CoreBot Credential-Stealing Malware

A new piece of data-stealing malware has a real thirst for credentials—and the potential for worse trouble down the line. IBM today published a report on CoreBot, generic information-stealing malware designed with enough flexibility to soon ramp up its capabilities to exfiltrate data in real time...

Updated DGA Changer Malware Generates Fake Domain Stream

LAS VEGAS — The group behind the DGA Changer downloader has been pretty adept in modifying the malware to elude sandbox detection in particular. Researchers at Seculert today published a report on the latest twist to DGA Changer, which now is able to generate a fake stream of domains if it detect...

Matsnu Botnet DGA Builds Domains From List of Nouns, Verbs

Domain generation algorithms have been botmasters’ favorite tool for keeping malware up and running—and for frustrating security researchers and detection technologies. Like malware, DGAs evolve, thus complicating an already tricky cat-and-mouse game between criminals and white hats. The latest i...

Rovnix Variant Surfaces With New DGA

Researchers have unearthed a new version of the Rovnix malware that has a couple of additional features, including a new domain generation algorithm and a secure transmission channel for communicating with the command-and-control servers. Rovnix is a malware variant that often has been distribute...

NewGOZ Gameover Zeus Botnet Rebuilds

It didn’t take long for an updated version of GameOver Zeus to make some headway in rebuilding itself. Research published today from Arbor Networks demonstrates that cybercriminals behind GameOver Zeus, which was taken down by law enforcement in early June, have renewed the botnet with at least...

New GameOver Zeus Botnet Malware Variant Surfaces

The GameOver Zeus takedown was trumpeted as a victory against cybercrime, and for all its success, even those involved understood it was likely a temporary win. Researchers at Seculert have spotted a new variant of GameOver Zeus that has spurned previous versions’ peer-to-peer communication...

New Pushdo Malware Hacks 11,000 Computers in Just 24 Hours

One of the oldest active malware families, Pushdo, is again making its way onto the Internet and has recently infected more than 11,000 computers in just 24 hours. Pushdo, a multipurpose Trojan, is primarily known for delivering financial malware such as ZeuS and SpyEye onto infected computers or...

Possible New Version of GameOver Zeus Malware Emerges

It’s only been a little more than a month since the FBI and Europol took down the GameOver Zeus botnet, taking control of its command-and-control infrastructure and effectively cutting off the malware’s head. But researchers say that there are some indications that a new strain of the malware may...

US-CERT Warns of More CryptoLocker Ransomware Infections

CryptoLocker is a devious evolution of now-familiar ransomware schemes in which the malware encrypts files it finds on a number of network resources and demands a ransom for the decryption key. US-CERT issued an advisory today warning businesses and consumers of the risks presented by CryptoLocke...

Shylock/Caphaw Banking Malware Infections on the Rise

Two dozen major U.S. and European banks are in the crosshairs of the Shylock, or Caphaw, financial malware of late, and victims who trade with one of the 24 financial institutions are at risk of giving up their credentials and losing assets in their accounts. Malware researchers have noticed a ri...

Kelihos P2P Botnet Leveraging Composite Blocking Lists

Kelihos, the peer-to-peer botnet with nine lives, keeps popping up with new capabilities that enable it to sustain itself and make money for its keepers by pushing spam, harvesting credentials and even stealing Bitcoins. According to a number of sources, Kelihos is now leveraging legitimate and...

PushDo Malware DGA Now Generates .KZ Domains

For every punch a hacker throws, there is a counter from a security company, and then, inevitably, the hacker adjusts again. That’s what’s happening right now with the PushDo malware. This week, Dell SecureWorks, Damballa Lab and Georgia Tech University combined on a research report exposing the...

PushDo Malware Returns with Domain Generation Algorithm

Four times since 2008, authorities and technology companies have taken the prolific PushDo malware and Cutwail spam botnet offline. Yet much like the Energizer Bunny, it keeps coming back for more. In early March, researchers at Damballa discovered a new version of the malware that had adopted a...

Watching a Botnet From the Inside

When you hear about botnets such as Rustock, Mariposa or Grum being taken down, one of the tactics that’s usually involved is sinkholing. The technique, which involves pointing the infected machines to a server controlled by good guys rather than attackers, often is used as one of the last steps ...

Researchers Confirm 600K-Strong Flashback Botnet Is Mostly Mac

Kaspersky Lab researchers say that analysis of the Flashfake botnet confirms the size of the malicious network and that it consists mostly of Mac OS X machines. Researchers at Kaspersky wrote on Friday that they were able to reverse engineer the domain generation algorithm used by the botnet, the...

Apache Derby Information Disclosure Vulnerability

Apache Derby is prone to an information disclosure vulnerability. SPDX-FileCopyrightText: 2010 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:apache:derby";...

Linux Kernel Cryptoloop encrypted filesystem weak encryption

Weak IV Initial Vector generation algorithm allows data watermarking, making it possible to detect data in filesystem...