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Why Malware Crypting Services Deserve More Scrutiny

Krebs on Security

If you operate a cybercrime business that relies on disseminating malicious software, you probably also spend a good deal of time trying to disguise or “crypt” your malware so that it appears benign to antivirus and security products. This story explores the history and identity behind Cryptor[.]biz WHO RUNS CRYPTOR[.]BIZ?

Malware 227
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Ask Fitis, the Bear: Real Crooks Sign Their Malware

Krebs on Security

This post is a deep dive on “ Megatraffer ,” a veteran Russian hacker who has practically cornered the underground market for malware focused code-signing certificates since 2015. One of Megatraffer’s ads on an English-language cybercrime forum. WHO IS MEGATRAFFER? user account — this one on Verified[.]ru

Malware 251
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Giving a Face to the Malware Proxy Service ‘Faceless’

Krebs on Security

For the past seven years, a malware-based proxy service known as “ Faceless ” has sold anonymity to countless cybercriminals. The proxy lookup page inside the malware-based anonymity service Faceless. MrMurza’s Faceless advertised on the Russian-language cybercrime forum ProCrd. Image: spur.us. In 2013, U.S.

Malware 243
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No SOCKS, No Shoes, No Malware Proxy Services!

Krebs on Security

Compounding the problem, several remaining malware-based proxy services have chosen to block new registrations to avoid swamping their networks with a sudden influx of customers. com , a malware-based proxy network that has been in existence since at least 2010. Last week, a seven-year-old proxy service called 911[.]re

Malware 265
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How Did Authorities Identify the Alleged Lockbit Boss?

Krebs on Security

This post examines the activities of Khoroshev’s many alter egos on the cybercrime forums, and tracks the career of a gifted malware author who has written and sold malicious code for the past 14 years. used the password 225948. Dmitry Yuryevich Khoroshev. Image: treasury.gov. On May 7, the U.S. and admin@stairwell.ru

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Ten Years Later, New Clues in the Target Breach

Krebs on Security

The malware used in the Target breach included the text string “ Rescator ,” which also was the handle chosen by the cybercriminal who was selling all of the cards stolen from Target customers. For starters, the text string “Rescator” was found in some of the malware used in the Target breach.

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Inside ‘Evil Corp,’ a $100M Cybercrime Menace

Krebs on Security

Justice Department this month offered a $5 million bounty for information leading to the arrest and conviction of a Russian man indicted for allegedly orchestrating a vast, international cybercrime network that called itself “ Evil Corp ” and stole roughly $100 million from businesses and consumers. According to the U.S.