Ongoing SonicWall Secure Mobile Access (SMA) Exploitation Campaign using the OVERSTEP Backdoor


Google Threat Intelligence Group (GTIG) has identified an ongoing campaign by a suspected financially-motivated threat actor we track as UNC6148, targeting fully patched end-of-life SonicWall Secure Mobile Access (SMA) 100 series appliances.

GTIG assesses with high confidence that UNC6148 is leveraging credentials and one-time password (OTP) seeds stolen during previous intrusions, allowing them to regain access even after organizations have applied security updates. Evidence for the initial infection vector was limited, as the actor’s malware is designed to selectively remove log entries, hindering forensic investigation; however, it is likely this was through the exploitation of known vulnerabilities.

Read more…
Source: Mandiant/GTG


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • SoumniBot: the new Android banker’s unique techniques

    April 17, 2024

    The creators of widespread malware programs often employ various tools that hinder code detection and analysis, and Android malware is no exception. As an example of this, droppers, such as Badpack and Hqwar, designed for stealthily delivering Trojan bankers or spyware to smartphones, are very popular among malicious actors who attack mobile devices. That said, we ...

  • Attackers exploiting new critical OpenMetadata vulnerabilities on Kubernetes clusters

    April 17, 2024

    Attackers are constantly seeking new vulnerabilities to compromise Kubernetes environments. Microsoft recently uncovered an attack that exploits new critical vulnerabilities in OpenMetadata to gain access to Kubernetes workloads and leverage them for cryptomining activity. OpenMetadata is an open-source platform designed to manage metadata across various data sources. It serves as a central repository for metadata lineage, ...

  • CVE-2024-3400: Critical Command Injection Vulnerability in Palo Alto Networks Firewalls

    April 17, 2024

    On Friday, April 12, Palo Alto Networks published an advisory on CVE-2024-3400, a CVSS 10 zero-day vulnerability in several versions of PAN-OS, the operating system that runs on the company’s firewalls. According to the vendor advisory, if conditions for exploitability are met, the vulnerability may enable an unauthenticated attacker to execute arbitrary code with root privileges ...

  • CVE-2024-20697: Windows Libarchive Remote Code Execution Vulnerability

    April 17, 2024

    An integer overflow vulnerability exists in the Libarchive library included in Microsoft Windows. The vulnerability is due to insufficient bounds checks on the block length of a RARVM filter used for Intel E8 preprocessing, included in the compressed data of a RAR archive. A remote attacker could exploit this vulnerability by enticing a target user into ...

  • Botnets Continue Exploiting CVE-2023-1389 for Wide-Scale Spread

    April 16, 2024

    Last year, a command injection vulnerability, CVE-2023-1389, was disclosed and a fix developed for the web management interface of the TP-Link Archer AX21 (AX1800). FortiGuard Labs has developed an IPS signature to tackle this issue. Recently, their researchers observed multiple attacks focusing on this year-old vulnerability, spotlighting botnets like Moobot, Miori, the Golang-based agent “AGoent,” and ...

  • Trust Wallet Issues Warning to Apple Users About Zero-Day Exploit in iMessage

    April 16, 2024

    Trust Wallet, a popular web3 wallet, has issued a warning to Apple users, urging them to disable iMessage due to “credible intel” regarding a zero-day exploit. The company shared the alert on X, stating that the exploit, which is being sold on the Dark Web, could potentially allow hackers to take control of users’ iPhones without ...