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Perfectl Malware

Schneier on Security

Perfectl in an impressive piece of malware: The malware has been circulating since at least 2021. The researchers are calling the malware Perfctl, the name of a malicious component that surreptitiously mines cryptocurrency. The naming convention is one of the many ways the malware attempts to escape notice of infected users.

Malware 273
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Delivering Malware Through Abandoned Amazon S3 Buckets

Schneier on Security

The TL;DR is that this time, we ended up discovering ~150 Amazon S3 buckets that had previously been used across commercial and open source software products, governments, and infrastructure deployment/update pipelines—and then abandoned. ”, we naively thought to ourselves. But there’s a second dimension to this attack.

Malware 303
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Notorious Malware, Spam Host “Prospero” Moves to Kaspersky Lab

Krebs on Security

“If you need a server for a botnet, for malware, brute, scan, phishing, fakes and any other tasks, please contact us,” BEARHOST’s ad on one forum advises. A fake browser update page pushing mobile malware. And BEARHOST has been cultivating its reputation since at least 2019. Image: Intrinsec.

Malware 247
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Mysterious Macintosh Malware

Schneier on Security

This is weird : Once an hour, infected Macs check a control server to see if there are any new commands the malware should run or binaries to execute. So far, however, researchers have yet to observe delivery of any payload on any of the infected 30,000 machines, leaving the malware’s ultimate goal unknown. Another article.

Malware 363
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FBI deleted China-linked PlugX malware from over 4,200 US computers

Security Affairs

The FBI has removed Chinese PlugX malware from over 4,200 computers in networks across the United States, the U.S. The Justice Department and FBI, along with international partners, announced they deleted PlugX malware from thousands of infected computers worldwide as part of a multi-month law enforcement operation.

Malware 120
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Ransomhub ransomware gang claims the hack of Mexican government Legal Affairs Office

Security Affairs

Mexico’s president announced the government is investigating an alleged ransomware hack that targeted the administration’s legal affairs office. The authorities launched an investigation after the ransomware gang Ransomhub claimed the attack and published samples of personal information from a database of government.

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PXA Stealer: New Malware Targets Governments and Education Across Europe and Asia

Penetration Testing

Cisco Talos recently identified a sophisticated cyber campaign targeting sensitive information in government and educational sectors across Europe and Asia.