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Mirai Botnet Exploits Ivanti Connect Secure Flaws for Malicious Payload Delivery

Mirai Botnet Exploits Ivanti Connect Secure Flaws for Malicious Payload Delivery
May 09, 2024 Network Security / Botnet
Two recently disclosed security flaws in Ivanti Connect Secure (ICS) devices are being exploited to deploy the infamous  Mirai botnet . That's according to  findings  from Juniper Threat Labs, which said the vulnerabilities  CVE-2023-46805 and CVE-2024-21887  have been leveraged to deliver the botnet payload. While CVE-2023-46805 is an authentication bypass flaw, CVE-2024-21887 is a command injection vulnerability, thereby allowing an attacker to chain the two into an exploit chain to execute arbitrary code and take over susceptible instances. In the attack chain observed by the network security company, CVE-2023-46805 is exploited to gain access to the "/api/v1/license/key-status/;" endpoint, which is vulnerable to command injection, and inject the payload. As  previously outlined  by Assetnote in their technical deep dive of the CVE-2024-21887, the exploit is triggered by means of a request to "/api/v1/totp/user-backup-code/" to deploy the malware. &quo

MITRE Corporation Breached by Nation-State Hackers Exploiting Ivanti Flaws

MITRE Corporation Breached by Nation-State Hackers Exploiting Ivanti Flaws
Apr 22, 2024 Network Security / Cybersecurity
The MITRE Corporation revealed that it was the target of a nation-state cyber attack that exploited two zero-day flaws in Ivanti Connect Secure appliances starting in January 2024. The intrusion led to the compromise of its Networked Experimentation, Research, and Virtualization Environment (NERVE), an unclassified research and prototyping network. The unknown adversary "performed reconnaissance of our networks, exploited one of our Virtual Private Networks (VPNs) through two Ivanti Connect Secure zero-day vulnerabilities, and skirted past our multi-factor authentication using session hijacking," Lex Crumpton, a defensive cyber operations researcher at the non-profit,  said  last week. The attack entailed the  exploitation  of CVE-2023-46805 (CVSS score: 8.2) and CVE-2024-21887 (CVSS score: 9.1), which could be weaponized by threat actors to bypass authentication and run arbitrary commands on the infected system. Upon gaining initial access, the threat actors moved late

Nation-State Actors Weaponize Ivanti VPN Zero-Days, Deploying 5 Malware Families

Nation-State Actors Weaponize Ivanti VPN Zero-Days, Deploying 5 Malware Families
Jan 12, 2024 Vulnerability / Threat Intelligence
As many as five different malware families were deployed by suspected nation-state actors as part of post-exploitation activities leveraging  two zero-day vulnerabilities  in Ivanti Connect Secure (ICS) VPN appliances since early December 2023. "These families allow the threat actors to circumvent authentication and provide backdoor access to these devices," Mandiant  said  in an analysis published this week. The Google-owned threat intelligence firm is tracking the threat actor under the moniker  UNC5221 .  The attacks leverage an exploit chain comprising an authentication bypass flaw (CVE-2023-46805) and a code injection vulnerability (CVE-2024-21887) to take over susceptible instances. Volexity, which attributed the activity to a suspected Chinese espionage actor named UTA0178, said the twin flaws were used to gain initial access, deploy webshells, backdoor legitimate files, capture credentials and configuration data, and pivot further into the victim environment. Ac

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SHQ Response Platform and Risk Centre to Enable Management and Analysts Alike

SHQ Response Platform and Risk Centre to Enable Management and Analysts Alike
May 13, 2024Threat Detection / SoC / SIEM
In the last decade, there has been a growing disconnect between front-line analysts and senior management in IT and Cybersecurity. Well-documented challenges facing modern analysts revolve around a high volume of alerts, false positives, poor visibility of technical environments, and analysts spending too much time on manual tasks. The Impact of Alert Fatigue and False Positives  Analysts are overwhelmed with alerts. The knock-on effect of this is that fatigued analysts are at risk of missing key details in incidents, and often conduct time-consuming triaging tasks manually only to end up copying and pasting a generic closing comment into a false positive alert.  It is likely that there will always be false positives. And many would argue that a false positive is better than a false negative. But for proactive actions to be made, we must move closer to the heart of an incident. That requires diving into how analysts conduct the triage and investigation process. SHQ Response Platfo
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