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The Rise of One-Time Password Interception Bots

Krebs on Security

In February, KrebsOnSecurity wrote about a novel cybercrime service that helped attackers intercept the one-time passwords (OTPs) that many websites require as a second authentication factor in addition to passwords. agency — advertised a web-based bot designed to trick targets into giving up OTP tokens.

Passwords 321
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Facebook, Instagram, TikTok and Twitter Target Resellers of Hacked Accounts

Krebs on Security

Facebook, Instagram , TikTok , and Twitter this week all took steps to crack down on users involved in trafficking hijacked user accounts across their platforms. Facebook said it targeted a number of accounts tied to key sellers on OGUsers, as well as those who advertise the ability to broker stolen account sales.

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Giving a Face to the Malware Proxy Service ‘Faceless’

Krebs on Security

For less than a dollar per day, Faceless customers can route their malicious traffic through tens of thousands of compromised systems advertised on the service. Notices posted for Faceless users, advertising an email flooding service and soliciting zero-day vulnerabilities in Internet of Things devices. Image: Darkbeast/Ke-la.com.

Malware 234
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Malicious Office 365 Apps Are the Ultimate Insiders

Krebs on Security

After a user logs in, the link prompts them to install a malicious but innocuously-named app that gives the attacker persistent, password-free access to any of the user’s emails and files, both of which are then plundered to launch malware and phishing scams against others. Image: Proofpoint.

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Who’s Behind the Botnet-Based Service BHProxies?

Krebs on Security

BHProxies sells access to “residential proxy” networks, which allow someone to rent a residential IP address to use as a relay for their Internet communications, providing anonymity and the advantage of being perceived as a residential user surfing the web. The account didn’t resume posting on the forum until April 2014.

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‘The Manipulaters’ Improve Phishing, Still Fail at Opsec

Krebs on Security

In May 2015, KrebsOnSecurity published a brief writeup about the brazen Manipulaters team, noting that they openly operated hundreds of web sites selling tools designed to trick people into giving up usernames and passwords, or deploying malicious software on their PCs. ” A number of questions, indeed. .

Phishing 221
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A Deep Dive Into the Residential Proxy Service ‘911’

Krebs on Security

net , a service that advertised to cybercriminals seeking to obfuscate their malicious software so that it goes undetected by all or at least most of the major antivirus products on the market. net , which advertised “free unlimited internet file-sharing platform” for those who agreed to install their software.

VPN 304