Hiding in the Tunnels: Unmasking the New Stealthy BPFDoor Variants

This is Rapid7's whitepaper discussing BPFDoor variants. Advanced persistent threats APTs are locked in a continuous arms race with network defenders. As static indicators of compromise IoCs for the notorious BPFDoor malware became widely deployed by security vendors, the threat actors went back ...

PT-2025-15185

Name of the Vulnerable Software and Affected Versions The product name cannot be determined. Description A DLL Search Order Hijacking issue potentially allowed an attacker with administrator privileges to load a malicious dynamic-link library and execute its code. Recommendations At the moment,...

Symbiote: A Stealthy Linux Malware Targeting Latin American Financial Sector

Cybersecurity researchers have taken the wraps off what they call a "nearly-impossible-to-detect" Linux malware that could be weaponized to backdoor infected systems. Dubbed Symbiote by threat intelligence firms BlackBerry and Intezer, the stealthy malware is so named for its ability to conceal...

Detecting Evasive Malware on IoT Devices Using Electromagnetic Emanations

Cybersecurity researchers have proposed a novel approach that harnesses electromagnetic field emanations from the Internet of Things IoT devices as a side-channel to glean precise knowledge about the different kinds of malware targeting the embedded systems, even in scenarios where obfuscation...

WIRTE Hacker Group Targets Government, Law, Financial Entities in Middle East

Government, diplomatic entities, military organizations, law firms, and financial institutions primarily located in the Middle East have been targeted as part of a stealthy malware campaign as early as 2019 by making use of malicious Microsoft Excel and Word documents. Russian cybersecurity compa...

Stealthy Malware Flies Under AV Radar with Advanced Obfuscation

Researchers warn hackers are putting a new spin on old injection techniques and successfully end-running endpoint protection. They are tracking a campaign, that kicked off in January, that is still going strong exploiting weaknesses in web browsers. The objective is to hide in the background of...

Researchers in the Dark on Powerful LightNeuron Malware for Years

LightNeuron, a backdoor specifically designed to target Microsoft Exchange mail servers, has flown under the radar since at least 2014, despite being the malware linchpin at the center of several targeted campaigns. A fresh analysis of the recently uncovered code shows that it’s the first publicl...

Stealthy Malware Disguises Itself as a WordPress License Key

UPDATE A spam-injecting malware is targeting WordPress site owners by disguising itself as a legitimate license key for a WordPress design theme. According to analysis from Sucuri, a customer opened a malware removal ticket reporting “some weird spam URLs injected onto their WordPress website.”...

Researchers Developed Artificial Intelligence-Powered Stealthy Malware

Artificial Intelligence AI has been seen as a potential solution for automatically detecting and combating malware, and stop cyber attacks before they affect any organization. However, the same technology can also be weaponized by threat actors to power a new generation of malware that can evade...