Fileless Attacks: The Next Frontier for Cybercrime

The world of cybersecurity is rapidly evolving, and so are the methods of cybercriminals. More and more attackers are moving away from traditional malware—in fact, 60% of today’s attacks involve fileless techniques. A fileless attack also known as a “memory-based” or “live-off-the-land” attack is...

Dexphot Malware Hijacks 80K+ Devices to Mine Cryptocurrency

Microsoft is warning of malware, Dexphot, that has infected more than 80,000 machines, sucking up their CPU power in order to mine cryptocurrency. Researchers first discovered Dexphot in October 2018 and saw its activity peak during July. They said that the malware has a complex attack chain and...

Threat Analysis Unit (TAU) Threat Intelligence Notification: Ramnit Banking Trojan

Ramnit Banking Trojan was first discovered in 2010 and is still evolving and staying actively as the second rank on the top banking trojan list in October 2019 as from the source post. It may be distributing via malvertising, exploit kit, spear-phishing campaign or others method to infect on the...

Pipka Card Skimmer Removes Itself After Infecting eCommerce Sites

A new JavaScript payment card skimmer, dubbed Pipka, has been identified on at least seventeen merchant websites attempting to target site visitors’ payment data. Unlike other skimmers, Pipka removes itself from the HTML code of compromised websites after exfiltrating payment card data – a...

Stealthy Malware Flies Under AV Radar with Advanced Obfuscation

Researchers warn hackers are putting a new spin on old injection techniques and successfully end-running endpoint protection. They are tracking a campaign, that kicked off in January, that is still going strong exploiting weaknesses in web browsers. The objective is to hide in the background of...

Double Vision: Stealthy Malware Dropper Delivers Dual RATs

A newly discovered initial-stage malware dropper has been discovered sneaking by antivirus products, with the ultimate goal of delivering a double-pronged whammy of RevengeRAT and WSH RAT payloads onto targeted Windows machines. A FortiGuard Labs team recently captured a sample file that had been...

Innovative PureLocker Ransomware Emerges in Targeted Attacks

The PureLocker ransomware – so-called because it’s written in the PureBasic programming language – has been spotted being used in targeted attacks against both Windows and Linux-based production servers at enterprises. Researchers said it shows unusual characteristics that underscore the innovati...

Design/Logic Flaw

If LDLIBRARYPATH is undefined in gargoyle-free before 2009-08-25, the variable will point to the current directory. This can allow a local user to trick another user into running gargoyle in a directory with a cracked libgarglk.so and gain access to the user's account...

AVG Antivirus (All Editions) < 19.8 DLL Preloading Vulnerability - Windows

AVG Antivirus is prone to a dll preloading vulnerability. SPDX-FileCopyrightText: 2019 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:avg:anti-virus";...

Avast Antivirus (All Editions) < 19.8 DLL Preloading Vulnerability - Windows

Avast Antivirus is prone to a dll preloading vulnerability. SPDX-FileCopyrightText: 2019 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:avast:antivirus";...

Fin7 Cybergang Retools With New Malicious Code

The Fin7 cybercrime group has ramped up its offensive capabilities by adding new malicious code to its malware arsenal. Researchers said that this is evidence that Fin7 is still a growing threat despite the arrest of several Fin7 members in 2018. The notorious group has adopted a new dropper samp...

Apple iTunes and iCloud for Windows 0-Day Exploited in Ransomware Attacks

Watch out Windows users! The cybercriminal group behind BitPaymer and iEncrypt ransomware attacks has been found exploiting a zero-day vulnerability affecting a little-known component that comes bundled with Apple's iTunes and iCloud software for Windows to evade antivirus detection. The vulnerab...

Apple iTunes Bug Actively Exploited in BitPaymer/iEncrypt Campaign

Bad actors are actively targeting a vulnerability in the Windows version of Apple iTunes to deliver BitPaymer/iEncrypt ransomware. It’s a new attack pattern that is difficult to detect, security researchers revealed Thursday. Researchers from Morphisec Labs in August identified the abuse of the...

Mahalo FIN7: Responding to the Criminal Operators’ New Tools and Techniques

During several recent incident response engagements, FireEye Mandiant investigators uncovered new tools in FIN7’s malware arsenal and kept pace as the global criminal operators attempted new evasion techniques. In this blog, we reveal two of FIN7’s new tools that we have called BOOSTWRITE and...

Sextortionists Get Past Defenses with Cryptocurrency Shift

A sextortion campaign is making the rounds that attempts to evade detection by demanding payment in cryptocurrencies other than Bitcoin. Sextortion operators typically send emails out claiming to have harvested webcam footage or browser histories related to adult content from the recipient’s...

Hackers Turn to OpenDocument Format to Avoid AV Detection

Attackers have a new obfuscation technique that uses the OpenDocument file format for sneaking payloads past antivirus software. Past macro-based attacks have relied on malware hitching a ride with .docx, .zip, .jar and many other file formats. But researchers at Cisco Talos said that because the...

The Phishing Industry

As I mentioned in my previous blog post, phishing attacks are now being created and executed on an industrial scale. Malicious actors are increasingly using highly sophisticated off-the-shelf phishing kits that allow them to deliver very targeted, short-lived attacks. These campaigns direct victi...

Forcepoint VPN Client is Vulnerable to Privilege Escalation Attacks

A vulnerability has been discovered in the Forcepoint VPN Client software for Windows. The flaw could enable an attacker – with an existing foothold on a system – to achieve an escalation of privilege, persistence and in some cases defense evasion. The vulnerability CVE-2019-6145 stems from an...

North Korean Spear-Phishing Attack Targets U.S. Firms

Researchers have uncovered an ongoing, sophisticated malware campaign aiming at U.S.-based targets with an interest in nuclear deterrence, North Korea’s nuclear submarine program and North Korean economic sanctions. The campaign, which researchers from Prevailion call “Autumn Aperture” and link...

The Hottest Malware Hits of the Summer

It's been a summer of ransomware hold-ups, supply chain attacks and fileless attacks flying under the radar of old-school security. With malware running amok while we were lying on the beach, here's a recap of the most burning strains and trends seen in the wild during the months of July and Augu...