An alleged China-linked cyberespionage group, tracked as UNC4191, used USB devices in attacks aimed at Philippines entities. Mandiant researchers spotted an alleged China-linked cyberespionage group, tracked as UNC4191, leveraging USB devices as attack vectors in campaigns aimed at Philippines entities. This campaign has been active dates as far back as September 2021 and targeted public […]
Iran-linked threat actors compromised a Federal Civilian Executive Branch organization using a Log4Shell exploit and installed a cryptomining malware. According to a joint advisory published by the FBI and CISA, an Iran-linked APT group compromised a Federal Civilian Executive Branch (FCEB) organization using an exploit for the Log4Shell flaw (CVE-2021-44228) and deployed a cryptomining malware. Log4Shell impacts […]
North Korea-linked Lazarus APT is using a new version of the DTrack backdoor in attacks aimed at organizations in Europe and Latin America. North Korea-linked APT Lazarus is using a new version of the DTrack backdoor to attack organizations in Europe and Latin America, Kaspersky researchers warn. DTrack is a modular backdoor used by the […]
A suspected China-linked APT group breached a digital certificate authority in Asia as part of a campaign aimed at government agencies since March 2022. State-sponsored actors compromised a digital certificate authority in a country in Asia as part of a cyber espionage campaign aimed at multiple government agencies in the region, Symantec warns. Symantec attributes […]
Trend Micro reported that the Earth Longzhi group, a previously undocumented subgroup of APT41, targets Ukraine and Asian Countries. Early this year, Trend Micro investigated a security breach suffered by a company in Taiwan. Threat actors employed a custom Cobalt Strike loader in the attack. Further analysis, revealed that the same threat actor targeted multiple regions […]
Cyber espionage group Worok abuses Dropbox API to exfiltrate data via using a backdoor hidden in apparently innocuous image files. Researchers from cybersecurity firm Avast observed the recently discovered espionage group Worok abusing Dropbox API to exfiltrate data via using a backdoor hidden in apparently innocuous image files. The experts started their investigation from the analysis published […]
Microsoft linked Prestige ransomware attacks against organizations in Ukraine and Poland to Russia-linked threat actors. In Mid-October, Microsoft Threat Intelligence Center (MSTIC) researchers uncovered previously undetected ransomware, tracked as Prestige ransomware, employed in attacks targeting organizations in the transportation and related logistics industries in Ukraine and Poland. The Prestige ransomware first appeared in the threat […]
Russia-linked APT29 cyberespionage group exploited a Windows feature called Credential Roaming to target a European diplomatic entity. Mandiant researchers in early 2022 responded to an incident where the Russia-linked APT29 group (aka SVR group, Cozy Bear, Nobelium, and The Dukes) successfully phished a European diplomatic entity. The attack stands out for the use of the Windows Credential […]
Cybersecurity researchers warn of a new PowerShell backdoor that disguises itself as part of the Windows update process to avoid detection. Cybersecurity researchers from SafeBreach a warning of a new PowerShell backdoor masqueraded as a Windows update process to avoid detection. The backdoor spreads via weaponized Word documents (“Apply Form.docm.”) posing as a LinkedIn-based job […]
China-linked threat actors APT41 (a.k.a. Winnti) targeted organizations in Hong Kong, in some cases remaining undetected for a year. Symantec researchers reported that cyberespionage group APT41 targeted organizations in Hong Kong in a campaign that is a likely continuation of the Operation CuckooBees activity detailed by Cybereason in May. Winnti (aka APT41, Axiom, Barium, Blackfly) is a cyberespionage […]