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Call of Duty worm malware used to hack players exploits years-old bug on July 31, 2023 at 3:22 pm

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For around a month, hackers have been infecting players of Call of Duty: Modern Warfare 2 with a self-spreading malware, also known as a worm. To do that, the hackers are exploiting a bug that was reported to the game’s publisher five years ago, TechCrunch has learned.

Someone on Twitter posted a screenshot showing the code behind the self-spreading malware. Maurice Heumann, a security researcher who for years has been finding and reporting bugs in several Call of Duty games, told TechCrunch that the screenshot shows the malware is using a bug and a technique to exploit the game that he himself discovered and reported in 2018 to Activision, the gaming giant that publishes the Call of Duty series.

“No fix was ever published. In fact, half a year later I sent a follow up email to ask if they fixed it,” Heumann said. TechCrunch saw a screenshot of Heumann’s correspondence with Activision.

Heumann said he never published details of the bug since Activision did not fix it, and publishing the bug could put players at risk. Referring to the bug he reported, Heymann said that “it’s super easy to exploit.”

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“It’s a simple buffer overflow with only very few limitations,” he said, referring to a well-known class of vulnerability. “Writing a full fledged exploit is a simple task.”

A security researcher looked at the malware sample for TechCrunch and confirmed the strings in the screenshot are indeed present in the malware. The code Heumann is referring to also appears in the malware analysis posted on another online repository.

The sample is now flagged as “CoDworm” by some antivirus engines.

Activision did not respond to a request for comment.

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Last week, the game publisher announced that it brought the game offline on the gaming platform Steam “while we investigate reports of an issue.”

It’s unclear why the bug reported by Heumann in 2018 was not fixed. Call of Duty: Modern Warfare 2 is 14 years old at this point, but the game is still on sale and still has a small community of players who play it online.

The hackers’ goal with this worm also remains a mystery.

Other than finding and reporting bugs on Call of Duty games, Heumann also used to develop an open source, modified, and customized version of Call of Duty: Black Ops III that patched serious vulnerabilities that he and others found in the game. This way, Heumann effectively gave players a way to play the game safely. In May, Heumann said Activision sent him a cease and desist letter demanding that he stop the project, which forced him to shut it down.

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Do you have information about this hack? Or other video game hacks? We’d love to hear from you. From a non-work device, you can contact Lorenzo Franceschi-Bicchierai securely on Signal at +1 917 257 1382, or via Telegram and Wire @lorenzofb, or email lorenzo@techcrunch.com. You can also contact TechCrunch via SecureDrop.

​ For around a month, hackers have been infecting players of Call of Duty: Modern Warfare 2 with a self-spreading malware, also known as a worm. To do that, the hackers are exploiting a bug that was reported to the game’s publisher five years ago, TechCrunch has learned. Someone on Twitter posted a screenshot showing the 

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No More Automatic Green Cards through Marriage

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Marrying a U.S. citizen has never automatically triggered a green card, but in 2025, the U.S. government has taken unprecedented steps to make the marriage-based residency process much stricter. If you’re considering this path, it’s critical to understand the significant changes and heightened scrutiny now shaping the journey from “I do” to permanent residency.

Increased Scrutiny on Marriage Fraud

The core reason for these changes is the government’s ongoing battle against immigration fraud. According to U.S. Citizenship and Immigration Services (USCIS), fake marriages remain one of the most common — and most aggressively prosecuted — forms of immigration fraud. This year, agencies have made clear that only genuine, legally recognized marriages will clear the hurdles for lawful permanent resident (green card) status. Sham marriages, or those arranged for immigration benefits rather than a bona fide relationship, are targeted for detailed investigation and potential deportation.

Step-by-Step: The Marriage-Based Green Card Process in 2025

  1. No More “Automatic” Green Cards
    • Marrying a U.S. citizen is only the first step. You must apply for a green card through a legal process that now requires extensive evidence your relationship is real and ongoing.
  2. Form and Filing Changes
    • In 2025, USCIS strictly enforces new editions of application forms — for adjustment of status (Form I-485), fiancé visas (Form I-129F), and petitions for relatives (Form I-130). Submitting even a single outdated page can trigger outright rejection, costing precious time and money.
  3. Evidence Requirements Have Tightened
    • Officials now demand clear, comprehensive proof of a genuine marital relationship. Examples include:
      • Joint bank accounts and tax returns
      • Shared leases, mortgages, or utility bills
      • Records of travel together
      • Messages, photos, and affidavits from friends/family
    • Simple wedding photos are no longer enough; fraud detection officers receive specialized training to spot faked documents and inconsistencies.
  1. Conditional Green Card—Not Permanent Right Away
    • If your marriage is less than 2 years old at the time of approval, you’ll be issued a conditional green card(“CR1”).
    • This allows you to live and work in the U.S. for 2 years, but it is a probationary period. Within the 90 days before the card expires, you and your spouse must jointly petition (Form I-751) to remove the conditions and receive a full, 10-year green card.
    • During this step, you must prove once again that the marriage remains genuine and was not entered into solely for immigration benefits. Failing to file, provide sufficient evidence, missing deadlines, or getting divorced before the end of this period can result in denial, deportation, or a permanent ban on reapplying.
  2. More Enforcement, More Risk

What Happens if the Marriage Ends?

