Sophos registers the scans for Log4j vulnerabilities worldwide and the countries from which many exploits come: China and Russia. The findings show two heat maps. Sean Gallagher, Senior Threat Researcher at Sophos
"Sophos continues to monitor scans for Log4j vulnerabilities. In the past, we have seen large spikes in such scans and exploit attempts and then a significant decline. In the case of Log4j, we have not seen a decline, but rather daily scans and access attempts from a globally distributed infrastructure. We expect this high level of activity to continue as the vulnerability is very complex and requires extensive patching.
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As previously indicated, in some cases a request comes from an IP address in one geographic region, with embedded URLs for Log4j that connect to servers elsewhere - sometimes several different servers. And while some of these requests are harmless testing or 'research' by penetration testers and other security researchers, a larger portion are malicious."
“For example, Sophos telemetry shows that 59% of exploit attempts are aimed at connecting Log4j to Internet addresses in India. More than 40% of the exploit attempts try to link Log4j to Internet addresses in the USA. ”The scan attempts in Germany account for around 11% of the cases registered by SophosLabs worldwide, but also include activities by security companies .
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"However, the exploit attempts themselves mostly originate from China and Russia, with most of these attempts apparently being related to cybercrime. A server in Russia connected to the Kinsing cryptocoin-mining botnet is responsible for more than 10% of the exploit attempts observed by Sophos - more than 33% of all traffic from Russia." Germany accounts for 2% of the exploits.
Sophos also provides a detailed article online entitled "Logjam: Log4j exploit attempts continue in globally distributed scans, attacks". It describes the new Log4j scan and exploit activity shown above and provides the "Location of Exploit C2 URLs" and "Exploit Attempt Source IPs" heatmaps.
About Sophos
More than 100 million users in 150 countries trust Sophos. We offer the best protection against complex IT threats and data loss. Our comprehensive security solutions are easy to deploy, use and manage. They offer the lowest total cost of ownership in the industry. Sophos offers award-winning encryption solutions, security solutions for endpoints, networks, mobile devices, email and the web. In addition, there is support from SophosLabs, our worldwide network of our own analysis centers. The Sophos headquarters are in Boston, USA and Oxford, UK.
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