Search This Blog
Powered by Blogger.

Blog Archive

Labels

About Me

Load More
Trendy Right Now

Popular Posts

Showing posts with label Android. Show all posts
Windows
AI Android Apple Extortion Internet malware Ransomware Windows

Latest Malware "Mamona" Attacks Locally, Hides by Self Deletion

Latest Malware "Mamona" Attacks Locally, Hides by Self Deletion

Cybersecurity experts are tracing Mamona, a new ransomware strain that is famous for its stripped-down build and silent local execution. Experts believe that the ransomware prevents the usual command-and-control (C2) servers, choosing instead a self-contained method that moves past tools relying on network traffic analysis.  

The malware is executed locally on a Windows system as a standalone binary file. The offline approach reveals a blind spot in traditional defenses, raising questions about how even the best antivirus and detection mechanisms will work when there is no network.

Self-deletion and escape techniques make detection difficult

Once executed, it starts a three-second delay via a modified ping command, ”cmd.exe /C ping 127.0.0.7 -n 3 > Nul & Del /f /q.” After this, it self-deletes. The self-deletion helps to eliminate forensic artifacts that make it difficult for experts to track or examine the malware after it has been executed. 

The malware uses 127.0.0.7 instead of the popular 127.0.0.1, which helps in evading detection measures. This tactic escapes simple detection tests and doesn’t leave digital traces that older file-based scanners might tag. The malware also drops a ransom note titled README.HAes.txt and renames impacted files with the .HAes extension. This means the encryption was successful. 

“We integrated Sysmon with Wazuh to enrich logs from the infected endpoint and created Wazuh detection rules to identify malicious behaviour associated with Mamona ransomware,” said Wazuh in a blog post.

Spotting Mamona

Wazuh has alerted that the “plug-and-play” nature of the malware makes it easy for cybercriminals and helps in the commodization of ransomware. This change highlights an urgent need for robust inspections of what stands as the best ransomware protection when such attacks do not need remote control infrastructure. Wazu’s method to track Mamona involves combining Sysom for log capture and employing custom rules to flag particular behaviours like ransom note creation and ping-based delays.

According to TechRadar, “Rule 100901 targets the creation of the README.HAes.txt file, while Rule 100902 confirms the presence of ransomware when both ransom note activity and the delay/self-delete sequence appear together.”

Read more »
Windows
AI Android Bug Data Exploit Internet Technology Vulnerability Windows

CISA Lists Citrix Bleed 2 as Exploit, Gives One Day Deadline to Patch

CISA Lists Citrix Bleed 2 as Exploit, Gives One Day Deadline to Patch

CISA confirms bug exploit

The US Cybersecurity & Infrastructure Security Agency (CISA) confirms active exploitation of the CitrixBleed 2 vulnerability (CVE-2025-5777 in Citrix NetScaler ADC and Gateway. It has given federal parties one day to patch the bugs. This unrealistic deadline for deploying the patches is the first since CISA issued the Known Exploited Vulnerabilities (KEV) catalog, highlighting the severity of attacks abusing the security gaps. 

About the critical vulnerability

CVE-2025-5777 is a critical memory safety bug (out-of-bounds memory read) that gives hackers unauthorized access to restricted memory parts. The flaw affects NetScaler devices that are configured as an AAA virtual server or a Gateway. Citrix patched the vulnerabilities via the June 17 updates. 

After that, expert Kevin Beaumont alerted about the flaw’s capability for exploitation if left unaddressed, terming the bug as ‘CitrixBleed 2’ because it shared similarities with the infamous CitrixBleed bug (CVE-2023-4966), which was widely abused in the wild by threat actors.

What is the CitrixBleed 2 exploit?

According to Bleeping Computer, “The first warning of CitrixBleed 2 being exploited came from ReliaQuest on June 27. On July 7, security researchers at watchTowr and Horizon3 published proof-of-concept exploits (PoCs) for CVE-2025-5777, demonstrating how the flaw can be leveraged in attacks that steal user session tokens.”

The rise of exploits

During that time, experts could not spot the signs of active exploitation. Soon, the threat actors started to exploit the bug on a larger scale, and after the attack, they became active on hacker forums, “discussing, working, testing, and publicly sharing feedback on PoCs for the Citrix Bleed 2 vulnerability,” according to Bleeping Computers. 

Hackers showed interest in how to use the available exploits in attacks effectively. The hackers have become more active, and various exploits for the bug have been published.

