It has now been seven years since No Man's Sky released, which means there have been seven years of post-release updates. In a trailer released to celebrate the anniversary, Hello Games teased the next update by giving it a name: Echoes.
Call of Duty worm malware used to hack players exploits years-old bug
31.07.2023 - 21:37 / techcrunch.com
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, Heumann said that “it’s super easy to exploit.”
“It’s a simple buffer overflow with only very few limitations,” he said, referring to a well-known classof 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.
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.
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
The website gametalkz.com is an aggregator of news from open sources. The source is indicated at the beginning and at the end of the announcement. You can send a complaint on the news if you find it unreliable.
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