"UAC-0099 Using WinRAR Exploit to Target Ukrainian Firms with LONEPAGE Malware"
"UAC-0099 Using WinRAR Exploit to Target Ukrainian Firms with LONEPAGE Malware"
A threat actor called UAC-0099 has been linked to attacks against Ukraine, some of which exploit a high-severity flaw contained by WinRAR software to deliver the LONEPAGE malware strain. According to researchers at Deep Instinct, the threat actor targets Ukrainian employees in companies based outside of Ukraine. The Computer Emergency Response Team of Ukraine (CERT-UA) first documented UAC-0099 in June 2023, describing its attacks against state organizations and media entities for espionage purposes.