  • Waivers are available if the marriage ends due to divorce or abuse, but the applicant must convincingly prove the marriage began in good faith, not to circumvent immigration laws.
  • If USCIS determines the relationship was fake or evidence is lacking, the applicant could face deportation and a lifetime ban from reapplying.
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Why Are These Changes Happening?

U.S. authorities say these reforms are a response to a real increase in attempted marriage fraud and the proliferation of “sham marriage” schemes. Recent years have seen several high-profile criminal cases and coordinated investigations. Protecting the legitimacy and security of the green card system has become a key national priority.

Key Takeaways for 2025 Applicants

  • Double-check all form editions and instructions before filing applications — even minor paperwork errors can now cost you your chance.
  • Prepare extensive evidence of a real, ongoing relationship. Start gathering financial records, joint leases, messages, travel documents, and third-party affidavits early.
  • Take conditional status seriously. Mark your calendar—with the stricter environment, missing even a procedural step could be disastrous.
  • Seek legal guidance if your circumstances are complex or you’ve faced any prior visa or immigration denials.

In short: Marrying a U.S. citizen in 2025 does not guarantee a green card. The process involves a two-year conditional period, multiple rounds of documentation, and close scrutiny to combat fraud. Real relationships, thorough preparation, and meticulous paperwork are essential to success in the new system.

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French President Macron Sues Candace Owens for Calling His Wife a Man

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Background

French President Emmanuel Macron and his wife, Brigitte Macron, have filed a defamation lawsuit in the United States against conservative commentator Candace Owens, following Owens’ repeated allegations that the First Lady is a man. The suit marks a notable escalation in a long-running campaign of harassment and conspiracy theories targeting Madame Macron, with the French couple now seeking legal redress beyond their home country.

Credit: Presidencia de la República Mexicana

Details of the Lawsuit

  • Filed In: Delaware Superior Court, United States
  • Plaintiffs: Emmanuel and Brigitte Macron
  • Defendant: Candace Owens and her business entities
  • Counts: 22 counts, including defamation and “false light”

The suit describes Owens’ claims as “outrageous, libelous, and implausible fabrications,” asserting that they have subjected the Macrons to “relentless bullying” and a “campaign of global humiliation.” The Macrons allege that Owens has repeatedly ignored credible evidence, favoring sensationalism and conspiracy to profit from their personal lives.

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Owens’ Statements and Actions

According to the legal filings:

  • Owens published a podcast series called Becoming Brigitte, and created social media content with her 4.5 million YouTube subscribers, asserting that Brigitte Macron is actually a man named Jean-Michel Trogneux (the name of Brigitte’s brother).
  • Owens also marketed merchandise and monetized content centered around these false claims.
  • She publicly declared that she would “stake [her] entire professional reputation” on these allegations, despite being repeatedly confronted with contrary evidence and direct denials from the Macrons.

The Macrons’ Response

The Macrons argue that:

Credit: Christophe Licoppe / European Union, 2025 / EC – Audiovisual Service

Context and Precedents

This lawsuit is unusual in that a sitting world leader is personally suing a foreign media personality in another country’s courts. Notably:

Credit: Gage Skidmore

What’s Next

The Macrons are seeking both compensatory and punitive damages, as well as a public correction of the record. Owens has stated she will address the lawsuit on her own podcast, but had not commented further as of the time of filing.

This high-profile case spotlights the difficulties public figures face in combating viral misinformation, while also raising questions about the limits of free speech, defamation laws, and international jurisdiction in the social media age.

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The U.S. Dollar Faces Its Biggest Shakeup in 60 Days

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Unprecedented Change on the Horizon

America’s financial system is experiencing sweeping transformation. A remarkable series of events—including landmark crypto legislation, China’s major reduction in U.S. Treasury holdings, and escalating friction between President Trump and Federal Reserve Chair Jerome Powell—signals a pivotal shift for the U.S. dollar and the future of global finance.

Congress Passes Groundbreaking Crypto Legislation

The GENIUS Act and More

  • The CBDC Anti-Surveillance State Act, which prohibits the Federal Reserve from issuing a retail central bank digital currency without congressional approval, effectively banning a U.S. government “digital dollar” CBDC.

Why it matters:
Advocates say these changes bring regulatory clarity, encourage the U.S. to maintain leadership in fintech, and respond to global competition, especially from China’s digital yuan and other BRICS initiatives.

China Dumps U.S. Treasuries to 16-Year Low

Implications:
While China remains a major holder, its steady sales draw global attention to the sustainability of U.S. debt financing and the dollar’s status as the world’s reserve currency.

Trump vs. the Fed: The Power Struggle Intensifies

The Digital Dollar Goes On-Chain

Market Impact: Crypto Leaders, Gold, and DeFi Technologies Rally

The Big Picture

  • These unprecedented developments represent the most significant change to the dollar system since the U.S. left the gold standard or the Federal Reserve was established.
  • America’s response to global monetary competition is now being shaped by a digital dollar, regulatory innovation, and shifting international alliances.
  • The next 60 days are primed for continued disruption, with the financial world watching closely for the long-term effects on the U.S. dollar’s dominance and the broader global order.
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