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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. More recently, it appears Megatraffer has been working with ransomware groups to help improve the stealth of their malware. ru in 2008.

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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?

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Who and What is Behind the Malware Proxy Service SocksEscort?

Krebs on Security

Researchers this month uncovered a two-year-old Linux-based remote access trojan dubbed AVrecon that enslaves Internet routers into botnet that bilks online advertisers and performs password-spraying attacks. ” According to Kilmer, AVrecon is the malware that gives SocksEscort its proxies.

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Threat actors leverages DLL-SideLoading to spread Qakbot malware

Security Affairs

Qakbot malware operators are using the Windows Calculator to side-load the malicious payload on target systems. In such attacks, malware places a spoofed malicious DLL file in a Windows’ WinSxS directory so that the operating system loads it instead of the legitimate file. The password-protected zip file contains an ISO file (i.e.

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The Link Between AWM Proxy & the Glupteba Botnet

Krebs on Security

On December 7, 2021, Google announced it was suing two Russian men allegedly responsible for operating the Glupteba botnet, a global malware menace that has infected millions of computers over the past decade. AWMproxy, the storefront for renting access to infected PCs, circa 2011.

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Meet Ika & Sal: The Bulletproof Hosting Duo from Hell

Krebs on Security

As detailed in my 2014 book, Spam Nation , Spamdot was home to crooks controlling some of the world’s nastiest botnets, global malware contagions that went by exotic names like Rustock , Cutwail , Mega-D , Festi , Waledac , and Grum. 2008, wherein he addresses forum members with the salutation, “Hello Gentlemen Scammers.”

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New QBot campaign delivered hijacking business correspondence

Security Affairs

Kaspersky researchers warn of a new QBot campaign leveraging hijacked business emails to deliver malware. In early April, Kaspersky experts observed a surge in attacks that QBot malware attacks (aka Qakbot , QuackBot, and Pinkslipbot ). Its modular structure allows operators to implement new features to extend their capabilities.

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