times more traffic than traditional ones. In February such an attack produced the largest DDoS attack on record, the <a href=\"https:\/\/blog.cloudflare.com\/cloudflare-mitigates-record-breaking-71-million-request-per-second-ddos-attack\/\" target=\"_blank\" rel=\"noreferrer noopener\">company said at the time<\/a>.<\/p>\n<p>Among the concerning developments over the past three months, according to Cloudflare, is the 15% increase in <a href=\"https:\/\/www.cloudflare.com\/learning\/ddos\/http-flood-ddos-attack\/\" target=\"_blank\" rel=\"noreferrer noopener\">HTTP DDoS<\/a> attacks, which target websites and third-party gateways into those sites, even as this kind of attack was down year over year.<\/p>\n<p>\u201cIt appears as though the threat actors behind these attacks have deliberately engineered the attacks to try and overcome mitigation systems by adeptly imitating browser behavior very accurately, in some cases, by introducing a high degree of randomization on various properties such as <a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/HTTP\/Headers\/User-Agent\" target=\"_blank\" rel=\"noreferrer noopener\">user agents<\/a> and <a href=\"https:\/\/developers.cloudflare.com\/bots\/concepts\/ja3-fingerprint\/\" target=\"_blank\" rel=\"noreferrer noopener\">JA3 fingerprints<\/a> to name a few,\u201d the authors wrote. \u201cIn many of these attacks, it seems that the threat actors try to keep their attack rates-per-second relatively low to try and avoid detection and hide amongst the legitimate traffic.\u201d <\/p>\n<p>Microsoft suffered such an attack in early June as part of a broader assault on <a href=\"https:\/\/msrc.microsoft.com\/blog\/2023\/06\/microsoft-response-to-layer-7-distributed-denial-of-service-ddos-attacks\/\" target=\"_blank\" rel=\"noreferrer noopener\">the company attributed<\/a> to a group it calls Storm-1359, or more widely as Anonymous Sudan. The group is affiliated with a network of pro-Russian hacktivist personas and could itself be a either a direct product of or a group working in conjunction with Russian government interests, according to <a href=\"https:\/\/files.truesec.com\/hubfs\/Reports\/Anonymous%20Sudan%20-%20Publish%201.2%20-%20a%20Truesec%20Report.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">cybersecurity firm Truesec<\/a>.<\/p>\n<div class=\"ad ad--inline_1 \">\n<div class=\"ad__inner\"> <span class=\"screen-reader-text\">Advertisement<\/span> <\/div>\n<\/div>\n<p>\u201cThis level of sophistication has previously been associated with state-level and state-sponsored threat actors, and it seems these capabilities are now at the disposal of cyber criminals,\u201d the Cloudflare authors wrote.<\/p>\n<p>The report notes that in June Anonymous Sudan publicly joined forces with Killnet and a persona claiming to be the resurgence of the erstwhile REvil ransomware syndicate to form the \u201c<a href=\"https:\/\/www.darkreading.com\/risk\/killnet-threatens-imminent-swift-world-banking-attacks\" target=\"_blank\" rel=\"noreferrer noopener\">Darknet Parliament<\/a>\u201d to target perceived enemies of the Russian government.<\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" loading=\"lazy\" width=\"444\" height=\"803\" src=\"https:\/\/i0.wp.com\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months.png?resize=444%2C803&ssl=1\" alt class=\"wp-image-75625\" srcset=\"https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months.png 444w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months.png?resize=166,300 166w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months.png?resize=332,600 332w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months.png?resize=93,168 93w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months.png?resize=186,337 186w, https:\/\/ddi.mohflo.net\/wp-content\/uploads\/2023\/07\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months.png?resize=373,675 373w\" sizes=\"auto, (max-width: 444px) 100vw, 444px\"><figcaption class=\"wp-element-caption\">Screenshot of the \u201cDARKNET parliament announcement posted June 16 in the Killnet Telegram channel (CyberScoop).<\/figcaption><\/figure>\n<p>A message posted to the Killnet channel several days later said \u201ca drunk came up with the name for the sake of trolling,\u201d and the Cloudflare report noted that despite the trio of personas launching as many as 10,000 DDoS against Cloudflare-protected websites, the team had not \u201cobserved any novel DDoS attacks or disruptions.\u201d <\/p>\n<p>DNS laundering DDoS attacks were the most common type of DDoS over the second quarter of 2023, the report said. 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{"id":1489,"date":"2023-07-18T21:05:06","date_gmt":"2023-07-18T21:05:06","guid":{"rendered":"https:\/\/cyberscoop.com\/?p=75614"},"modified":"2023-07-18T21:05:06","modified_gmt":"2023-07-18T21:05:06","slug":"cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months","status":"publish","type":"post","link":"https:\/\/ddi.mohflo.net\/index.php\/2023\/07\/18\/cloudflare-reports-alarming-surge-in-ddos-sophistication-escalation-in-recent-months\/","title":{"rendered":"Cloudflare reports \u2018alarming surge\u2019 in DDoS sophistication, escalation in recent months"},"content":{"rendered":"