apt

Leaked documents from Russian firm NTC Vulkan show Sandworm cyberwarfare arsenal

Files leaked by Russian IT contractor NTC Vulkan show that Russia-linked Sandworm APT requested it to develop offensive tools. Documents leaked from Russian IT contractor NTC Vulkan show it was likely involved in the development of offensive tools. The documents demonstrate that it also developed hacking tools for the Russia-linked APT group Sandworm. The Sandworm group […]

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April 2, 2023
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Russian APT group Winter Vivern targets email portals of NATO and diplomats

Russian hacking group Winter Vivern has been actively exploiting Zimbra flaws to steal the emails of NATO and diplomats. A Russian hacking group, tracked Winter Vivern (aka TA473), has been actively exploiting vulnerabilities (CVE-2022-27926) in unpatched Zimbra instances to gain access to the emails of NATO officials, governments, military personnel, and diplomats. The CVE-2022-27926 flaw […]

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March 31, 2023
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New Mélofée Linux malware linked to Chinese APT groups

Exatrack researchers warn of an unknown China-linked hacking group that has been linked to a new Linux malware, dubbed Mélofée. Cybersecurity researchers from ExaTrack recently discovered a previously undetected malware family, dubbed Mélofée, targeting Linux servers. The researchers linked with high-confidence this malware to China-linked APT groups, in particular the Winnti group. The Mélofée malware includes a […]

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March 30, 2023
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Bitter APT group targets China’s nuclear energy sector 

Intezer researchers reported that a South Asian espionage group, tracked as Bitter, is targeting the Chinese nuclear energy industry. Intezer researchers uncovered a cyberespionage campaign targeting the Chinese nuclear energy sector, they linked it to the Bitter APT group. The Bitter APT group is a South Asian cyberespionage group active since at least 2021. The group […]

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March 29, 2023
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Technical analysis of China-linked Earth Preta APT’s infection chain

China-linked Earth Preta cyberespionage group has been observed adopting new techniques to bypass security solutions. Trend Micro researchers reported that the China-linked Earth Preta group (aka Mustang Panda) is actively changing its tools, tactics, and procedures (TTPs) to bypass security solutions. Earth Preta, also known as “RedDelta” or “Bronze President,” has been active since at least […]

The post Technical analysis of China-linked Earth Preta APT’s infection chain appeared first on Security Affairs.

March 27, 2023
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Microsoft shares guidance for investigating attacks exploiting CVE-2023-23397

Microsoft is warning of cyber attacks exploiting a recently patched Outlook vulnerability tracked as CVE-2023-23397 (CVSS score: 9.8). Microsoft published guidance for investigating attacks exploiting recently patched Outlook vulnerability tracked as CVE-2023-23397. The flaw is a Microsoft Outlook spoofing vulnerability that can lead to an authentication bypass. A remote, unauthenticated attacker can exploit the flaw to […]

The post Microsoft shares guidance for investigating attacks exploiting CVE-2023-23397 appeared first on Security Affairs.

March 26, 2023
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China-linked hackers target telecommunication providers in the Middle East

Researchers reported that China-linked hackers targeted telecommunication providers in the Middle East in the first quarter of 2023. In the first quarter of 2023, SentinelLabs researchers spotted the initial phases of attacks against telecommunication providers in the Middle East. According to the researchers, the activity is part of the Operation Soft Cell that was first […]

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March 25, 2023
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Reversing Emotet Dropping Javascript

Recently (On March 18 2023 at 23:44), a new malspam campaign has been observed in the wild ( HERE ), which caused a significant amount of concern. This campaign is designed to distribute malicious emails, which contain a harmful payload that can infect a user’s system, steal sensitive information, or launch other types of attacks. […]

March 22, 2023
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New Bad Magic APT used CommonMagic framework in the area of Russo-Ukrainian conflict

Threat actors are targeting organizations located in Donetsk, Lugansk, and Crimea with a previously undetected framework dubbed CommonMagic. In October 2022, Kaspersky researchers uncovered a malware campaign aimed at infecting government, agriculture and transportation organizations located in the Donetsk, Lugansk, and Crimea regions with a previously undetected framework dubbed CommonMagic. Researchers believe that threat actors use spear […]

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March 22, 2023
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