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Explaining Fileless Malware Succinctly with Examples from our Research

Antivirus

Explaining Fileless Malware Succinctly with Examples from our Research

In Q1 2018, fileless attacks were up 94%. Learn about what fileless malware is with common examples from the Cybereason Nocturnus team's research.

Operation Soft Cell: A Worldwide Campaign Against Telecommunications Providers

Advanced Persistent Threat

Operation Soft Cell: A Worldwide Campaign Against Telecommunications Providers

In 2018, the Cybereason Nocturnus team identified an advanced, persistent attack targeting global telecommunications providers.

A One-two Punch of Emotet, TrickBot, & Ryuk Stealing & Ransoming Data

Trojan

A One-two Punch of Emotet, TrickBot, & Ryuk Stealing & Ransoming Data

The Cybereason team has identified a malware campaign that combines Emotet, TrickBot, and Ryuk to steal and ransom data.

Triple Threat: Emotet Deploys TrickBot to Steal Data & Spread Ryuk

Trojan

Triple Threat: Emotet Deploys TrickBot to Steal Data & Spread Ryuk

The Cybereason team has uncovered a severe threat that adapts Emotet to drop TrickBot, and adapts TrickBot to not only steal data but also download the Ryuk ransomware.

New Ursnif Variant Targets Japan Packed with New Features

Trojan

New Ursnif Variant Targets Japan Packed with New Features

In this research we dissect a recent campaign that uses language checks and steganography to evade detection. The new variant features a stealthy persistence mechanism, revamped information-stealing modules focusing on mail clients and cryptocurrency, and targets Japanese security products.

Cybereason creates 'vaccine' to stop Remcos RAT

Trojan

Cybereason creates 'vaccine' to stop Remcos RAT

A live command-and-control server is carrying out an attack that’s dropping a few malware programs on victim’s machines, including the Jigsaw ransomware and the Remcos RAT (remote access Trojan) and its dropper.

Use behavioral analysis to detect a new Ursnif banking Trojan campaign in Japan

Behavioral Analytics

Use behavioral analysis to detect a new Ursnif banking Trojan campaign in Japan

In the past 24 hours, Cybereason Labs has detected a new wave of phishing emails targeting Japanese users. The phishing emails appear to come from Japan’s Post Service.

Permission to Execute: The Incident of the Signed and Verified RAT

Trojan

Permission to Execute: The Incident of the Signed and Verified RAT

Large organizations are gradually starting to focus more on security awareness by enforcing strict protocols and implementing current security infrastructure and technology. However, implementing these policies, which are usually developed at corporate headquarters, in remote locations and business units remains a challenge.