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Zoom app noticias. Zoom brings changes to gesture recognition for PC, emojis come to life
We encountered an example of this in May, after we found samples of malware files that were disguised as fake Zoom installers. While it could be difficult for the average user to distinguish the legitimate Zoom app from the fake ones, closer inspection shows that the malicious versions have significantly larger file sizes. Figure 1. The file size of malicious Zoom copies compared with that of the legitimate installer.
One of the malware samples Trojan. A is a backdoor with remote access features, allowing the attacker to gain access to the infected machine to perform malicious actions, such as stealing information. The other sample Backdoor. Interestingly, both compromised installers installed a legitimate version of Zoom, likely to hide evidence of malicious activity from the user.
Aside from using compromised installers, we also found instances where malicious actors bundled legitimate installers with malware files. This malware variant allows its operator to execute commands remotely, such as adding or deleting files, recording keystrokes, and gathering information.
A , a trojan that also comes bundled with a legitimate Zoom installer. We also found an email sample where a malicious actor tried to extort money from the victim by threatening them with the release of compromised video footage — allegedly acquired via a hacked camera.
We found evidence of attacks that integrate other communication services — specifically Slack and Discord — into their routines. Slack has earned a loyal following over the years, with over 10 million daily active users as of However, we also found evidence of malicious actors making use of some of its features. We recently found a ransomware variant Ransom.
C that, on the surface, seems fairly standard in terms of capabilities. It encrypts files with the following extensions after which it will append the. Currently, it only sends back a minimal amount of data, namely computer and user names, the number of infected files, and the infection timestamp — indicating that the use of Slack for infection status reporting might still be in its testing phase.
Discord is another communication software that shares similar features with Slack while also being notable for its widespread use in gaming communities. We found samples that show how malicious actors are using Discord as part of a campaign involving malicious spam emails that eventually end in an AveMaria or AgentTesla malware infection.
We first observed the use of malicious spam to deliver these malware families in — however, the addition of Discord as part of its attack routine is relatively recent. The malicious emails are typically either postal delivery notifications or invoices with an included DHL or TNT-themed attachment:.
Because this is a persistent feature, user-generated or shared Zoom Whiteboard files are saved to the cloud. The new update also implements one-time passwords for those who haven't enabled two-step verification. If Zoom detects a suspicious login, it will email the login password. This layer of security includes sending a unique key that expires when entered. The latest patch 5.
This means that if messages increase, the app will turn off notifications to prevent attendees from being distracted. A tag engine has also been implemented to react to certain words or phrases in group chats. Administrators can set policies to follow when users send unauthorized messages. Other features include Waiting Room enhancements, maximum capacity during events, emoji reactions in Webinar, a centralized survey catalog, an artificial intelligence-based sales solution called Zoom IQ, and more.
Zoom automatically adds passwords to accounts, and those passwords can be embedded in meeting links. For this reason, when scheduling a meeting, Zoom assumes that you want to use the automatically generated unique meeting ID instead of the personal meeting ID. In fact, there is no reason to use that personal identification. If you have a regularly scheduled meeting with friends, you can send a new invitation with a new meeting ID for each meeting, just to be safe.
In the Zoom app, click the Schedule button. If you are using the web interface, click Schedule a Meeting on the top line. In either case, the Schedule Meeting window appears. This will generate a unique ID for that meeting instead of using the personal meeting ID. Under the Security heading, a code will be assigned; it can be changed.
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