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A security researcher has discovered a novel steganography technique for hiding data inside a Portable Network Graphics (.PNG) image file posted on Twitter, a tactic that could be exploited by threat actors to hide malicious activity. Researcher David Buchanan heralded Read More …
The ObliqueRAT malware is now cloaking its payloads as seemingly-innocent image files that are hidden on compromised websites. The remote access trojan (RAT), which has been operating since 2019, spreads via emails, which have malicious Microsoft Office documents attached. Previously, Read More …
In summer 2020 we uncovered a previously unknown multi-module C++ toolset used in highly targeted industrial espionage attacks dating back to 2018. Initially the reason for our interest in this malware was its rarity, the obviously targeted nature of the Read More …
While analyzing an attack against a Middle Eastern telecommunications organization, Unit 42 has discovered a variant of an OilRig-associated tool we call RDAT using a novel email-based command and control (C2) channel that relied on a technique known as steganography Read More …
A new version of the IcedID banking trojan has debuted that notably embraces steganography – the practice of hiding code within images – in order to stealthily infect victims. It has also changed up its process for eavesdropping on victims’ Read More …
Kaspersky ICS CERT experts have identified a series of attacks on organizations located in different countries. As of early May 2020, there are known cases of attacks on systems in Japan, Italy, Germany and the UK. Up to 50% of Read More …
Two reports published in the last few months show that malware operators are experimenting with using WAV audio files to hide malicious code. The technique is known as steganography — the art of hiding information in plain sight, in another data medium. Read More …
An unusual steganographic technique that an attacker can use to implant a malicious webshell on unsuspecting websites has been spotted in Latin America. According to research from Trustwave shared exclusively with Threatpost, a forensic investigation showed that an adversary is Read More …
Low-key but effective, steganography is an old-school trick of hiding code within a normal-looking image, where many cybersecurity pros may not think to look. One of the challenges of cybersecurity is that overfocusing on one threat trend means that another Read More …
Powload’s staying power in the threat landscape shows how far it has come. In fact, the uptick of macro malware in the first half of 2018 was due to Powload, which was distributed via spam emails. Powload was also one of the Read More …
