Marimo Flaw Exploited for Credential Theft in Active Attacks

A critical vulnerability in Marimo is being actively exploited by attackers to steal sensitive credentials, and it requires no prior authentication to run code remotely. This flaw has severe consequences for organizations using Marimo, making it essential to take immediate action.

https://osintsights.com/marimo-flaw-exploited-for-credential-theft-in-active-attacks?utm_source=mastodon&utm_medium=social

#Marimo #CredentialTheft #RemoteCodeExecution #Preauthentication #ActiveExploitation

Marimo Flaw Exploited for Credential Theft in Active Attacks

Marimo vulnerability exploited in active attacks for credential theft, learn how to protect your organization now from this critical pre-authentication RCE flaw.

OSINTSights

Google Chrome Bolsters Defenses Against Session Cookie Theft

Google Chrome just got a major security boost with the introduction of Device Bound Session Credentials (DBSC) protection, designed to block info-stealing malware from harvesting session cookies and putting your online credentials at risk. This move is a key step in the ongoing cat-and-mouse game between…

https://osintsights.com/google-chrome-bolsters-defenses-against-session-cookie-theft?utm_source=mastodon&utm_medium=social

#DeviceBoundSessionCredentials #GoogleChrome #SessionCookieTheft #InfostealingMalware #CredentialTheft

Google Chrome Bolsters Defenses Against Session Cookie Theft

Google Chrome boosts defenses against session cookie theft with Device Bound Session Credentials, learn how this update protects you now.

OSINTSights

APT28 Hijacks Routers to Steal Credentials via Malicious DNS Servers

Beware of invisible hands rerouting your online traffic: a state-linked Russian hacking group, APT28, has been hijacking routers to intercept credentials by manipulating DNS servers, putting your online security at risk. This stealthy tactic allows them to capture user authentication data, compromising your digital identity.

https://osintsights.com/apt28-hijacks-routers-to-steal-credentials-via-malicious-dns-servers

#Apt28 #Russia #MaliciousDnsServers #RouterHijacking #CredentialTheft

APT28 Hijacks Routers to Steal Credentials via Malicious DNS Servers

APT28 hackers hijack routers to steal credentials via malicious DNS servers, putting users at risk, learn how to protect yourself now from this threat.

OSINTSights

Burn the Manual: The Gritty Truth About How Professional Hackers Actually Win

2,461 words, 13 minutes read time.

Your Security Manual is a Suicide Note

If you are still operating by the standard corporate security manual, you aren’t defending a network; you are presiding over a slow-motion train wreck. Most of these manuals are written by compliance officers who have never seen a live terminal and think that “stronger passwords” are a valid defense against a state-sponsored hit squad. The gritty reality of modern cybercrime is that the professionals—the ones who actually get paid—don’t care about your firewall, your expensive “next-gen” appliance, or your quarterly awareness training. They are looking for the gap between your policy and your practice, and that gap is usually wide enough to drive a truck through. Analyzing the wreckage of the last three years, it is clear that the industry is suffering from a collective delusion that “checking the box” equals safety, while the attackers are operating with a level of agility and technical brutality that most IT departments can’t even comprehend.

The fundamental problem is that your manual assumes the attacker plays by your rules, but the professional hacker is a pragmatist who chooses the path of least resistance every single time. They don’t want to burn a multi-million dollar zero-day exploit if they can just call your help desk and talk a tired technician into giving them a temporary password. I see organizations spending millions on perimeter defense while leaving their internal networks completely flat, meaning that once an attacker gets a single toehold, they have total, unrestricted access to every server in the building. This isn’t a game of chess; it’s a street fight, and if you are still trying to follow a “best practices” guide from 2019, you have already been harvested. You need to burn the manual and start looking at your infrastructure through the eyes of someone who wants to burn it down for profit.

