#Malware analysis

[wordpresssecurity01]

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[cyberstudious]

sunday, august 4th, 2024

this weekend I got a library card for the library in my new city and spent a while exploring and getting excited about books. I had to restrain myself from checking out like every book in the tech section because they were all so interesting lol. for now I'm borrowing books on high performance python and identity security, because those are the two topics I'm struggling with at work right now haha. not pictured is Babel, which I'm currently reading as an ebook. I've just been in book mode for the past few weeks and I want to learn all the things!

also yesterday I published a post announcing the studyblr masterpost jam! there's been some chatting around studyblr about bringing back some of the old-style studyblr resource posts and the like, and I thought this would be a fun way to do it! I'll be writing a bunch of masterposts about cybersecurity next week and I'd love to learn about what y'all are studying <3

[23meteorstreet]

waiting patiently for the day i can get hd caps of fool's paradise bc i have shit i need to say abt the last scene

[larathia]

Oda/Dazai observation before sleep

It just occurred to me that in the Dazai/Oda relationship you actually have the prophecy from Harry Potter, about Harry and Voldemort, turned on its head.

Okay. So. The non-story-specific aspects go like this:

And the Dark Lord will mark him as his equal, but he will have power the Dark Lord knows not… and either must die at the hand of the other, for neither can live while the other survives.

Okay. So. Dazai seems to generally be the 'Dark Lord', in that how this ends depends on how he 'marks' Oda. In the main timeline, he does so by drawing Oda into the Mafia, becoming friends with him. And in the BEAST timeline, Dazai marks him by shoving him away from the Mafia - toward the ADA. But in both cases, Oda is where he is because Dazai wants him there.

And in both cases, Dazai really doesn't understand Oda; he'll even admit as much. And you can see it, too. Even in BEAST, Dazai's expectations and approaches are way off. He cares, but he doesn't understand. (he will have power the Dark Lord knows not.)

As to the final bit, that's what got me thinking about it. Because the only way for Oda to survive is if Dazai dies first. In all the other timelines but BEAST, Oda dies first, and dies because of his relationship with Dazai.

And all this turns the HP prophecy on its ear - because they're never really enemies, even in the BEAST timeline where they're absolutely not friends.

[internett1line]

Understanding Network Sandboxes: Enhancing Cybersecurity for Businesses

In today’s digital landscape, cybersecurity is a growing concern for organizations of all sizes. As businesses continue to expand their digital footprint, cyber threats evolve, becoming more sophisticated and harder to detect. This is where network sandboxes play a critical role in ensuring the safety and security of sensitive data and IT infrastructures. What is a Network Sandbox? A network…

[7bits]

i finally tried out ida for reverse engineering, and the flirt signatures are a god send. i was trying for so long to get debug information for statically linked openssl functions in ghidra, but just needed to load a file to make it work on ida

[jcmarchi]

6 types of fraud to remain aware of (and other trends) - CyberTalk

New Post has been published on https://thedigitalinsider.com/6-types-of-fraud-to-remain-aware-of-and-other-trends-cybertalk/

6 types of fraud to remain aware of (and other trends) - CyberTalk

Miguel Hernandez y Lopez is a Cyber Security Engineering Manager and member of the Office of the CTO at Check Point Software Technologies. Miguel has over 20 years of experience in the cyber security field. He was a member of the Honeynet Project, an international non-profit organization (501c3) dedicated to the investigation of the most recent computer attacks, and the development of OpenSource security tools to learn about how hackers behave. He is co-author of the Security Compendium ´Cyber Security and Global Information Assurance: Threat Analysis and Response Solutions´ sponsored by the U.S. Air Force Academy, USA (ISBN: 978-1-60566-326-5). Miguel holds a Master of Science of Technology from Universidad de Buenos Aires.                                                          

In honor of International Fraud Awareness Week, here at Cyber Talk, we’re joining the global effort to increase insight and education around fraud prevention.

Every year, organizations lose trillions of dollars to fraud, largely because they don’t understand the tactics that fraudsters employ or what kinds of prevention strategies to implement.

In this interview, explore what’s happening in the world of cyber fraud and how you can support more effective fraud-fighting initiatives. Let’s dive in:

What types of business fraud are you seeing at the moment?

There are several types of business fraud trending currently:

1. Cyber fraud. Cyber attacks are on the rise. Cyber criminals are using techniques such as phishing, malware or ransomware to steal sensitive information or disrupt business operations.

2. Internal fraud. This involves fraudulent activity by staff members within a business, including theft, falsification of documents or embezzlement.

3. Invoice fraud. This involves fake invoices being sent to a company in the hope they’ll pay fake charges without noticing.

4. CEO fraud. This is where fraudsters pose as a CEO of a company or another senior executive to trick an employee into transferring funds or sharing sensitive information.

5. Return fraud. This is particularly prevalent in the retail sector, where customers abuse the return policy for financial gain.

6. Payroll fraud. This can occur when employees manipulate the payroll system to receive more compensation than they’re due.

It’s essential for businesses to constantly update their security measures, educate employees about potential scams and implement strong internal controls to prevent fraud.

