Informations about SSL certificates and networks security
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Citizen Lab is reporting on two zero-click iMessage exploits, in spyware sold by the cyberweapons arms manufacturer NSO Group to the Bahraini government. These are particularly scary exploits, since they don’t require to victim to do anything, like click on a link or open a file. The victim receives a text message, and then they … Read More “Zero-Click iPhone Exploits” »
Interesting research: “EvilModel: Hiding Malware Inside of Neural Network Models”. Abstract: Delivering malware covertly and detection-evadingly is critical to advanced malware campaigns. In this paper, we present a method that delivers malware covertly and detection-evadingly through neural network models. Neural network models are poorly explainable and have a good generalization ability. By embedding malware into … Read More “Hiding Malware in ML Models” »
ArsTechnica has a good story on the REvil ransomware attack of last weekend, with technical details: This weekend’s attack was carried out with almost surgical precision. According to Cybereason, the REvil affiliates first gained access to targeted environments and then used the zero-day in the Kaseya Agent Monitor to gain administrative control over the target’s … Read More “Details of the REvil Ransomware Attack” »
Two reports this week. The first is from Microsoft, which wrote: As part of our investigation into this ongoing activity, we also detected information-stealing malware on a machine belonging to one of our customer support agents with access to basic account information for a small number of our customers. The actor used this information in … Read More “More Russian Hacking” »
Wired is reporting on a company called Mollitiam Industries: Marketing materials left exposed online by a third-party claim Mollitiam’s interception products, dubbed “Invisible Man” and “Night Crawler,” are capable of remotely accessing a target’s files, location, and covertly turning on a device’s camera and microphone. Its spyware is also said to be equipped with a … Read More “Mollitiam Industries is the Newest Cyberweapons Arms Manufacturer” »
Apostle seems to be a new strain of malware that destroys data. In a post published Tuesday, SentinelOne researchers said they assessed with high confidence that based on the code and the servers Apostle reported to, the malware was being used by a newly discovered group with ties to the Iranian government. While a ransomware … Read More “New Disk Wiping Malware Targets Israel” »
This seems to be a new tactic: Emsisoft has identified two distinct tactics. In the first, hackers encrypt data with ransomware A and then re-encrypt that data with ransomware B. The other path involves what Emsisoft calls a “side-by-side encryption” attack, in which attacks encrypt some of an organization’s systems with ransomware A and others … Read More “Double-Encrypting Ransomware” »
Bizarro is a new banking trojan that is stealing financial information and crypto wallets. …the program can be delivered in a couple of ways — either via malicious links contained within spam emails, or through a trojanized app. Using these sneaky methods, trojan operators will implant the malware onto a target device, where it will … Read More “Bizarro Banking Trojan” »
A lot of Russian malware — the malware that targeted the Colonial Pipeline, for example — won’t install on computers with a Cyrillic keyboard installed. Brian Krebs wonders if this could be a useful defense: In Russia, for example, authorities there generally will not initiate a cybercrime investigation against one of their own unless a … Read More “Adding a Russian Keyboard to Protect against Ransomware” »
Apple just patched a MacOS vulnerability that bypassed malware checks. The flaw is akin to a front entrance that’s barred and bolted effectively, but with a cat door at the bottom that you can easily toss a bomb through. Apple mistakenly assumed that applications will always have certain specific attributes. Owens discovered that if he … Read More “Serious MacOS Vulnerability Patched” »