Common TTPs of attacks against industrial organizations

In 2022 we investigated a series of attacks against industrial organizations in Eastern Europe. In the campaigns, the attackers aimed to establish a permanent channel for data exfiltration, including data stored on air-gapped systems. Continue reading Common TTPs of attacks against industrial organizations

CVE-2022-41040 and CVE-2022-41082 – zero-days in MS Exchange

At the end of September, GTSC reported the finding of two 0-day vulnerabilities in Microsoft Exchange Server, CVE-2022-41040 and CVE-2022-41082. The cybersecurity community dubbed the pair of vulnerabilities ProxyNotShell. Continue reading CVE-2022-41040 and CVE-2022-41082 – zero-days in MS Exchange

Oh, what a boot-iful mornin’

In mid-April, our threat monitoring systems detected malicious files being distributed under the name “on the new initiative of the World Bank in connection with the coronavirus pandemic” (in Russian) with the extension EXE or RAR. Inside the files was the well-known Rovnix bootkit. Continue reading Oh, what a boot-iful mornin’

Banking Trojan Metamorfo Hijacks Trusted Apps to Run Malware

Bitdefender researchers Janos Gergo SZELES and Ruben Andrei CONDOR have documented a new Metamorfo campaign that uses legitimate software components to compromise computers. Metamorfo is a family of banker Trojans that has been active since mid-2018. I… Continue reading Banking Trojan Metamorfo Hijacks Trusted Apps to Run Malware

Scranos Revisited – Rethinking persistence to keep established network alive

In April, Bitdefender broke the news of an emerging botnet dubbed Scranos. Originating from China, it has spread across Europe and the United States, snaring Windows and Android devices with advertising fraud and social network manipulation. Our origin… Continue reading Scranos Revisited – Rethinking persistence to keep established network alive