Now that CISA has confirmed the widespread exploitation of CitrixBleed 2 in attacks, threat actors may have developed their exploits based on the recently released technical information. CISA has suggested to “apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.”

Read more »
stingrays
Android App privacy Google Mobile Security stingrays

New Android Feature Detects Fake Mobile Networks

 



In a critical move for mobile security, Google is preparing to roll out a new feature in Android 16 that will help protect users from fake mobile towers, also known as cell site simulators, that can be used to spy on people without their knowledge.

These deceptive towers, often referred to as stingrays or IMSI catchers, are devices that imitate real cell towers. When a smartphone connects to them, attackers can track the user’s location or intercept sensitive data like phone calls, text messages, or even the phone's unique ID numbers (such as IMEI). What makes them dangerous is that users typically have no idea their phones are connected to a fraudulent network.

Stingrays usually exploit older 2G networks, which lack strong encryption and tower authentication. Even if a person uses a modern 4G or 5G connection, their device can still switch to 2G if the signal is stronger opening the door for such attacks.

Until now, Android users had very limited options to guard against these silent threats. The most effective method was to manually turn off 2G network support—something many people aren’t aware of or don’t know how to do.

That’s changing with Android 16. According to public documentation on the Android Open Source Project, the operating system will introduce a “network security warning” feature. When activated, it will notify users if their phone connects to a mobile network that behaves suspiciously, such as trying to extract device identifiers or downgrade the connection to an unsecured one.

This feature will be accessible through the “Mobile Network Security” settings, where users can also manage 2G-related protections. However, there's a catch: most current Android phones, including Google's own Pixel models, don’t yet have the hardware required to support this function. As a result, the feature is not yet visible in settings, and it’s expected to debut on newer devices launching later this year.

Industry observers believe that this detection system might first appear on the upcoming Pixel 10, potentially making it one of the most security-focused smartphones to date.

While stingray technology is sometimes used by law enforcement agencies for surveillance under strict regulations, its misuse remains a serious privacy concern especially if such tools fall into the wrong hands.

With Android 16, Google is taking a step toward giving users more control and awareness over the security of their mobile connections. As surveillance tactics become more advanced, these kinds of features are increasingly necessary to protect personal privacy.

Read more »
Mobile Virus
Android Antivirus Apps Antivirus Detection data security Data Theft Identity Theft iPhone Mobile Malwares Mobile Security Mobile Virus

Signs Your Phone Has a Virus and How to Remove It Safely

 

In today’s world, our phones are more than just communication devices — they’re essential for work, banking, shopping, and staying connected. That makes it all the more alarming when a device begins to behave strangely. 

One possible cause? A virus. Mobile malware can sneak into your phone through suspicious links, shady apps, or compromised websites, and can create problems ranging from poor performance to data theft and financial loss. There are several red flags that suggest your phone might be infected. A rapidly draining battery could mean malicious software is operating in the background. Overheating, sluggish performance, frequent app crashes, or screen freezes may also be signs of trouble. You might notice strange new apps that you don’t remember installing or unexpected spikes in mobile data usage. 
In some cases, your contacts could receive strange messages from you, or you might find purchases on your accounts that you never made. If your phone shows any of these symptoms, quick action is essential. 

The first step is to scan your device using a trusted antivirus app to locate and remove threats. Check your device for unfamiliar apps and uninstall anything suspicious. You should also notify your contacts that your device may have been compromised to prevent the spread of malware through messaging apps. Updating your passwords should be your next priority. Make sure each password is strong, unique, and ideally protected with two-factor authentication. After that, review your online accounts and connected devices for signs of unauthorized activity. Remove unknown devices from your phone account settings and confirm your personal and security information hasn’t been altered. 

Depending on your phone’s operating system, the process of virus removal can vary slightly. iPhone users can try updating to the latest iOS version and removing suspicious apps. If the problem persists, a factory reset might be necessary, though it will erase all stored data unless a backup is available. While iPhones don’t include a built-in virus scanner, some reliable third-party tools can help detect infections. For Android users, antivirus apps often offer both detection and removal features. Rebooting the device in safe mode can temporarily disable harmful third-party apps and make removal easier. Clearing the browser cache and cookies is another useful step to eliminate web-based threats. 

If all else fails, a factory reset can clear everything, but users should back up their data beforehand. Preventing future infections comes down to a few key practices. Always download apps from official stores, keep your operating system and apps updated, and limit app permissions. Avoid clicking on links from unknown sources, and monitor your phone’s performance regularly for anything out of the ordinary. 