Fraud is expensive. Could you speak to the cost of fraud for businesses?

Absolutely. The cost of fraud can be substantial for businesses both financially and reputationally.

There are direct financial losses, which could soar into the millions, depending on the scale of the business and the fraud.

There are also investigation and recovery costs. Post-fraud, a business needs to conduct investigations and try to recover lost funds. These processes can be time-consuming and costly.

Beyond that, there are legal costs. Depending on the severity of the fraud, legal costs can be significant. If the company suffered a large loss, it may choose to prosecute the fraudulent party, increasing expenses.

Also, there are regulatory fines. In some cases, especially those involving data breaches, a business may encounter hefty fines from regulatory bodies for failing to protect sensitive information.

Further, a company may experience reputational damage. Although not directly financial, damage to a company’s reputation can result in loss of customers, decreased sales, and a drop in stock prices, all of which indirectly contribute to overall financial loss.

Lastly, after a fraud incident, companies may see increased insurance premiums.

According to the Association of Certified Fraud Examiners Occupational Fraud 2022, in A Report to the Nations, organizations lose approximately five percent of revenue to fraud each year, with the average loss per case totaling more than $1.78 million.

In your opinion, what impact could generative AI have on the future of business fraud? (What impact has it already had, if any?)

Generative AI could play a significant role, both positively and negatively, when it comes to business fraud.

In terms of fraud prevention and detection, AI can process enormous volumes of data, identify patterns, and detect anomalies more quickly and accurately than human analysts. Using sophisticated algorithms and machine learning methodologies, generative AI can identify potential fraudulent activities before they become damaging.

On the other hand, misuse of generative AI could potentially increase sophisticated fraud scenarios.

For example, think about deepfakes, in which generative AI can create hyper-realistic audio, video, or text that’s virtually indistinguishable from real content. Unscrupulous individuals can use these ‘deepfakes’ for scams, to create false identities, or spread disinformation that harms businesses.

While generative AI provides tools and capabilities that businesses can leverage for fraud prevention, generative AI also requires enhancement in security measures to prevent misuse. Aid from regulatory bodies, education, and a solid legal framework will be necessary to ensure that generative AI’s impact remains positive.

What types of technology solutions or tools would you recommend for fraud detection and prevention?

I would recommend cyber security solutions that have gained popularity due to their effectiveness in addressing modern technological challenges. These solutions are considered robust because they focus on enhancing security posture in a dynamic and evolving threat landscape.

For instance, when you are using Check Point to secure your business, you gain accurate prevention against the most advanced attacks through the power of ThreatCloud AI.

ThreatCloud AI, the brain behind all of Check Point’s products, combines the latest AI technologies with big data threat intelligence to prevent the most advanced attacks while reducing false positives, keeping a business safe and productive.

Why are these solutions and strategies considered advantageous for fraud prevention?

In terms of what Check Point offers…

Integrated security architecture. Check Point provides a comprehensive and integrated security architecture. Solutions often include multiple layers of security, covering areas such as firewall, intrusion prevention, antivirus, anti-malware, VPN, and more. Having an integrated approach can simplify management and improve overall security effectiveness.

Threat Intelligence and Research. Check Point invests heavily in threat intelligence and research. The company’s researchers actively analyze emerging threats, vulnerabilities, and attack patterns. This commitment to staying ahead of the threat landscape allows Check Point to provide timely updates and protection against new and evolving cyber threats.

Advanced threat prevention. Check Point is known for its advanced threat prevention capabilities. The solutions include technologies such as sandboxing, threat emulation, and threat extraction to detect and prevent sophisticated threats, including zero-day attacks and advanced persistent threats.

Cloud security. As organizations increasingly move their infrastructure and applications to the cloud, Check Point has expanded its offerings to include robust cloud security solutions. This includes protection for cloud workloads, applications, and data, as well as integration with major cloud service providers.

Network security. Check Point has a long history and a strong reputation in the field of network security. The company’s firewall solutions are widely used for securing network perimeters and enforcing security policies. Check Point’s expertise in network security is valuable for organizations with complex network architectures.

User-friendly management interface. Check Point products often feature user-friendly management interfaces that make it easier for security administrators to configure and monitor security policies. This can be important for organizations that want a solution that is both powerful and accessible for their security teams.

Scalability. Check Point solutions are designed to scale with the growth of an organization. Whether an organization is small or enterprise-level, Check Point’s products can often be tailored to meet the specific needs and scale of the environment.

Is there any other advice that you have for organizations?

I think that user awareness is crucial for fraud prevention – and for the following reasons:

Human factor. Often, human error or ignorance enables fraud. By enhancing user awareness, you help build the first, and sometimes most robust, line of defense against fraud.

Phishing attacks. In an age where cyber threats, like phishing, can lead to significant security risks, users who are aware of these threats aren’t as likely to fall for them as their peers.

Early detection. Aware users can identify suspicious activity, anomalies or changes in systems or transactions which may indicate a potential threat or fraud. They can escalate this early, enabling faster response and mitigation.

Mitigating insider threats. Employees who understand the signs of fraud are better equipped to spot and report possible internal threats.

