Unmasking the new Chaos RaaS group attacks

Cisco Talos Incident Response Talos IR recently observed attacks by Chaos, a relatively new ransomware-as-a-service RaaS group conducting big-game hunting and double extortion attacks. Chaos RaaS actors initiated low-effort spam flooding, escalating to voice-based social engineering for access,...

Unmasking the new persistent attacks on Japan

Cisco Talos discovered malicious activities conducted by an unknown attacker since as early as January 2025, predominantly targeting organizations in Japan. The attacker has exploited the vulnerability CVE-2024-4577, a remote code execution RCE flaw in the PHP-CGI implementation of PHP on Windows...

SolarMarker Malware Evolves to Resist Takedown Attempts with Multi-Tiered Infrastructure

The persistent threat actors behind the SolarMarker information-stealing malware have established a multi-tiered infrastructure to complicate law enforcement takedown efforts, new findings from Recorded Future show. "The core of SolarMarker's operations is its layered infrastructure, which consis...

New Horabot campaign targets the Americas

Cisco Talos has observed a threat actor deploying a previously unidentified botnet program Talos is calling "Horabot," which delivers a known banking trojan and spam tool onto victim machines in a campaign that has been ongoing since at least November 2020. The threat actor appears to be targetin...

Snip3 Crypter an Advanced RAT Loader Targeting Multiple Industries

Threat Level Attack Report Follow Hive Pro for a detailed threat advisory, download the pdf file here from HiveForce Labs. Summary A multi-stage remote access trojan RAT loader called Snip3 crypter was recently discovered deploying RAT families, including QuasarRAT and DcRAT, to target victims...

Linux Variant of Clop Ransomware Spotted, But Uses Faulty Encryption Algorithm

The first-ever Linux variant of the Clop ransomware has been detected in the wild, but with a faulty encryption algorithm that has made it possible to reverse engineer the process. "The ELF executable contains a flawed encryption algorithm making it possible to decrypt locked files without paying...

Demystifying Qbot Malware

Demystifying Qbot Malware By Adithya Chandra · August 24, 2022 This blog was also written by Sushant Kumar Arya Executive summary The Trellix SecOps Team has observed an uptick in the Qbot malware infections in recent months. Qbot has been an active threat for over 14 years and continues to evolv...

Demystifying Qbot Malware

Demystifying Qbot Malware By Adithya Chandra and Sushant Kumar Arya · August 24, 2022 Executive summary The Trellix SecOps Team has observed an uptick in the Qbot malware infections in recent months. Qbot has been an active threat for over 14 years and continues to evolve, adopting new infection...

Microsoft Warns of Cryptomining Malware Campaign Targeting Linux Servers

A cloud threat actor group tracked as 8220 has updated its malware toolset to breach Linux servers with the goal of installing crypto miners as part of a long-running campaign. "The updates include the deployment of new versions of a crypto miner and an IRC bot," Microsoft Security Intelligence...

Pakistan-linked hackers targeted Indian power company with ReverseRat

A threat actor with suspected ties to Pakistan has been striking government and energy organizations in the South and Central Asia regions to deploy a remote access trojan on compromised Windows systems, according to new research. "Most of the organizations that exhibited signs of compromise were...

Retrospective 2020: DDoS Risk Higher Than Ever

Never before has the risk of a distributed denial-of-service DDoS attack been higher. In 2020, we saw record-breaking attacks, a DDoS extortion campaign impacting thousands of organizations globally, more emergency customer turnups, and more Akamai customers attacked than any year on record -- an...

Ransom Demands Return: New DDoS Extortion Threats From Old Actors Targeting Finance and Retail

Update 08/24/2020 As mentioned below, the Akamai SIRT has been tracking attacks from the so-called Armada Collective and Fancy Bear actors, who are sending ransom letters to various industry verticals such as finance, travel, and e-commerce. In addition to the...

Quarterly Report: Incident Response trends in fall 2019

By David Liebenberg and Kendall McKay. While many Cisco Talos Incident Response CTIR engagements have shown similar patterns over the past two quarters, we’re seeing a dangerous trend emerge this winter. Threat actors are increasingly combining the exfiltration of sensitive data along with data...

ThreatList: 90% SMBs Believe Nation-State Actors Are Targeting Them

While APT activity is generally considered to be aimed at large enterprises housing valuable intellectual property, military-industrial entities, dissidents and civil society, and organizations of strategic importance to governments, the vast majority of small- and medium-sized businesses SMBs ar...

Egyptian DDoS Campaign Observations

Between March 19 and March 25, 2019, there was a very large amount of DDoS traffic sourced from a specific Egyptian Autonomous System ASN directed at Akamai Prolexic customers. It's worth noting this is an ASN we rarely see in our pre-attack, or top source IPs during active attacks. When it showe...

December 21, 2017 – Morning Cyber Coffee Headlines – “Frosty the Snowman” Edition

Good morning! Sit with Carbon Black this morning over a cup of coffee or tea and browse a few industry headlines to get the day started. We’ve got just enough information below to get you through that first cup…enjoy! December 21, 2017 - Headlines Carbon Black in the News: Ransomware dominates th...

Cloud, IoT Big Factors in Annual BSIMM 7 Report

Bad software equals insecure software, and companies don’t have to accept this status quo. That’s both the takeaway and goal of Cigital’s seventh annual Building Security in Maturity Model report released Tuesday. The report reveals that the cloud, application containers, and agile software...

MedStar Slowly Restoring Services After Malware Attack

Portions of the hospital chain MedStar Health remain offline Wednesday as a result of a major malware attack that occurred Monday and crippled the hospital’s computer systems and forced one of the largest healthcare providers in Maryland and Washington, D.C. to turn patients away. The healthcare...