{"id":39052,"date":"2021-01-07T22:30:00","date_gmt":"2021-01-07T22:30:00","guid":{"rendered":"https:\/\/www.darkreading.com\/threat-intelligence\/fireeyes-mandia-severity-zero-alert-led-to-discovery-of-solarwinds-attack\/d\/d-id\/1339851"},"modified":"2021-01-07T22:30:00","modified_gmt":"2021-01-07T22:30:00","slug":"fireeyes-mandia-severity-zero-alert-led-to-discovery-of-solarwinds-attack","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/fireeyes-mandia-severity-zero-alert-led-to-discovery-of-solarwinds-attack\/","title":{"rendered":"FireEye&#8217;s Mandia: &#8216;Severity-Zero Alert&#8217; Led to Discovery of SolarWinds Attack"},"content":{"rendered":"<div><img decoding=\"async\" src=\"https:\/\/img.deusm.com\/darkreading\/dr_staff_125x125.jpg\" class=\"ff-og-image-inserted\"><\/div>\n<header><\/header>\n<p><span class=\"strong black\">CEO Kevin Mandia shared some details on how his company rooted out the major cyberattack campaign affecting US government and corporate networks.<\/span><\/p>\n<p class>FireEye CEO Kevin Mandia today shared some insight on the <a href=\"https:\/\/www.darkreading.com\/attacks-breaches\/nation-state-hackers-breached-fireeye-stole-its-red-team-tools\/d\/d-id\/1339652\" target=\"_blank\" rel=\"noopener noreferrer\">cyberattack on the security firm<\/a> that was the first clue to a massive and wide-ranging attack campaign against several major US government and commercial networks.<\/p>\n<p>In a panel today hosted by the Aspen Institute, Mandia described how his company first recognized the serious <a href=\"https:\/\/www.darkreading.com\/threat-intelligence\/fireeye-breach-fallout-yet-to-be-felt\/d\/d-id\/1339680\" target=\"_blank\" rel=\"noopener noreferrer\">attack it had suffered<\/a>, describing how a newly registered phone using a FireEye user account was the first indication of malicious activity. &#8220;In this particular case, the event that got briefed to me and got us to escalate and declare this a full-blown incident was somebody was accessing our network just like we do, but they were doing it with a second registered device,&#8221; he explained. The FireEye user whose account was associated with the flagged access was contacted and asked if he had registered a new phone, but he had not.<\/p>\n<p>&#8220;Even though this was a severity-zero alert&#8221; at first, Mandia said, it was evidence of a major security event. &#8220;We had somebody bypassing our two-factor authentication by registering a new device and accessing our network just like our employees do, but it actually wasn&#8217;t our employee&#8221; doing it, he said.<\/p>\n<p>Details about the illicit phone used in the attack was <a href=\"https:\/\/news.yahoo.com\/hackers-last-year-conducted-a-dry-run-of-solar-winds-breach-215232815.html?guccounter=1&amp;guce_referrer=aHR0cHM6Ly90LmNvLw&amp;guce_referrer_sig=AQAAAC7CF1hMKsSwPkFr08qHl7IjGvvrISPwZ-sXnrEi1aC09n65_7NTUOvIDO08q9JXqa7tI-0xXUSmwFjok4qvG2HRlEViHzCyC-svicG9MZyF9_3-nSFLzTsA1xhSrStgu95SQx3ZPF6vm9VNszWfMXOG9MHk5wbzplNRxXQ25Wl6\" target=\"_blank\" rel=\"noopener noreferrer\">first reported by Yahoo News<\/a> last month, in an interview with Charles Carmakal, senior vice president and CTO of FireEye. &#8220;They had to provide credentials to authenticate [their device] to the [multifactor authentication system] in order to authenticate to the FireEye VPN,&#8221; Carmakal told Yahoo News. &#8220;It was the process the attacker followed to enroll in the MFA solution, which is what generated the alert. But at this point, the attacker already had the employee&#8217;s username and password.&#8221;<\/p>\n<p>Mandia said that method of attack was a big red flag. &#8220;The minute we saw that, we recognized that&#8217;s the kind of tradecraft advanced groups would do,&#8221; Mandia noted. No malware, and under the guise of a legitimate user, &#8220;doing exactly what your employees do when they go to work every day.