Threat Actors Abuse claude.ai Shared Chat for ClickFix Malvertising Campaign


TrendAI™ Research tracked a sustained malvertising campaign that abused Google Ads to deliver ClickFix social engineering attacks disguised as popular AI developer tools. The campaign impersonated at least six legitimate brand names, including ChatGPT Codex, Perplexity, Cursor IDE, JetBrains, Claude AI, and claude.ai, and simultaneously ran Mac utility scam lures.

By leveraging paid search ads targeting users actively seeking AI development tools, the attackers were able to target technically proficient users who are more likely to interact with command-line instructions without suspicion. This marks a sophisticated evolution of the ClickFix social engineering technique, where victims are tricked into manually executing malicious commands, typically by copying and pasting PowerShell or terminal commands under the guise of “fixing” a problem or completing a software installation.

Read more…
Source:  Trend Micro


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Japanese insurer Tokio Marine discloses ransomware attack

    August 18, 2021

    Tokio Marine Holdings, a multinational insurance holding company in Japan, announced this week that its Singapore branch, Tokio Marine Insurance Singapore (TMiS), suffered a ransomware attack. The announcement came at the beginning of the week and contains little information about the incident outside the action taken to deal with the intrusion. Read more… Source: Bleeping Computer  

  • LockBit 2.0 Ransomware Proliferates Globally

    August 17, 2021

    The LockBit ransomware-as-a-service (RaaS) gang has ramped up its targeted attacks, researchers said, with attempts against organizations in Chile, Italy, Taiwan and the U.K. using version 2.0 of its malware. Attacks in July and August have employed LockBit 2.0, according to a Trend Micro analysis released on Monday, featuring a souped-up encryption method. “In contrast to LockBit’s ...

  • Conti ransomware prioritizes revenue and cyberinsurance data theft

    August 17, 2021

    Training material used by Conti ransomware affiliates was leaked online this month, allowing an inside look at how attackers abuse legitimate software and seek out cyber insurance policies. Earlier this month, a disgruntled affiliate posted to a hacking forum the IP addresses for Cobalt Strike C2 servers used by the gang and a 113 MB archive ...

  • Brazilian National Treasury hit with ransomware attack

    August 17, 2021

    The Brazilian government has released a note stating the National Treasury has been hit with a ransomware attack on Friday (13). According to a statement from the Ministry of Economy, initial measures to contain the impact of the cyberattack were immediately taken. The first assessments so far have found there was no damage to the structuring ...

  • Hive ransomware attacks Memorial Health System, steals patient data

    August 16, 2021

    In what appears to be an attack from the Hive ransomware gang, computers of the non-profit Memorial Health System have been encrypted, forcing staff to work with paper charts. The attack occurred early Sunday morning and the IT department detected it once they noticed that parts of the infrastructure no longer responded as expected. Read more… Source: Bleeping ...

  • T-Mobile says hackers accessed user data but won’t confirm SSN breach of 100 million customers

    August 16, 2021

    T-Mobile is looking into allegations that a hacker stole 106GB of data containing the social security numbers, names, addresses and driver’s license information for more than 100 million people. In a statement to ZDNet, T-Mobile said it is “aware of claims made in an underground forum and have been actively investigating their validity.” Teams at T-Mobile ...