Microsoft Threat Intelligence has observed a TerminalFix campaign, a variant of ClickFix, targeting organizations across multiple industries. The campaign uses compromised websites to display a fake Cloudflare CAPTCHA verification overlay that tricks users into copying and executing a malicious PowerShell command. While traditional ClickFix campaigns direct victims to the Windows Run dialog, TerminalFix campaigns apply the same technique but direct users to Windows Terminal or PowerShell instead, increasing the likelihood that complex, multi-line scripts execute successfully. Unlike earlier ClickFix variants that typically deliver a single infostealer, this TerminalFix campaign deploys a sophisticated multi-stage attack chain that combines DLL sideloading, steganographic payload extraction, extensive Active Directory reconnaissance, and a custom reverse-tunnel implant – giving the attacker persistent, network-level proxy access through the compromised host.
Read more…
Source: Microsoft News
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Spam and phishing in Q1 2019
May 15, 2019
As per tradition, phishing timed to coincide with lovey-dovey day was aimed at swindling valuable confidential information out of starry-eyed users, such as bank card details. The topics exploited by cybercriminals ranged from online flower shops to dating sites. But most often, users were invited to order gifts for loved ones and buy medications such as ...
- Intel CPUs Impacted By New Class of Spectre-Like Attacks
May 14, 2019
A new class of side channel vulnerabilities impacting all modern Intel chips have been disclosed, which can use speculative execution to potentially leak sensitive data from a system’s CPU. Intel said that the newest class of vulnerabilities, dubbed Microarchitectural Data Sampling (MDS), consist of four different attacks, which all ultimately depend on different ways of executing ...
- Thrangrycat flaw lets attackers plant persistent backdoors on Cisco gear
May 13, 2019
A vulnerability disclosed today allows hackers to plant persistent backdoors on Cisco gear, even over the Internet, with no physical access to vulnerable devices. Named Thrangrycat, the vulnerability impacts the Trust Anchor module (TAm), a proprietary hardware security chip part of Cisco gear since 2013. This module is the Intel SGX equivalent for Cisco devices. The TAm ...
- Two years after WannaCry, a million computers remain at risk
May 12, 2019
Two years ago today, a powerful ransomware began spreading across the world. WannaCry spread like wildfire, encrypting hundreds of thousands of computers in more than 150 countries in a matter of hours. It was the first time that ransomware, a malware that encrypts a user’s files and demands cryptocurrency in ransom to unlock them, had spread across ...
- ScarCruft APT Adds Bluetooth Harvester to its Malware Bag of Tricks
May 11, 2019
The ScarCruft Korean-speaking APT is changing up its espionage tactics to include an unusual piece of malware devoted to harvesting Bluetooth information – while also showing some overlap with the DarkHotel APT. An analysis of ScarCruft’s binary infection procedure by Kaspersky Lab shows that in a campaign that continued over the course of 2018, the group used ...
- North Korea debuts new Electricfish malware in Hidden Cobra campaigns
May 10, 2019
The Department of Homeland Security (DHS) and the Federal Bureau of Investigation (FBI) have released a joint security advisory warning of a new strain of malware being used in North Korean cyberattacks. Dubbed Electricfish, the malware was uncovered while the departments were tracking the activities of Hidden Cobra, a threat group believed to be state-sponsored and ...