&#8221;<\/p>\n<p>&#8220;There&#8217;s no magical wand that &#8230; finds backdoors in software that we all purchase and trust,&#8221; he said. &#8220;What led us to do that [decompiling] work was, in fact, all of the forensics&#8221; we conducted beforehand, he says.FireEye had investigated packet captures and forensic software logs on its endpoints and found one common thread: &#8220;It kept backing into, the earliest evidence of compromise for us was the system that harbored the SolarWinds product,&#8221; he said. So, the company went to work decompiling code and found 4,000 lines of malicious code.<\/p>\n<p>The attackers planted malware in legitimate updates to SolarWinds&#8217; Orion network management software that was sent to some 18,000 public and private sector customers of the software. According to US intelligence assessments, a very small number of those organizations actually were targeted and compromised.<\/p>\n<p><strong>The Attack on FireEye<\/strong><br \/>Stage one of the attack planted the backdoor onto FireEye&#8217;s network via the SolarWinds platform, Mandia said. Stage two used the backdoor to access domain credentials, he said, such as user accounts and passphrases. &#8220;Stage three was to get the token signing-certs to access O365, likely for specific email accounts,&#8221; Mandia said. The final stage of the FireEye attack was the theft of its red-team tools.<\/p>\n<p>Mandia said he had not seen many &#8220;.com&#8221; breaches for this type of espionage, so the attack group behind this &#8220;smells different.&#8221;<\/p>\n<p>While the US intelligence community as well as several government officials and security experts have cited <a href=\"https:\/\/www.darkreading.com\/risk\/fbi-cisa-nsa-and-odni-cite-russia-in-joint-statement-on-serious-solarwinds-attacks\/d\/d-id\/1339829\" target=\"_blank\" rel=\"noopener noreferrer\">Russia as the perpetrator<\/a>, FireEye has not done so. The company has attributed the attack to an unknown or unclassified group or nation-state. &#8220;We have not made any attribution beyond assigning this activity to UNC 2452. An UNC group, short for unclassified, is a cluster of cyber-intrusion activity \u2014 which includes observable artifacts such as adversary infrastructure, tools, and tradecraft \u2014 that we are not yet ready to give a classification such as APT or FIN,&#8221; a FireEye spokesperson said. &#8220;As we collect additional intelligence, UNC group activity can be assigned to an existing group, graduated to a new group, or simply remain unclassified.&#8221;<\/p>\n<p><span class=\"italic\">Kelly Jackson Higgins is the Executive Editor&nbsp;of Dark Reading. She is an award-winning veteran technology and business journalist with more than two decades of experience in reporting and editing for various publications, including Network Computing, Secure Enterprise &#8230; <a href=\"https:\/\/www.darkreading.com\/author-bio.asp?author_id=322\">View Full Bio<\/a><\/span><\/p>\n<p><strong>Recommended Reading:<\/strong><\/p>\n<p><span class=\"smaller strong red allcaps\">More Insights<\/span><\/p>\n<p>Read More <a href=\"https:\/\/www.darkreading.com\/threat-intelligence\/fireeyes-mandia-severity-zero-alert-led-to-discovery-of-solarwinds-attack\/d\/d-id\/1339851?_mc=rss_x_drr_edt_aud_dr_x_x-rss-simple\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CEO Kevin Mandia shared some details on how his company rooted out the major cyberattack campaign affecting US government and corporate networks. Read More <a href=\"https:\/\/www.darkreading.com\/threat-intelligence\/fireeyes-mandia-severity-zero-alert-led-to-discovery-of-solarwinds-attack\/d\/d-id\/1339851?_mc=rss_x_drr_edt_aud_dr_x_x-rss-simple\">HERE<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[151],"tags":[],"class_list":["post-39052","post","type-post","status-publish","format-standard","hentry","category-darkreading-ti"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>FireEye&#039;s Mandia: &#039;Severity-Zero Alert&#039; Led to Discovery of SolarWinds Attack 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 Intelligent and Cybersecurity News.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.threatshub.org\/blog\/fireeyes-mandia-severity-zero-alert-led-to-discovery-of-solarwinds-attack\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FireEye&#039;s Mandia: &#039;Severity-Zero Alert&#039; 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