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Experts warn of attacks using a new Linux variant of SFile ransomware

Security Affairs

SFile ransomware (aka Escal), has been active since 2020 , it was observed targeting only Windows systems. Some variants of the ransomware append the English name of the target company to the filenames of the encrypted files. “The SFile ransomware uses the Mbed TLS library, RSA-2048 and AES-256 algorithms for file encryption. .

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New EvilQuest ransomware targets macOS users

Security Affairs

Security experts have uncovered a new piece of ransomware dubbed EvilQuest designed to encrypt macOS systems, it is also able to install additional payloads and potentially take over the infected machine. I wonder who that is pic.twitter.com/5WLUS5GfBL — Felix (@c1truz_) June 30, 2020. ” reads the analysis wrote by Wardle.

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Stayin’ Alive campaign targets high-profile Asian government and telecom entities. Is it linked to ToddyCat APT?

Security Affairs

The APT group was discovered in June 2022 by Kaspersky which linked it to a series of attacks aimed at high-profile entities in Europe and Asia since at least December 2020. ” reads the analysis published by Checkpoint. All the tools connect to the same infrastructure, which is associated with China-linked APT ToddyCat.

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Telegram flaw could have allowed access to users secret chats

Security Affairs

The “ rlottie ” folder caught their attention, it was the folder used for the Samsung native library for playing Lottie animations, originally created by Airbnb. The research started in January 2020 and lasted until the end of August, with many pauses in between to focus on other projects.”

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New enhanced Joker Malware samples appear in the threat landscape

Security Affairs

. “Recently, the Zimperium zLabs mobile threat research team has noticed a large uptick in Joker variants on Android marketplaces, with over 1000 new samples since our last coverage in September of 2020. If there is no answer, the malware remains silent since it can be running on a dynamic analysis emulator. dex file as before.

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EventBot, a new Android mobile targets financial institutions across Europe

Security Affairs

. “The Cybereason Nocturnus team is investigating EventBot, a new type of Android mobile malware that emerged around March 2020. ” reads the analysis published by Cybereason. The malware also downloads the Command-and-control (C2) URLs, C2 communication is encrypted using Base64, RC4, and Curve25519. .

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Top 5 Application Security Tools & Software for 2023

eSecurity Planet

Encryption: This protects sensitive data by converting it into a coded form that can only be accessed or decrypted with the appropriate key. Encryption ensures that data remains confidential and secure, even if intercepted or accessed by unauthorized parties. This area is called static application security testing, or SAST.

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