The logs further showed that the temporary profile had been used by multiple sets of user credentials, leading us to believe that they were subject to credential theft. However, it turned out that the user whose credentials had been compromised did not have the permissions of a domain administrator, indicating that the attacker achieved privilege escalation. In a statement today, Jaya Baloo says that the company received an alert for "a malicious replication of directory services from an internal IP that belonged to our VPN address range " this had been dismissed as a false positive, though. and took advantage of a temporary VPN profile that should no longer have been active and was not protected with two-factor authentication (2FA). The intruder connected from a public IP address in the U.K. Logs of the suspicious activity show entries on May 14 and 15, on July 24, on September 11, and on October 4. Tiptoeing to higher privilegesįrom the information collected this far, the attack appears to be "an extremely sophisticated attempt," says Jaya Baloo, Avast Chief Information Security Officer (CISO).Īvast refers to this attempt by the name 'Abiss' and says that the threat actor behind it exercised extreme caution to avoid being detected and hide the traces of their intention. Detected on September 25, intrusion attempts started since May 14.įollowing an investigation, the antivirus maker determined that the attacker was able to gain access using compromised credentials via a temporary VPN account.
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Certification by AV-Comparatives provides an official seal of approval for software performance which is globally recognized.Hackers accessed the internal network of Czech cybersecurity company Avast, likely aiming for a supply chain attack targeting CCleaner. AV-Comparatives offers freely accessible results to individuals, news organizations and scientific institutions. Using one of the largest sample collections worldwide, it creates a real-world environment for truly accurate testing. This means that protection against such attacks should be provided by consumer security programs, as well as corporate endpoint protection software.", says Peter Stelzhammer, co-founder of AV-Comparatives.Īll of the tested products, consumer and enterprise, had to defend against 15 different complex targeted attacks.ĪV-Comparatives is an independent organization offering systematic testing that checks whether security software, such as PC/Mac-based antivirus products and mobile security solutions, lives up to its promises. Additionally, cybercriminals may launch targeted attacks against individuals for other reasons.
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Whilst the majority of such attacks may be ultimately aimed at infiltrating enterprise networks, an obvious means of doing this is to target the personal computers of staff members within the organisation. These are complex, multi-stage attacks that are aimed at a specific individual or organisation. "The Advanced Threat Protection Test checks each security product's ability to protect a computer against targeted attacks, which are known as "advanced persistent threats" (APTs). Of these, Avast, AVG, ESET, Kaspersky and McAfee consumer products reached the highest ADVANCED+ rating.
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Tested consumer security programs includes: Avast Free Antivirus AVG Free Antivirus Bitdefender Internet Security ESET Internet Security G Data Total Security Kaspersky Internet Security McAfee Total Protection VIPRE Advanced Security. A false alarm test is also included in the reports.
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All our tests use a subset of the TTP (Tactics, Techniques, Procedures) listed in the MITRE ATT&CK(TM) framework. These attacks can be broken down into Lockheed Martin's Cybersecurity Kill Chain, and seven distinct phases – each with unique IOCs (Indicators of Compromise) for the victims.
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In the Advanced Threat Protection Tests, AV-Comparatives use hacking and penetration techniques that allow attackers to access internal computer systems. The misuse of legitimate system programs for malicious purposes also makes it easier for cybercriminals to stay under the radar of security measures.
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Disguising malicious code also makes it hard for a security program to recognise. These include fileless attacks, code obfuscation, and the use of legitimate operating-system tools. Targeted attacks employ various different techniques to avoid detection by security software. AV-Comparatives state that malware authors continue to write new malicious programsĪV-Comparatives' Advanced Threat Protection Test uses a variety of different attack scenarios, which the tested programs have to defend against.