CYBERSECURITY / DEFENSE / INTELLIGENCE

  • Details have emerged about a vulnerability impacting the “wall” command of the util-linux package that could be potentially exploited by a bad actor to leak a user’s password or alter the clipboard on certain Linux distributions. The bug, tracked as CVE-2024-28085, has been codenamed WallEscape by security researcher Skyler Ferrante. It has been described as a case of improper

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  • A comprehensive survey conducted by Keeper Security, in partnership with TrendCandy Research, has shed light on the growing concerns within the cybersecurity community.

    The survey, which gathered insights from over 800 IT and security executives globally, reveals a stark reality: 92% of respondents have observed a surge in cyber-attacks compared to the previous year.

    The complexity and frequency of these attacks are putting unprecedented pressure on organizations, with a significant 73% having suffered monetary losses due to cyber incidents.

    Vulnerable Sectors Under Siege

    Cybercriminals are not indiscriminate in their targets. The survey identifies IT services, financial operations, and supply chain management as the most frequently attacked sectors within organizations.

    The hospitality/travel, manufacturing, and financial services industries are also facing weekly and monthly attacks, with ransomware and phishing topping the list of concerns.

    Industries at Risk

    The New Wave of Sophisticated Attacks

    The findings from Keeper Security’s survey highlight the urgent need for organizations to adapt their cybersecurity strategies to counter both existing and emerging threats.

    A staggering 95% of IT leaders acknowledge that cyber-attacks are increasing in frequency and sophistication.

    The most serious emerging threats include AI-powered attacks, deepfake technology, supply chain attacks, cloud jacking, IoT attacks, 5G network exploits, and fileless attacks.

    AI-powered attacks are particularly concerning, as they enable cybercriminals to automate and scale traditional attack techniques like phishing and password cracking.

    This has led to a call for a proactive cybersecurity approach that combines advanced defense mechanisms with fundamental best practices.

    To combat these threats, IT leaders are planning to increase their AI security measures through data encryption (51%), employee training and awareness (45%), and advanced threat detection systems.

    In North America, the focus is equally split between threat detection systems and data encryption, each at 50%.AI Security Measures

    Phishing remains a significant challenge, with 67% of companies struggling to combat these attacks.

    The rise of AI tools has made phishing scams more believable and harder to detect, with 84% of respondents finding them more difficult to identify.

    Insider Threats and the Importance of PAM

    Not all threats come from the outside; 40% of respondents have faced attacks from within their organization.

    Privileged Access Management (PAM) solutions are crucial for managing and securing privileged credentials and enforcing the principle of least privilege to minimize damage from potential insider threats.

    Despite the evolving threat landscape, fundamental cybersecurity practices remain crucial. Organizations are encouraged to adopt password and PAM solutions to prevent prevalent attacks.

    A password manager can enforce strong password practices, while PAM solutions control and monitor high-level access.

    These measures create a layered security approach that enhances overall cybersecurity resilience.

    As cybercriminals continue to refine their tactics, IT and security leaders must remain vigilant and proactive in their defense measures to protect their organizations’ digital landscapes.

    Stay updated on Cybersecurity news, Whitepapers, and Infographics. Follow us onΒ LinkedInΒ &Β Twitter.

    The post IT and security Leaders Feel Ill-Equipped to Handle Emerging Threats: New Survey appeared first on GBHackers on Security | #1 Globally Trusted Cyber Security News Platform.

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  • Utilizing sandbox analysis for behavioral, network, and process examination provides a foundation for reverse engineering .NET malware.Β 

    The write-up outlines the importance of sandbox analysis in preparing for reverse engineering by highlighting what to expect and focus on, given that malware creators use various tactics to confuse analysts.

    It also mentions that the walkthrough will cover modifying malware to simplify analysis.

    The initial understanding gained from sandbox analysis allows analysts to prioritize areas for investigation during the deconstruction phase. This is particularly useful as malware often employs obfuscation techniques to impede analysis.Β Β 

    The preparation for reverse engineering Snake Keylogger, a.NET infostealer with anti-analysis techniques, where the author plans to use static and dynamic analysis with decompilers and debuggers in an isolated environment built with VirtualBox, Windows 11, Flare-VM, dnSpy, and.NET Reactor Slayer.Β 

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    The modded Snake Keylogger

    Stages of the Malware Analysis:

    The analysis identified “pago 4094.exe” as a .NET keylogger disguised as an airplane simulator. Static analysis revealed suspicious decryption code in the InitializeComponent function, and disabling the code confirmed its role in malicious activity.Β 

    The entry point that contains the Main function

    Dynamic analysis showed the code fetching data from a resource named “Grab” and decrypting it, which contained a valid DOS header, DOS stub, and PE header, indicating it was a new executable payload. 

    The payload, loaded as an in-memory assembly using Assembly.Load, was identified as “Aads.dll” and determined to be stage 2 of the malware.  

    The β€œAirplane Traveling” application on the ANY.RUN Sandbox

    The analyst at ANY.RUN investigated “Aads.dll,” a.NET assembly DLL, using static and dynamic analysis, where static analysis in dnSpy revealed sorting/searching functions but no malicious code.Β 

    β€œAads.dll” on DIE shows the Library and Linker

    Dynamic analysis with breakpoints showed “Aads.dll” using image data from resource “ivmsL” containing a potentially steganographic image. 

    The image data was processed through sorting algorithms and examined in memory, revealing a DOS header (“MZ”) and PE header, indicating a packed executable, while the extracted executable, named “Tyrone.dll,”  was identified as stage 3 of the malware.  

    The module β€œTyrone.dll” can be observed under the Modules Tab

    “Tyrone.dll” was found as a.NET DLL with VB.NET code that had been hidden by.NET Reactor. Static analysis of the deobfuscated code showed functions related to a “pandemic simulation” that were deemed unnecessary, but the presence of GetObject() suggested a next step. 

