Blackrota Golang Backdoor Packs Heavy Obfuscation Punch

Researchers have discovered a new backdoor written in the Go programming language Golang, which turned their heads due to its heavy level of obfuscation. The backdoor, called Blackrota, was first discovered in a honeypot owned by researchers, attempting to exploit an unauthorized-access...

Indistinguishability Obfuscation

Quanta magazine recently published a breathless article on indistinguishability obfuscation -- calling it the "crown jewel of cryptography" -- and saying that it had finally been achieved, based on a recently published paper. I want to add some caveats to the discussion. Basically, obfuscation...

Why Replace Traditional Web Application Firewall (WAF) With New Age WAF?

At present, web applications have become the top targets for attackers because of potential monetization opportunities. Security breaches on the web application can cost millions. Strikingly, DNS Domain Name System related outage and Distributed denial of service DDoS lead a negative impact on...

Invoke-Antivm - Powershell Tool For VM Evasion

Invoke-AntiVM is a set of modules to perform VM detection and fingerprinting with exfiltration via Powershell. Compatibility Run the script check-compatibility.ps1 to check what modules or functions are compatibile with the powershell version. Our goal is to achieve compatibility from 2.0 but we...

CRAT wants to plunder your endpoints

By Asheer Malhotra. Cisco Talos has observed a new version of a remote access trojan RAT family known as CRAT.Apart from the prebuilt RAT capabilities, the malware can download and deploy additional malicious plugins on the infected endpoint.One of the plugins is a ransomware known as "Hansom."CR...

CVE-2020-5943

In versions 14.1.0-14.1.0.1 and 14.1.2.5-14.1.2.7, when a BIG-IP object is created or listed through the REST interface, the protected fields are obfuscated in the REST response, not protected via a SecureVault cryptogram as TMSH does. One example of protected fields is the GTM monitor password...

Phishing JavaScript Obfuscation Techniques Soars

In our previous blogs, first where we explained JavaScript Obfuscation techniques and introduced a detailed overview on how JavaScript is being used to obfuscate page content to make phishing attacks and other web scams as evasive as possible; followed by one where we took a deep dive to examine...

Widevine-L3-Decryptor - A Chrome Extension That Demonstrates Bypassing Widevine L3 DRM

Widevine is a Google-owned DRM system that's in use by many popular streaming services Netflix, Spotify, etc. to prevent media content from being downloaded. But Widevine's least secure security level, L3, as used in most browsers and PCs, is implemented 100% in software i.e no hardware TEEs,...

Yandex Browser Access Control Error Vulnerability

Yandex Browser is a desktop version of the web browser from the Russian company Yandex. Yandex Browser suffers from a security vulnerability that originates from a critical information vulnerability incorrectly displayed in the user interface UI on the address bar, which can be exploited by an...

Catch Me if You Can—JavaScript Obfuscation

While conducting threat research on phishing evasion techniques, Akamai came across threat actors using obfuscation and encryption, making the malicious page harder to detect. The criminals were using JavaScript to pull this off...

Malicious Cyber Actor Use of Network Tunneling and Spoofing to Obfuscate Geolocation

Summary This Activity Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK™ and Pre-ATT&CK frameworks. See the MITRE ATT&CK for Enterprise and Pre-ATT&CK frameworks for referenced threat actor techniques. Attributing malicious cyber activity that uses network tunneli...

Danyil Vasilenko Bolt Browser Access Control Error Vulnerability

Danyil Vasilenko Bolt Browser is a productivity-oriented mobile browser from Danyil Vasilenko, Australia. The Danyil Vasilenko Bolt Browser suffers from a security vulnerability that originates from a critical information vulnerability incorrectly displayed in the user interface UI on the address...

Yandex Browser Information Disclosure Vulnerability

Yandex Browser is a desktop version of the web browser from the Russian company Yandex. Yandex Browser suffers from an information disclosure vulnerability that originates from a critical information vulnerability that is incorrectly displayed in the user interface UI on the address bar, which ca...

CVE-2020-7369

User Interface UI Misrepresentation of Critical Information vulnerability in the address bar of the Yandex Browser allows an attacker to obfuscate the true source of data as presented in the browser. This issue affects the Yandex Browser version 20.8.3 and prior versions, and was fixed in version...

CVE-2020-7364

User Interface UI Misrepresentation of Critical Information vulnerability in the address bar of UCWeb's UC Browser allows an attacker to obfuscate the true source of data as presented in the browser. This issue affects UCWeb's UC Browser version 13.0.8 and prior versions...

CVE-2020-7363

User Interface UI Misrepresentation of Critical Information vulnerability in the address bar of UCWeb's UC Browser allows an attacker to obfuscate the true source of data as presented in the browser. This issue affects UCWeb's UC Browser version 13.0.8 and prior versions...

Design/Logic Flaw

User Interface UI Misrepresentation of Critical Information vulnerability in the address bar of the Yandex Browser allows an attacker to obfuscate the true source of data as presented in the browser. This issue affects the RITS Browser version 3.3.9 and prior versions...

CVE-2020-7369 Yandex Browser Address Bar Spooofing

User Interface UI Misrepresentation of Critical Information vulnerability in the address bar of the Yandex Browser allows an attacker to obfuscate the true source of data as presented in the browser. This issue affects the Yandex Browser version 20.8.3 and prior versions, and was fixed in version...

CVE-2020-7363

CVE-2020-7363 affects UCWeb UC Browser versions 13.0.8 and earlier, enabling UI/address-bar spoofing through JavaScript timing tricks that can mislead users about the page origin. Exploitation requires visiting a page hosting executable JavaScript; it can trigger in-browser content or popups that...

Lemon Duck Cryptocurrency-Mining Botnet Activity Spikes

Researchers are warning of a recent dramatic uptick in the activity of the Lemon Duck cryptocurrency-mining botnet, which targets victims’ computer resources to mine the Monero virtual currency. Click to Register! Researchers warn that Lemon Duck is “one of the more complex” mining botnets, with...