China-linked cyberespionage group TA413 exploits employ a never-before-undetected backdoor called LOWZERO in attacks aimed at Tibetan entities. A China-linked cyberespionage group, tracked as TA413 (aka LuckyCat), is exploiting recently disclosed flaws in Sophos Firewall (CVE-2022-1040) and Microsoft Office (CVE-2022-30190) to deploy a never-before-detected backdoor called LOWZERO in attacks aimed at Tibetan entities. The TA413 APT group is known to be focused […]
A previously undetected hacking group, tracked as Metador, has been targeting telecommunications, internet services providers (ISPs), and universities for about two years. SentinelLabs researchers uncovered a never-before-seen threat actor, tracked as Metador, that primarily targets telecommunications, internet service providers, and universities in several countries in the Middle East and Africa. The experts pointed out that […]
Ransomware operators switch to new extortion tactics by using the Exmatter malware and adding new data corruption functionality. The data extortion landscape is constantly evolving and threat actors are devising new extortion techniques, this is the case of threat actors using the Exmatter malware. Cyderes Special Operations and Stairwell Threat Research researchers spotted a sample […]
Threat actors are targeting unpatched Atlassian Confluence servers as part of an ongoing crypto mining campaign. Trend Micro researchers warn of an ongoing crypto mining campaign targeting Atlassian Confluence servers affected by the CVE-2022-26134 vulnerability. The now-patched critical security flaw was disclosed by Atlassian in early June, at the time the company warned of a […]
A disgruntled developer seems to be responsible for the leak of the builder for the latest encryptor of the LockBit ransomware gang. The leak of the builder for the latest encryptor of the LockBit ransomware gang made the headlines, it seems that the person who published it is a disgruntled developer. The latest version of […]
Russia-linked APT group Sandworm has been observed impersonating telecommunication providers to target Ukrainian entities with malware. Russia-linked cyberespionage group Sandworm has been observed impersonating telecommunication providers to target Ukrainian entities with malware. Multiple security firms have reported that the Sandworm APT continues to target Ukraine with multiple means, including custom malware and botnet like Cyclops […]
VMware and Microsoft are warning of a widespread Chromeloader malware campaign that distributes several malware families. ChromeLoader is a malicious Chrome browser extension, it is classified as a pervasive browser hijacker that modifies browser settings to redirect user traffic. The malware is able to redirect the user’s traffic and hijacking user search queries to popular […]
AquaSec researchers observed the cybercrime gang TeamTNT hijacking servers to run Bitcoin solver since early September. In the first week of September, AquaSec researchers identified at least three different attacks targeting their honeypots, the experts associated them with the cybercrime gang TeamTNT. The TeamTNT botnet is a crypto-mining malware operation that has been active since April 2020 […]
Bitdefender has released a free decryptor to allow the victims of the LockerGoga ransomware to recover their files without paying a ransom. The cybersecurity firm Bitdefender has released a free decryptor to allow LockerGoga ransomware victims to recover their encrypted files without paying a ransom. “We’re pleased to announce the availability of a new decryptor […]
North Korea-linked threat actor UNC4034 is spreading tainted versions of the PuTTY SSH and Telnet client. In July 2022, Mandiant identified a novel spear phish methodology that was employed by North Korea-linked threat actor UNC4034. The attackers are spreading tainted versions of the PuTTY SSH and Telnet client. The attack chain starts with a fake […]