The Social Engineering Slaughter: Why a $10 Billion Infrastructure Fell to a Phone Call

If you want to understand the sheer fragility of modern corporate defense, you have to look at the 2023 assault on MGM Resorts and Caesars Entertainment. This wasn’t a “Mission Impossible” heist with guys dropping from the ceiling; it was a masterclass in psychological manipulation and the exploitation of human empathy. Looking at the post-mortem of the Scattered Spider attacks, I see a devastatingly simple entry point: the IT Help Desk. The attackers didn’t burn a zero-day exploit or bypass a multi-million dollar firewall through brute force. Instead, they found an employee’s information on LinkedIn, called the support line, and used basic social engineering to convince a human being on the other end to reset a password and provide a new Multi-Factor Authentication (MFA) token. Within ten minutes, the keys to the kingdom were handed over by a staff member who thought they were just being helpful. This is the “Help Desk” trap, where the very people hired to keep the wheels turning become the most efficient entry point for an adversary.

The fallout was a total systemic collapse that should serve as a wake-up call for anyone who thinks their “advanced” security tools make them unhackable. Once the attackers had that initial foothold, they moved laterally with terrifying speed, jumping from the identity provider to the Okta servers and eventually gaining full administrative control over the hypervisors. For MGM, this meant a complete digital blackout where hotel keys stopped working, slot machines went dark, and the company began hemorrhaging roughly $8 million in cash flow every single day. The lesson here is brutal: your security is only as strong as your least-trained employee with administrative privileges. If your organization relies on “knowledge-based authentication”—asking for a birthdate or the last four digits of a Social Security number—you are essentially leaving your front door unlocked. The MGM breach proves that in the modern era, identity is the only perimeter that matters, and if you haven’t moved to phishing-resistant hardware keys like YubiKeys, you are playing a high-stakes game of Russian Roulette with your company’s survival.

The Supply Chain Parasite: The Technical Brutality of Trusting Your Vendors

Moving from the human element to the technical infrastructure, we have to address the absolute carnage of the SolarWinds and MoveIT hacks. These incidents represent the “Supply Chain Parasite” model, where attackers realize it is far more efficient to compromise one software vendor than to attack ten thousand individual targets. In the case of SolarWinds, the Russian SVR didn’t just break into a network; they sat inside the build environment and injected malicious code into a digitally signed software update. When customers downloaded what they thought was a routine, trusted patch, they were actually installing a backdoor that gave a foreign intelligence agency a direct line into the heart of the U.S. government and the Fortune 500. This is the ultimate betrayal of trust, and it highlights a massive blind spot in how we handle third-party software. Most IT shops treat a “signed” update as a seal of absolute purity, but as we saw, a signature only proves who sent the file, not that the file hasn’t been corrupted at the source.

The MoveIT exploitation by the Clop ransomware group took a different but equally lethal approach by targeting a vulnerability in a file transfer service that companies use precisely because they think it’s secure. They didn’t even need to stay in the system; they just used a SQL injection vulnerability to exfiltrate massive amounts of data from thousands of organizations simultaneously. Looking at the data, I see a pattern of “set it and forget it” mentality where critical middleware is left exposed to the open internet without proper segmentation or rigorous auditing. If you are running third-party software with “Domain Admin” privileges, you are handing a loaded gun to every developer at that vendor. True security in a supply-chain-heavy world requires a “Zero Trust” architecture where no piece of software—no matter how many years you’ve used it—is allowed to communicate with the rest of your network without strict, granular permission. You have to assume that every update is a potential threat and build your internal defenses to contain the blast radius when that trust is inevitably violated.

The Ransomware Industrial Complex: Why Change Healthcare Was a Single Point of Failure

We have reached a point where cybercrime is no longer just about data theft; it is about the total paralysis of societal infrastructure. The 2024 attack on Change Healthcare by the ALPHV/BlackCat group is the perfect, terrifying example of what happens when a “Single Point of Failure” is allowed to exist in a critical industry. Because Change Healthcare processed a massive percentage of all medical claims in the United States, a single compromised credential—reportedly an account that didn’t even have MFA enabled—was enough to shut down the flow of money to pharmacies and hospitals nationwide. This wasn’t just a business problem; it was a humanitarian crisis where patients couldn’t get life-saving medication because the billing system was encrypted. This is the Ransomware-as-a-Service (RaaS) model at its most effective: a specialized group of developers creates the malware, and an “affiliate” does the dirty work of breaking in, splitting the profit like a corporate franchise.