Whether you use Android or iPhone, dealing with a virus can be stressful — but with the right steps, it’s usually possible to remove the threat and get your phone back to normal. By staying alert and adopting good digital hygiene, you can also reduce your chances of being targeted again in the future.
Read more »
malware
Android Crocodilus fake contacts malware

Crocodilus Android Malware Can Now Trick Victims Using Fake Contacts

 


A dangerous Android malware called Crocodilus has developed a new way to fool smartphone users. It can now secretly add fake names to the contact list on an infected phone. This makes it easier for hackers to pretend they are calling from trusted people or organizations.


How Crocodilus Fools Users

When a phone is infected with Crocodilus, the malware can automatically add new contacts without the owner’s permission. These contacts can be given names that sound familiar or trustworthy, such as banks, service centers, or even personal contacts. If the hacker later calls the victim, the phone will display the fake name instead of the real caller ID, making it easier to trick the user into answering and trusting the call.

This process happens when the malware receives a secret command. It uses Android’s contact system to quickly add these fake names to the local contact list. Since these contacts are saved only on the phone, they won’t appear on other devices linked to the same Google account.


The Malware Has Spread Worldwide

Crocodilus was first discovered in March 2025 by security researchers. In the early days, it mostly affected a small number of users in Turkey. At that time, it already had tools to steal information and control infected phones from a distance. It also tried to trick people by showing fake messages, like warning users to back up their cryptocurrency wallets within 12 hours or lose access.

Recent updates show that the malware is now being used in attacks across many countries. It has also improved the way it hides itself from security checks. The updated version uses more advanced coding methods and stronger encryption to avoid being detected by cybersecurity tools. These changes make it harder for security teams to study and block the malware.

Another serious upgrade is that Crocodilus can now sort and check stolen information directly on the victim’s phone before sending it to the hackers. This helps attackers collect the most useful data quickly and easily.


How to Stay Safe

Crocodilus is growing fast and is becoming more dangerous, mainly because it relies on tricking people instead of only using technical methods. This makes it especially risky for everyday users.

To protect themselves, Android users should download apps only from trusted sources like Google Play and from well-known app makers. It is important to keep security features like Google Play Protect active and avoid installing too many apps, especially those from unknown developers. Having fewer apps reduces the chances of downloading harmful software by mistake.

Users should also be careful with unexpected phone calls, even if the caller name seems familiar. The name might be fake and added by malware to trick the user.

Read more »
update
AFU Android auto-restart BFU Data Encryption Google Pin Privacy reboot Security Smartphone update

Google’s New Android Security Update Might Auto-Reboot Your Phone After 3 Days

 

In a recent update to Google Play Services, the tech giant revealed a new security feature that could soon reboot your Android smartphone automatically — and this move could actually boost your device’s safety.

According to the update, Android phones left unused for three consecutive days will automatically restart. While this might sound intrusive at first, the reboot comes with key security benefits.

There are two primary reasons why this feature is important:

First, after a reboot, the only way to unlock a phone is by entering the PIN — biometric options like fingerprint or facial recognition won’t work until the PIN is input manually. This ensures added protection, especially for users who haven’t set up any screen lock. A forced PIN entry makes it much harder for unauthorized individuals to access your device or the data on it.

Second, the update enhances encryption security. Android devices operate in two states: Before First Unlock (BFU) and After First Unlock (AFU). In the BFU state, your phone’s contents are completely encrypted, meaning that even advanced tools can’t extract the data.

This security measure also affects how law enforcement and investigative agencies handle seized phones. Since the BFU state kicks in automatically after a reboot, authorities have a limited window to access a device before it locks down data access completely.

“A BFU phone remains connected to Wi-Fi or mobile data, meaning that if you lose your phone and it reboots, you'll still be able to use location-finding services.”

The feature is listed in Google’s April 2025 System release notes, and while it appears to extend to Android tablets, it won’t apply to wearables like the Pixel Watch, Android Auto, or Android TVs.

As of now, Google hasn’t clarified whether users will have the option to turn off this feature or customize the three-day timer.

Because it’s tied to Google Play Services, users will receive the feature passively — there’s no need for a full system update to access it.
Read more »
SuperCardX
Android Hacking malware NFC phishing Skimming SuperCardX

SuperCard X Malware Turns Android Phones into NFC Relay Hubs for Real-Time Payment Fraud

 

Hackers are exploiting a Chinese-language malware-as-a-service (MaaS) platform known as SuperCard X to conduct near-field communication (NFC) relay attacks, enabling the theft of payment card data and real-time fraudulent transactions at point-of-sale (PoS) systems and ATMs. According to mobile security firm Cleafy, SuperCard X diverges from traditional banking malware by weaponizing the contactless features of modern payment cards, transforming infected Android devices into relay tools for instant cash-outs.

