Threat Spotlight: XLLing in Excel - threat actors using malicious add-ins
As more and more users adopt new versions of Microsoft Office, it is likely that threat actors will turn away from VBA-based malicious documents to other formats such as XLLs or rely on exploiting newly discovered vulnerabilities to launch malicious code.
Threat Spotlight: Cyber Criminal Adoption of IPFS for Phishing, Malware Campaigns
* The InterPlanetary File System (IPFS) is an emerging Web3 technology that is currently seeing widespread abuse by threat actors. * Cisco Talos has observed multiple ongoing campaigns that leverage the IPFS network to host their malware payloads and phishing kit infrastructure
Emotet coming in hot
Emotet is a ubiquitous and well-known banking trojan that has evolved over the years to become a very successful modular botnet capable of dropping a variety of other threats. Even after a global takedown campaign in early 2021 disrupted the botnet, it reemerged later that year,
Alchimist: A new attack framework in Chinese for Mac, Linux and Windows
Cisco Talos discovered a new attack framework including a command and control (C2) tool called "Alchimist" and a new malware "Insekt" with remote administration capabilities.
Vulnerability Spotlight: Multiple issues in Robustel R1510 cellular router could lead to code execution, denial of service
Cisco Talos recently discovered nine vulnerabilities in the Robustel R1510 industrial cellular router, several of which could allow an adversary to inject operating system code remotely.
Gamaredon APT targets Ukrainian government agencies in new campaign
Cisco Talos discovered Gamaredon APT activity targeting users in Ukraine with malicious LNK files distributed in RAR archives.
Vulnerability Spotlight: Vulnerabilities in Alyac antivirus program could stop virus scanning, cause code execution
Jaewon Min of Cisco Talos discovered these vulnerabilities. Update (Aug. 3, 2022): Talos disclosed two new vulnerabilities in the Alyac antivirus software and added their details to this post. Cisco Talos recently discovered out-of-bounds read and buffer overflow vulnerabilitie
Vulnerability Spotlight: How a code re-use issue led to vulnerabilities across multiple products
Recently, I was performing some research on a wireless router and noticed the following piece of code: This unescape function will revert the URL encoded bytes to its original form. But something specifically caught my attention: There was no size check for the performed operati
Avos ransomware group expands with new attack arsenal
By Flavio Costa, * In a recent customer engagement, we observed a month-long AvosLocker campaign. * The attackers utilized several different tools, including Cobalt Strike, Sliver and multiple commercial network scanners. * The initial ingress point in this incident was a pa