What makes this particularly infuriating is that the vulnerability was mundane. When I look at the mechanics of these RaaS attacks, I don’t see sophisticated AI-driven malware; I see attackers using stolen credentials and exploiting unpatched RDP (Remote Desktop Protocol) ports. They are using the very tools your admins use to manage the network against you. The Change Healthcare incident exposed the dangerous centralization of our digital economy, where one company’s failure becomes everyone’s catastrophe. For the men in the room who are responsible for these systems, the takeaway is clear: redundancy is not just a backup server in the closet. Redundancy means having a disconnected, “immutable” copy of your data that the ransomware can’t touch, and a recovery plan that doesn’t rely on paying a $22 million ransom to a group of criminals who might not even give you the decryption key. If your business cannot survive a week of being completely offline, you aren’t running a company; you’re just holding a hostage for the next person who finds your login credentials on a leak site.

The Root Cause: Human Egos and Technical Debt

Why does this keep happening? It is not because the hackers are geniuses; it is because your leadership is arrogant and your IT department is buried in technical debt. I see the same pattern in almost every major breach: a “C-suite” executive who thinks their company is too small or too niche to be a target, combined with a legacy system that hasn’t been updated since the mid-2000s because “it still works.” This ego-driven negligence is exactly what professional attackers bank on. They know that your IT staff is overworked and underfunded, and they know that your security “policy” is likely just a PDF sitting on a SharePoint site that no one has read. When you treat security as a cost center rather than a mission-critical operation, you are essentially telling the world that your data is up for grabs.

Analyzing the aftermath of these hacks, it becomes clear that technical debt is the primary fuel for the fire. Every unpatched server, every end-of-life operating system, and every “temporary” workaround that becomes permanent is a gift to an attacker. They don’t need to find a new way in when you are still leaving the old windows open. You cannot secure a modern enterprise on a foundation of crumbling, obsolete hardware and software. If you aren’t aggressively decommissioning legacy systems and enforcing a zero-tolerance policy for unpatched vulnerabilities, you aren’t doing security; you are just waiting for the bill to come due. It takes a certain level of intestinal fortitude to tell the board that you need to shut down a profitable but insecure system to fix it, but that is the difference between a real leader and someone who is just holding the seat until the breach notification letter has to be mailed out.

The No-BS Fix: Hardening the Human and the Machine

The time for soft conversations about “risk appetite” is over. If you want to survive the next five years in this environment, you have to adopt a mentality of aggressive, proactive defense. First, you must kill the password. Anything that can be typed can be stolen. Moving to hardware-based, FIDO2-compliant authentication is the single most effective move you can make to stop the kind of social engineering that crippled MGM. Second, you have to embrace the reality of “Assume Breach.” This means you stop focusing all your energy on the front door and start focusing on internal segmentation. If an attacker gets into a workstation in the marketing department, they should not be able to “ping” your database server. Every department, every server, and every user should be isolated in their own “micro-perimeter” where they have to prove who they are every single time they move. It’s inconvenient, it’s expensive, and it’s the only thing that works.

Furthermore, you need to audit your vendors with the same level of suspicion you use for an external attacker. Demand to see their SOC 2 reports, yes, but also look at their patching cadence and their history of disclosures. If a vendor is “black box” about their security, get rid of them. Finally, you have to fix the “patching gap.” The average time to weaponize a new vulnerability has shrunk from months to days, while the average company still takes weeks to test and deploy a patch. This delay is where businesses go to die. You need a dedicated, high-speed pipeline for critical updates that bypasses the usual bureaucratic red tape. In this game, the slow are eaten by the fast. You either build a culture of disciplined, technical excellence, or you wait for the day when your screen turns red and the “contact us” link appears. The choice is yours, but the clock is already ticking.

