A new APT group has emerged that’s specifically targeting the fuel and energy complex and aviation industry in Russia, exploiting known vulnerabilities like Microsoft Exchange Server’s ProxyShell and leveraging both new and existing malware to compromise networks. Researchers at security firm Positive Technologies have been tracking the group, dubbed ChamelGang for its chameleon-like capabilities, since March. Though attackers mainly have been seen targeting Russian organizations, they have attacked targets in 10 countries so far, researchers said in a report by company researchers Aleksandr Grigorian, Daniil Koloskov, Denis Kuvshinov and Stanislav Rakovsky published online Thursday. To avoid detection, ChamelGang hides its malware and network infrastructure under legitimate services of established companies like Microsoft, TrendMicro, McAfee, IBM and Google in a couple of unique ways, researchers observed. One is to acquire domains that imitate their legitimate counterparts – such as newtrendmicro.com, centralgoogle.com, microsoft-support.net, cdn-chrome.com and mcafee-upgrade.com. The other is to place SSL certificates that also imitate legitimate ones – such as github.com, www.ibm.com, jquery.com, update.microsoft-support.net – on its servers, researchers said. Moreover, ChamelGang – like Nobelium and REvil before it – has hopped on the bandwagon of attacking the supply chain first to gain access to its ultimate target, they said. In one of the cases analyzed by…
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