    Deobfuscating the β€œTyrone.dll”

    Dynamic analysis confirmed this suspicion by setting breakpoints and examining memory, while retrieved data from resource “wHzyWQnRZ” was identified as a new executable containing a DOS header, DOS stub, and PE header – stage 4 of the malware.Β 

    Document
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    Integrate ANY.RUN Malware Sandbox in your workplace.

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    Analysts investigated “lfwhUWZlmFnGhDYPudAJ.exe,” a.NET assembly flagged as a keylogger, where the file had obfuscated code with non-descriptive names and after identifying it as a VB.NET compiled PE32 executable, they detonated it in a sandbox environment, confirming its keylogging functionality.Β 

    The overview of β€œlfwhUWZlmFnGhDYPudAJ.exe” in an ANY.RUN sandbox

    At last, the deobfuscation with renaming functions (e.g., “lena_”) improved code readability for further analysis. 

    The malware configuration, encrypted with a hardcoded key, reveals SMTP information for exfiltration and the code steals login data from browsers (Chrome, Edge, etc.) and applications (Discord) by accessing their SQLite databases or LevelDB files. 

    Snake Keylogger Config Decryption Python Code

    It exfiltrates data via FTP, SMTP, or Telegram, as the analyzed sample uses SMTP with hardcoded credentials and sends data as an email attachment.

    It describes modifying the Snake Keylogger malware for easier analysis by disabling internet connection checking, self-deletion, and self-movement functionalities.Β 

    The encrypted SMTP information obtained from the Python code

    A Python script has been written to encrypt SMTP credentials with a key derived from an MD5 hash and store them in the malware configuration to bypass email encryption.Β 

    Document
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    Streamline Snake Keylogger analysis with the ANY.RUN sandbox

    Integrate ANY.RUN Malware Sandbox in your workplace. .

    The malware was customized by changing the icon and adding functionalities to change the wallpaper and save stolen credentials to text files on the desktop. The effectiveness of the modifications was verified by running the modded malware in a sandbox environment.Β 

    Boosting Security with ANY.RUN Threat Intelligence

    The solution offers a threat intelligence (TI) feed and a lookup portal, providing access to a constantly updated database of malware information that leverages data from over 1.5 million investigations by community and in-house analysts, allowing you to

    • Access the latest community-reported and analyst-discovered malware data.
    • Search across various aspects (fields) of 1.5 million investigations conducted in the past 6 months.
    • To identify risks, analyze command lines, registry changes, memory dumps, encrypted and unencrypted network traffic, and more.

    It offers threat intelligence in two formats:

    • Threat Intelligence Lookup – Search our portal for relevant events using 30 criteria. Use wildcards (*) or widely to search substrings. With rapid search, you will get results in 5 seconds. The attached IOCs and event fields include links to recorded sandbox research sessions.
    • Threat Intelligence Feeds – Receive STIX data from our Feeds directly into your TIP and SIEM systems. Set up firewalls for the current threats. New data provides indications and event fields for context every two hours.

    TI Lookup examines a massive database of Indicators of Compromise (IOCs) and related events across numerous parameters. Wildcards allow wide or particular searches, and results, including linked research sessions, are supplied in seconds.

    SIEM systems can use TI Feeds’ continuous threat data in STIX format and every two hours, IOCs and event details are added for threat analysis.

    What is ANY.RUN?

    ANY.RUNΒ is a cloud-based malware lab that does most of the work for security teams. 400,000 professionals use ANY.RUNΒ platform every day to look into events and speed up threat research on Linux and Windows cloud VMs.

    Advantages of ANY.RUN 

    • Real-time Detection: ANY.RUN can find malware and instantly identify many malware families using YARA and Suricata rules within about 40 seconds of posting a file.
    • Interactive Malware Analysis: ANY.RUN differs from many automated options because it lets you connect with the virtual machine from your browser. This live feature helps stop zero-day vulnerabilities and advanced malware that can get past signature-based protection.
    • Value for money: ANY.RUN’s cloud-based nature makes it a cost-effective option for businesses since your DevOps team doesn’t have to do any setup or support work.
    • Best for onboarding new security team members: ANY. RUN’s easy-to-use interface allows even new SOC researchers to quickly learn to examine malware and identify signs of compromise (IOCs).

    Are you from SOC and DFIR Teams? – Analyse Malware Incidents & get live Access with ANY.RUN ->Β Start Now for Free.

    The post How to Analyse .NET Malware? – Reverse Engineering Snake Keylogger appeared first on GBHackers on Security | #1 Globally Trusted Cyber Security News Platform.

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  • The maintainers of the Python Package Index (PyPI) repository briefly suspended new user sign-ups following an influx of malicious projects uploaded as part of a typosquatting campaign. It said “new project creation and new user registration” was temporarily halted to mitigate what it said was a “malware upload campaign.” The incident was resolved 10 hours later, on March 28, 2024, at

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  • The maintainers of the Python Package Index (PyPI) repository briefly suspended new user sign-ups following an influx of malicious projects uploaded as part of a typosquatting campaign. It said “new project creation and new user registration” was temporarily halted to mitigate what it said was a “malware upload campaign.” The incident was resolved 10 hours later, on March 28, 2024, at

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  • The United States is becoming more comfortable giving Ukraine the long-sought weapons.

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  • A new strategy outlines how the Defense Department plans to increase security and strengthen relationships across the industrial base.

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  • The ICBM program is facing a massive cost overrun and program delays.

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  • The service recently announced a major shakeup to prep for war with China.

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  • The service recently announced a major shakeup to prep for war with China.

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