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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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No SOCKS, No Shoes, No Malware Proxy Services!

Krebs on Security

With the recent demise of several popular “proxy” services that let cybercriminals route their malicious traffic through hacked PCs, there is now something of a supply chain crisis gripping the underbelly of the Internet. com , a malware-based proxy network that has been in existence since at least 2010.

Malware 265
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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. “Why do I need a certificate? WHO IS MEGATRAFFER?

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. as a media sharing device on a local network that was somehow exposed to the Internet. Image: spur.us.

Malware 243
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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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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. was used by a Russian-speaking member called Pin on the English-language cybercrime forum Opensc. Image: treasury.gov.

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Administrator of RSOCKS Proxy Botnet Pleads Guilty

Krebs on Security

Denis Emelyantsev , a 36-year-old Russian man accused of running a massive botnet called RSOCKS that stitched malware into millions of devices worldwide, pleaded guilty to two counts of computer crime violations in a California courtroom this week. A copy of the passport for Denis Emelyantsev, a.k.a.