Malicious Package

hulp is a malicious package. It contains malicious codes in its pre-install script that attempt to call home to a Command and Control server to execute arbitrary commands...

Malicious Package

kraken-api is a malicious package. It contains malicious codes in its post-install script which attempt to call home to a Command and Control server to execute arbitrary commands...

Malicious Package

Overview Version 0.1.8 of kraken-api contains malicious code as a postinstall script. When installed, the package calls home to a Command and Control server to execute arbitrary commands. Recommendation Any computer that has this package installed or running should be considered fully compromised...

Malicious Package

Overview All versions of hulp contain malicious code as a preinstall script. When installed, the package calls home to a Command and Control server to execute arbitrary commands. Recommendation Any computer that has this package installed or running should be considered fully compromised. All...

New Linux Malware ‘HiddenWasp’ Borrows from Mirai, Azazel

A new strain of malware targeting Linux systems has been identified by researchers. The malware, dubbed HiddenWasp, is believed to be used as part of a second-stage attack against already-compromised systems and is composed of a rootkit, trojan and deployment script. “The ratio of Linux threats h...

One year later: The VPNFilter catastrophe that wasn't

Cisco Talos first disclosed the existence of VPNFilter on May 23, 2018. The malware made headlines across the globe, as it was a sophisticated piece of malware developed by a nation state, infecting half a million devices, and poised to cause havoc. Yet the attack was averted. The attacker’s...

IT threat evolution Q1 2019

Targeted attacks and malware campaigns Go Zebrocy Zebrocy was first observed being used as a Sofacy backdoor in 2015. However, the collection of cases where this tool has been used mean that we consider it a subset of activity in its own right. On the basis of this threat actor's past behaviour, ...

DNSpionage brings out the Karkoff

Warren Mercer and Paul Rascagneres authored this post. Update 4/24: The C2 section below now includes details around the XOR element of the C2 communication system. Executive summary In November 2018, Cisco Talos discovered an attack campaign, called DNSpionage, in which threat actors created a n...

Carbanak Source Code Unveils a Startlingly Complex Malware

A look under the hood of FIN7’s notorious Carbanak backdoor – the result of nearly 500 total hours of analysis across 100,000 lines of code and dozens of binaries – shows that the malware is highly sophisticated – more sophisticated than expected. It’s a Cadillac in a sea of golf carts, if you...

Sophisticated 'TajMahal APT Framework' Remained Undetected for 5 Years

Cybersecurity researchers yesterday unveiled the existence of a highly sophisticated spyware framework that has been in operation for at least last 5 years—but remained undetected until recently. DubbedTajMahal by researchers at Kaspersky Lab, the APT framework is a high-tech modular-based malwar...

SAS 2019: Gaza Cybergang Blends Sophistication Levels in Highly Effective Spy Effort

SINGAPORE — Around 240 high-profile victims in 39 countries worldwide have become victims of an APT cyber-espionage attack, led by an organization dubbed the Gaza Cybergang that comprises several groups of varying sophistication. The victims, who were all targeted last year, include political,...

Meet ‘TajMahal,’ A New and Highly Advanced APT Framework

SINGAPORE – Researchers at Kaspersky Lab have discovered a new, highly sophisticated advanced persistent threat APT framework targeting a single Central Asian diplomatic agency. Malware samples associated with the APT reveal a complex never-before-seen code base, making it extremely hard to detec...

Steganography in the Modern Attack Landscape

Steganography the hiding of data in other content types such as images, videos, network traffic etc. continues to play a role in modern attacks in several forms. Most uses of steganography in malware can be divided into two broad categories: concealing the actual malware contents and concealing t...

Google Play Boots Italian Spyware Apps That Infected Hundreds

Google has removed more than a dozen malicious apps harboring Android spyware from its Google Play marketplace. The spyware appears to have been developed by an Italian firm, which is now under investigation for its development. Researchers allege that the apps have infected several hundred – up ...

Threat Roundup for March 22 to March 29

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 22 and March 29. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...

Cybercriminals Have a Heyday with WinRAR Bug in Fresh Campaigns

A recently discovered vulnerability in the WinRAR file archival utility has been exploited in a slew of new campaigns, including one with a never-before-seen payload. The flurry of activity shows no sign of waning as cybercriminals continue to find success exploiting the bug. The campaigns take...

ASUS Patches Live Update Bug That Allowed APT to Infect Thousands of PCs

ASUS has expedited a patch for a major bug impacting thousands of PCs that allowed an advanced persistent threat group to launch a supply-chain attack dubbed “Operation ShadowHammer.” The vulnerability targeted a range of new ASUS PCs with a backdoor injection technique tied to the PC-maker’s...

Malware Payloads Hide in Images: Steganography Gets a Reboot

One of the challenges of cybersecurity is that overfocusing on one threat trend means that another one can sneak up on you. This is especially problematic as our networks and the attack surface expands. Beyond threat vectors, though, we also need to pay attention to the entire spectrum of threat...

GlitchPOS: New PoS malware for sale

Warren Mercer and Paul Rascagneres authored this post with contributions from Ben Baker. Executive summary Point-of-sale malware is popular among attackers, as it usually leads to them obtaining credit card numbers and immediately use that information for financial gain. This type of malware is...

Researchers Link 'Sharpshooter' Cyber Attacks to North Korean Hackers

Security researchers have finally, with "high confidence," linked a previously discovered global cyber espionage campaign targeting critical infrastructure around the world to a North Korean APT hacking group. Thanks to the new evidence collected by researchers after analyzing a command-and-contr...