CAPTCHA – Computer Security Articles

Threat actors have launched a new campaign that starts with compromised WordPress sites and leads to fake reCAPTCHA sites designed to get visitors to accept web push notifications.

The post Fake reCAPTCHA forms dupe users via compromised WordPress sites appeared first on Malwarebytes Labs.

MalwareBytes Security

Drive-by cryptomining campaign targets millions of Android users

February 12, 2018 admin Android, Bot, CAPTCHA, coinhive, crypto mining, cryptomining, drive-by, Threat analysis

Credit to Author: Jérôme Segura| Date: Mon, 12 Feb 2018 14:00:24 +0000

Android users have been exposed to drive-by cryptomining in one of the largest campaigns that we have detected so far.

Categories:

Threat analysis

Tags: Android Bot CAPTCHA coinhive crypto mining cryptomining drive-by

Independent MotherBoard Security

This Machine Kills CAPTCHAs

October 26, 2017 admin AI, CAPTCHA, recaptcha, Recursive Cortical Network, University of Maryland

Credit to Author: Daniel Oberhaus| Date: Thu, 26 Oct 2017 18:58:05 +0000

A new type of neural network has cracked a device specifically meant to differentiate humans and machines.

Microsoft Security

Where’s the Macro? Malware authors are now using OLE embedding to deliver malicious files

January 23, 2017 admin Antimalware research for IT pros and enthusiasts, CAPTCHA, Cerber, Donvibs, macro malware, Macro-based malware, malicious JS scripts, malicious VB files, Microsoft Office, office, OLE-embedded objects, ransomware, TrojanDownloader:VBS/Donvibs, TrojanDownloader:VBS/Vibrio, Vibrio

Recently, we’ve seen reports of malicious files that misuse the legitimate Office object linking and embedding (OLE) capability to trick users into enabling and downloading malicious content. Previously, we’ve seen macros used in a similar matter, and this use of OLE might indicate a shift in behavior as administrators and enterprises are mitigating against this…