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...

RSAC 2019: New Operation Sharpshooter Data Reveals Higher Complexity, Scope

SAN FRANCISCO – An insidious reconnaissance campaign discovered in 2018, dubbed Operation Sharpshooter, is much more widespread than previously thought, researchers said. Operation Sharpshooter was first disclosed in December 2018, using a never-before-seen implant framework to infiltrate global...

New malware found using Google Drive as its command-and-control server

Since most security tools also keep an eye on the network traffic to detect malicious IP addresses, attackers are increasingly adopting infrastructure of legitimate services in their attacks to hide their malicious activities. Cybersecurity researchers have now spotted a new malware attack campai...

New malware found using Google Drive as its command-and-control server

Since most security tools also keep an eye on the network traffic to detect malicious IP addresses, attackers are increasingly adopting infrastructure of legitimate services in their attacks to hide their malicious activities. Cybersecurity researchers have now spotted a new malware attack campai...

TAU Threat Intelligence Notification – MongoLock Ransomware

Summary The new variant of MongoLock Ransomware will delete users’ files immediately instead of encrypting them. Upon execution, MongoLock will scan specific locations such as Desktop, Documents, or Recycle Bin Folders, then delete files and format the local disk drives. The following is the list...

Cryptomining Malware Uninstalls Cloud Security Products

Researchers say they have discovered a unique malware family capable of gaining admin rights on targeted systems by uninstalling cloud-security products. Instances of the malicious activity are tied to coin-mining malware targeting Linux servers. Palo Alto Networks’ Unit 42, which published the...

TA505 Crime Gang Debuts Brand-New ServHelper Backdoor

A new backdoor named ServHelper has been spotted in the wild, acting as both a remote desktop agent as well as a downloader for a RAT called FlawedGrace. According to Proofpoint, the prolific cybercriminal gang known as TA505 developed ServHelper, which has two variants: one focused on remote...

PyLocky Ransomware Decryption Tool Released — Unlock Files For Free

If your computer has been infected with PyLocky Ransomware and you are searching for a free ransomware decryption tool to unlock or decrypt your files—your search might end here. Security researcher Mike Bautista at Cisco's Talos cyber intelligence unit have released a free decryption tool that...

Sofacy Russia-Linked APT Debuts Fresh Zebrocy Variant

The Zebrocy trojan – a custom downloader malware used by Russia-linked APT Sofacy a.k.a. APT28, Fancy Bear or Sednit – has a new variant. While it’s functionally much the same as its other versions, the new code was written using the Go programming language. The similarities between the new paylo...