Regulatory compliance. User awareness helps organizations stay in compliance with regulations that often require user training and awareness as a part of their requirements.

Culture of security. Training users around cyber security awareness creates a culture of security within the organization where every member, not just the IT or security team, has a role in preventing fraud.

In essence, users who are well-informed about fraud risks, ways to identify and respond to fraud, and the potential impact, add a valuable layer of protection for the organization.

For more insights from Miguel Hernandez y Lopez, please see CyberTalk.org’s past coverage. Lastly, to receive timely cyber security insights and cutting-edge analyses, please sign up for the cybertalk.org newsletter.

[noob2networking]

Throttling Thursday: Botnet - The Menace Lurking in Your Network

Welcome to Throttling Thursday, where we unveil the hidden world of botnets and equip you with the knowledge to combat these digital troublemakers. But don’t worry, we won’t let these mischievous bots ruin our day. Instead, we’ll tackle the topic with a humorous tone, using analogies and emojis to make it easy for even the most novice readers to understand. So, fasten your seatbelts, put on your…

[osintelligence]

https://bit.ly/3FGxiyR - ShellBot Malware Being Distributed to Linux SSH Servers AhnLab Security Emergency Response Center (ASEC) recently discovered that ShellBot malware is being installed on poorly managed Linux SSH servers. ShellBot, also known as PerlBot, is a DDoS Bot malware developed in Perl that uses IRC protocol to communicate with its C&C server. This old malware has been in steady use and is still being used today to launch attacks against Linux systems. Threat actors attacking server environments use different methods than those used for desktop environments. Poorly managed services or those weak to vulnerability exploitations because they have not been patched to the latest version are prime targets A main example of a poorly managed service is one where simple account credentials are used, causing the server to be vulnerable to dictionary attacks. The ShellBot malware strains covered in this post are believed to have been installed after threat actors used account credentials obtained through scanners and SSH BruteForce malware on target systems. After scanning systems with operational port 22s, threat actors search for systems where the SSH service is active and use a list of commonly used SSH account credentials to initiate their dictionary attack.

[maryharrisk5]

Malware analysis is the procedure of determining the impacts and functionalities of numerous malware such as trojans, worms, rootkit, viruses, and others.

[phantomrose96]

At this point, after this has happened a dozen times, why the hell is anyone pushing any update that wide that fast. They didn't try 10 nearby computers first? Didn't do zone by zone? Someone needs to be turbo fired for this and a law needs to get written.

The "this has happened a dozen times" really isn't correct. This one is unprecedented.

But yes the "how the hell could it go THAT bad?" is the thing everyone with even a little software experience is spinning over. Because it is very easy to write code with a bug. But that's why you test aggressively, and you roll out cautiously - with MORE aggressive testing and MORE cautious rollout the more widely-impacting your rollout would be.

And this is from my perspective in product software, where my most catastrophic failure could break a product, not global systems.

Anti-malware products like Crowdstrike are highly-privileged, as in they have elevated trust and access to parts of the system that most programs wouldn't usually have - which is something that makes extremely thorough smoke-testing of the product way MORE important than anything I've ever touched. It has kernel access. This kind of thing needs testing out the wazoo.

I can mostly understand the errors that crop up where like, an extremely old machine on an extremely esoteric operating system gets bricked because the test radius didn't include that kind of configuration. But all of Windows?

All of Windows, with a mass rollout to all production users, including governments?

There had to be layers upon layers of failures here. Especially given how huge Crowdstrike is. And I really want to know what their post-mortem analysis ends up being because for right now I cannot fathom how you end up with an oversight this large.

[trans-girl-nausicaa]

Approximately 200,000 emails, documents, images and other files released by Anonymous For Justice. The files reveal connections between foreign militaries and the IDF. According to the source, the data was released in response to the October 2023 invasion of Gaza. An analysis of the metadata indicates the data likely originated from a prior access and was exfiltrated after February 2023. Like other datasets from this source, nearly all of the emails have been converted to HTML format.

Statement from the source

"Most of the crimes committed by the child-killing Zionist regime were committed by the Israel Defence Forces. The information you see in this section is a small gift from us to the oppressed children who lost their lives, father, mother and heart in Gaza by the bloodthirsty Zionists."

Disclaimer

This dataset was released in the buildup to, in the midst of, or in the aftermath of a cyberwar or hybrid war. Therefore, there is an increased chance of malware, ulterior motives and altered or implanted data, or false flags/fake personas. As a result, we encourage readers, researchers and journalists to take additional care with the data.

[cyberstudious]

saturday, may 18th, 2024 ☀️

things are really good right now. my partner and I signed the lease for our next apartment this week, so my brain can finally move onto other things! the weather is beautiful here and I've been enjoying sitting and reading on the balcony (and commonplacing at my desk when it gets too hot outside).

I also finally got myself a copy of Practical Malware Analysis the other day - I really wanted this book when I was working on my last certification, but I knew it would distract me from studying too much. I've only read the first chapter so far but I'm excited to keep going! it's nice to be back to studying something that I'm super interested in.