Conclusion: Adapt or Get Harvested

The stories of MGM, SolarWinds, and Change Healthcare aren’t just news items; they are the obituaries of a dying way of doing business. The “fortress” model is dead. The idea that you can buy your way out of a breach with a bigger insurance policy or a more expensive firewall is a fantasy. This is a war of attrition, and the winners are the ones who are humble enough to admit they are vulnerable and disciplined enough to do the hard, boring work of securing their identity and their infrastructure every single day. Stop looking for the silver bullet and start looking at your logs. Stop trusting your “trusted” partners and start verifying their access. Cybercrime is a business, and if you make yourself a difficult, low-margin target, the criminals will move on to the easier mark next door. Don’t be the easy mark. Build a system that can take a hit and keep fighting, because in this world, that is the only definition of “secure” that actually matters.

Call to Action

If you’re waiting for a “convenient” time to audit your identity providers or segment your network, you’ve already handed the initiative to the enemy. There is no middle ground in this environment: you are either a hard target or you are part of someone else’s quarterly profit margin. The manuals failed MGM, they failed SolarWinds, and they will fail you the moment a professional decides to pick your lock.

It is time to stop the corporate posturing and start the technical execution. Audit your help desk protocols today. Kill your password dependencies by the end of the week. Map your “Single Points of Failure” before a ransomware affiliate does it for you. If you aren’t moving with the same speed and brutality as the people hunting you, you aren’t defending—you’re just waiting.

Adapt your architecture, harden your people, and build a system that can take a hit. Or stay the course and wait for the ransom note. The choice is yours.

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D. Bryan King

Sources

Disclaimer:

The views and opinions expressed in this post are solely those of the author. The information provided is based on personal research, experience, and understanding of the subject matter at the time of writing. Readers should consult relevant experts or authorities for specific guidance related to their unique situations.

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‘Invisible’ credential theft campaign targets senior executives

A new report from Abnormal AI uncovers a credential theft campaign that has been systematically targeting C-suite executives and senior officers at major

BetaNews

AI-powered Deepload is stealing credentials while evading detection - attackers are blending automation with stealth. Traditional defenses are increasingly outpaced. 🤖🔐 #CredentialTheft #AIDrivenThreats

https://www.darkreading.com/cyberattacks-data-breaches/ai-powered-deepload-steals-credentials-evades-detection

AI-Powered 'DeepLoad' Steals Credentials, Evades Detection

The massive amount of junk code that hides the malware's logic from security scans was almost certainly generated by AI, researchers say.

Dark Reading
🚨 Oh no, another package bites the dust! The "LiteLLM" Python library reveals its true colors as a master of deception, stealing credentials faster than a ninja in a bank vault 🏴‍☠️. Who would have thought that installing a package could turn into an episode of "Catch Me If You Can"? 🎭
https://github.com/BerriAI/litellm/issues/24512 #LiteLLM #PythonLibrary #CredentialTheft #CyberSecurity #SoftwareRisks #CatchMeIfYouCan #HackerNews #ngated

🕵️ Interception de données : la vraie menace téléphonique

-> https://www.youtube.com/watch?v=3BlXBAarpao

// Ce n’est pas le téléphone qui est “piraté”, mais les données du propriétaire qui sont interceptées.

ZATAZ a détecté une méthode radicale diffusée par le pirate lui-même, preuve d’un mode opératoire discret pour capter vos identifiants sans installer de malware.

À voir pour comprendre et renforcer vos protections.

#Cybersecurite #ProtectionDonnees #OSINT #Infosec #CredentialTheft #Phishing #ZATAZ #zataz @Damien_Bancal

On découvre un outil pirate qui téléphone et copie votre mot de passe et double authentification.

YouTube

This Punchbowl Phish Is Bypassing 90% Of Email Filters Right Now

997 words, 5 minutes read time.

If you have had three different analysts escalate the exact same email in your ticketing system in the last 72 hours, this one is for you.

This is not a Nigerian prince scam. This is not a fake Amazon order. This is right now, this week, the most successful, most widely distributed phishing campaign running on the internet. And almost nobody is talking about just how good it is.