“Effectively turning any infected Android handset into an NFC relay station,” said mobile security firm Cleafy.

Cybercriminals can access preconfigured Reader and Tapper apps—used to capture and relay NFC card data—via Telegram channels, offering low-barrier entry into NFC fraud without the need to build custom tools.

The attack typically begins with spoofed messages sent via SMS or WhatsApp, impersonating a bank and warning of suspicious activity. Victims are urged to call a provided number, where scammers—posing as bank representatives—manipulate them into disabling card security settings through social engineering. Eventually, victims are sent a link to download the SuperCard X Reader, disguised as a legitimate security utility.

Once installed, the Reader app requests minimal NFC and system permissions, allowing it to evade standard antivirus detection. Cleafy’s research identified that SuperCard X reuses code from NFCGate and NGate, open-source frameworks that facilitate NFC relay functionalities.

Victims are tricked into tapping their payment cards against the infected Android device. This initiates silent harvesting of sensitive NFC data—such as Answer To Reset (ATR) messages—which are then transmitted via a secure HTTP-based command-and-control (C2) infrastructure, protected through mutual TLS encryption.

On the attacker’s side, the Tapper app—running on a separate Android phone—emulates the victim’s card using Host-based Card Emulation (HCE) mode. This allows the attacker to make contactless transactions at PoS terminals and ATMs, treating the emulated card as legitimate, especially after the victim has removed spending limits.

“SuperCard X distinguishes itself from conventional Android banking Trojans by omitting complex features such as screen overlays, SMS interception or remote desktop controls. It instead focuses on an NFC relay and streamlined permission model, granting it a low fingerprinting profile and allowing it to remain undetected by the vast majority of antivirus engines and behavioral monitors.”

In certain campaigns targeting users in Italy, Cleafy observed customized app versions distributed by affiliates. These variants had stripped-down interfaces—removing sign-up screens and Telegram links—and replaced them with benign app icons and names. During calls, fraudsters provide victims with pre-set credentials, eliminating the need for registration and further reducing the chance of user suspicion.
Read more »
Salt Typhoon
Android Cyber Security Google messages RCS Salt Typhoon

Google Plans Big Messaging Update for Android Users

 



Google is preparing a major upgrade to its Messages app that will make texting between Android and iPhone users much smoother and more secure. For a long time, Android and Apple phones haven’t worked well together when it comes to messaging. But this upcoming change is expected to improve the experience and add strong privacy protections.


New Messaging Technology Called RCS

The improvement is based on a system called RCS, short for Rich Communication Services. It’s a modern replacement for traditional SMS texting. This system adds features like read receipts, typing indicators, and high-quality image sharing—all without needing third-party apps. Most importantly, RCS supports encryption, which means messages can be protected and private.

Recently, the organization that decides how mobile networks work— the GSMA announced support for RCS as the new standard. Both Google and Apple have agreed to upgrade their messaging apps to match this system, allowing Android and iPhone users to send safer, encrypted messages to each other for the first time.


Why Is This Important Now?

The push for stronger messaging security comes after several cyberattacks, including a major hacking campaign by Chinese groups known as "Salt Typhoon." These hackers broke into American networks and accessed sensitive data. Events like this have raised concerns about weak security in regular text messaging. Even the FBI advised people not to use SMS for sharing personal or financial details.


What’s Changing in Google Messages?

As part of this shift, Google is updating its Messages app to make it easier for users to see which contacts are using RCS. In a test version of the app, spotted by Android Authority, Google is adding new features that label contacts based on whether they support RCS. The contact list may also show different colors to make RCS users stand out.

At the moment, there’s no clear way to know whether a chat will use secure RCS or fallback SMS. This update will fix that. It will even help users identify if someone using an iPhone has enabled RCS messaging.


A More Secure Future for Messaging

Once this update is live, Android users will have a messaging app that better matches Apple’s iMessage in both features and security. It also means people can communicate across platforms without needing apps like WhatsApp or Signal. With both Google and Apple on board, RCS could soon become the standard way we all send safe and reliable text messages.


Read more »
Subscribe to: Posts (Atom)