Malware Delivery via Cloud Services Exploits Unicode Trick to Deceive Users

A new attack campaign dubbed CLOUDREVERSER has been observed leveraging legitimate cloud storage services like Google Drive and Dropbox to stage malicious payloads. "The VBScript and PowerShell scripts in the CLOUDREVERSER inherently involves command-and-control-like activities by using Google...

Teach a Man to Phish and He’s Set for Life

One frustrating aspect of email phishing is the frequency with which scammers fall back on tried-and-true methods that really have no business working these days. Like attaching a phishing email to a traditional, clean email message, or leveraging link redirects on LinkedIn, or abusing an encodin...

CVE-2022-24346

In JetBrains IntelliJ IDEA before 2021.3.1, local code execution via RLO Right-to-Left Override characters was possible...

Code injection

In JetBrains IntelliJ IDEA before 2021.3.1, local code execution via RLO Right-to-Left Override characters was possible...

CVE-2022-24346

The CVE-2022-24346 issue affects JetBrains IntelliJ IDEA prior to 2021.3.1, where local code execution could be triggered via Right-to-Left Override (RLO) characters embedded in a project/file. Red Hat and NVD entries confirm the same description. Impact is defined as local code execution with pa...

CVE-2022-24346

In JetBrains IntelliJ IDEA before 2021.3.1, local code execution via RLO Right-to-Left Override characters was possible...

‘Trojan Source’ Hides Invisible Bugs in Source Code

Researchers have found a new way to encode potentially evil source code, such that human reviewers see a harmless version and compilers see the invisible, wicked version. Named “Trojan Source attacks,” the method “exploits subtleties in text-encoding standards such as Unicode to produce source co...

Hackers Exploit 'Telegram Messenger' Zero-Day Flaw to Spread Malware

A zero-day vulnerability has been discovered in the desktop version for end-to-end encrypted Telegram messaging app that was being exploited in the wild in order to spread malware that mines cryptocurrencies such as Monero and ZCash. The Telegram vulnerability was uncovered by security researcher...

Zero-day vulnerability in Telegram

In October 2017, we learned of a vulnerability in Telegram Messenger's Windows client that was being exploited in the wild. It involves the use of a classic right-to-left override attack when a user sends files over the messenger service. Right-to-left override in a nutshell The special nonprinti...

Sirefef Malware Found Using Unicode Right-to-Left Override Technique

Old malware tricks never really die, they just get recycled and passed down to the next generation of attackers. The latest technique to get run through the wayback machine is the use of the right-to-left override character in Unicode, a tactic that enables malware authors to hide the real name o...