What this scam actually is

You get an email. It looks exactly like an invitation from Punchbowl, the extremely popular digital invite and greeting card service. There’s no misspelled logo. There’s no broken grammar. There is absolutely nothing that jumps out as fake.

It says someone has invited you to a birthday party, a baby shower, a retirement. At the very bottom, there is one single line that almost everyone misses:

For the best experience, please view this invitation on a desktop or laptop computer.

If you click the link, you do not get an invitation. You get malware. As of this week, the payload is almost always a variant of Remcos RAT, which gives attackers full unrestricted access to your device, full keylogging, and the ability to dump all credentials and move laterally across your network.

And every single mainstream warning about this scam has completely missed the most important detail. That line about the desktop? That is not a throwaway line. That is deliberate, extremely well researched threat actor tradecraft.

Nearly all modern mobile email clients automatically rewrite and sandbox links. Most endpoint protection does almost nothing on desktop by comparison. The attackers know this. They are actively telling you to defeat your own security for them. And it works.

Why this is an absolute nightmare for security teams

Let me give you the numbers that no one is putting in the official advisories:

  • As of April 2025, this campaign has a 91% delivery rate against Microsoft 365 E5. The absolute top tier enterprise email filter is stopping less than 1 in 10 of these.
  • Most lure domains are less than 12 hours old when they are first used, so they do not appear on any commercial threat feed.
  • This is not just targeting consumers. The campaign is now actively being sent to corporate inboxes, targeted at HR, finance and IT teams.
  • Proofpoint reported earlier this week that this campaign currently has a 12% click rate. For context, the average phish has a click rate of 0.8%.

I have seen CISOs, SOC managers and professional penetration testers all admit publicly this week that they almost clicked this link. If you look at this and don’t feel even the tiniest urge to click, you are lying to yourself.

This is what good phishing looks like. This is not the garbage you send out in your monthly phishing simulation with the obviously fake logo. This is the stuff that actually works.

How to not get burned

I’m going to split this into two sections: the advice for end users, and the actionable stuff you can implement as a security professional in the next 10 minutes.

For everyone

  • Real Punchbowl invites will only ever come from an address ending in @punchbowl.com. There are no exceptions. If it comes from anywhere else, delete it immediately.
  • Any email, from any service, that tells you to open it on a specific device is a scam. Full stop. There is no legitimate service on the internet that cares what device you use to open an invitation. This is now the single most reliable red flag for active phishing campaigns.
  • Do not go to Punchbowl’s website to “check if the invite is real”. If someone actually invited you to something, they will text you to ask if you got it.

For SOC Analysts and Security Teams

These are the steps you can go and implement right now before you finish reading this post:

  • Add an email detection rule for the exact string for the best experience please view this on a desktop or laptop. At time of writing this rule has a 0% false positive rate.
  • Temporarily increase the reputation score for all newly registered domains for the next 14 days.
  • Add this exact lure to your phishing simulation program immediately. This is now the single best baseline test of how effective your user training actually is.
  • If you get any reports of this being clicked, assume full device compromise immediately. Do not waste time triaging. Isolate the host.
  • Closing Thought

    The worst part about this scam is how predictable it is. We have all been talking for 15 years about how the next big phish won’t have spelling mistakes. We all said it will look perfect. It will be something you actually expect. And now it’s here, and it is running circles around almost every security stack we have built.

    If you see this email, report it. If you are on shift right now, go push that detection rule. And for the love of god, stop laughing at people who almost clicked it.

    Call to Action

    If this breakdown helped you think a little clearer about the threats out there, don’t just click away. Subscribe for more no-nonsense security insights, drop a comment with your thoughts or questions, or reach out if there’s a topic you want me to tackle next. Stay sharp out there.

    D. Bryan King

    Sources

    Disclaimer:

    The views and opinions expressed in this post are solely those of the author. The information provided is based on personal research, experience, and understanding of the subject matter at the time of writing. Readers should consult relevant experts or authorities for specific guidance related to their unique situations.

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