Fake IT bods on Microsoft Teams coax workers into installing malware


Cybercriminals are using fake IT support calls on Microsoft Teams to persuade employees to surrender control of their PCs before installing the EtherRAT remote access trojan, according to researchers at Palo Alto Networks’ Unit 42.

Victims receive a phishing email disguised as an employee survey before a follow-up Microsoft Teams call from someone claiming to be IT support. During the call, the attacker persuades the target to hand over remote control and install legitimate remote administration tools such as HopToDesk or AnyDesk. An MSI package is then downloaded, which installs the EtherRAT malware.

Read more…
Source:  The Register


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


Related:

  • Remote Code Execution 0-Day (CVE-2021-40444) Hits Windows, Triggered Via Office Docs

    September 9, 2021

    Microsoft has disclosed the existence of a new zero-day vulnerability that affects multiple versions of Windows. This vulnerability (designated as CVE-2021-40444) is currently delivered via malicious Office 365 documents and requires user input to open the file to trigger. It should be noted that by default, Office documents downloaded from the internet are opened either ...

  • Hackers leak passwords for 500,000 Fortinet VPN accounts

    September 8, 2021

    A threat actor has leaked a list of almost 500,000 Fortinet VPN login names and passwords that were allegedly scraped from exploitable devices last summer. While the threat actor states that the exploited Fortinet vulnerability has since been patched, they claim that many VPN credentials are still valid. This leak is a serious incident as the VPN ...

  • AT&T Alien Labs warns of ‘zero or low detection’ for TeamTNT’s latest malware bundle

    September 8, 2021

    AT&T’s Alien Labs security division has sounded the alarm on a malware campaign from TeamTNT which, it claims, has gone almost entirely undetected by anti-virus systems – and which is turning target devices into cryptocurrency miners. Described by Alien Labs researcher Ofer Caspi as “one of the most active threat groups since 2020,” TeamTNT is known ...

  • Russia’s Yandex suffers biggest cyberattack yet

    September 8, 2021

    Russian Internet corporation Yandex revealed on Tuesday that the company’s servers experienced the biggest known denial-of-service (DDoS) attack in Russia’s online space last weekend. Cloudflare, an American web infrastructure firm and a partner of Yandex confirmed the record large scale of the cyberattack. The spokesperson for Russia’s tech giant mentioned that a part of the nation’s ...

  • Ragnar Locker Gang Warns Victims Not to Call the FBI

    September 7, 2021

    All that the FBI/ransomware negotiators/investigators do is muck things up, so we’re going to publish your stuff if you call for help, the Ragnar Locker ransomware gang announced on its darknet data-leak site. In an announcement posted this week and seen by Bleeping Computer, the ransomware operators threatened to publish all the data of victimized organizations ...

  • Miscreants fling booby-trapped Office files at victims, no patch yet, says Microsoft

    September 7, 2021

    In an advisory issued on Tuesday, Microsoft said some of its users were targeted by poisoned Office documents that exploit an unpatched flaw to hijack their Windows machines. The vulnerability, CVE-2021-40444, is described as a hole in MSHTML, Internet Explorer’s browser engine. Miscreants are seemingly placing a malicious ActiveX control in an Office document and convincing ...