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Source Anomali.webp Anomali
Identifiant 3531690
Date de publication 2021-10-19 15:00:00 (vue: 2021-10-19 15:05:24)
Titre Anomali Cyber Watch: FIN12 Ramps-Up in Europe, Interactsh Being Used For Malicious Purposes, New Yanluowang Ransomware and More
Texte The various threat intelligence stories in this iteration of the Anomali Cyber Watch discuss the following topics: APT, Cobalt Strike, Metasploit, Phishing, Ransomware, and Vulnerabilities. The IOCs related to these stories are attached to Anomali Cyber Watch and can be used to check your logs for potential malicious activity. Figure 1 - IOC Summary Charts. These charts summarize the IOCs attached to this magazine and provide a glimpse of the threats discussed. Trending Cyber News and Threat Intelligence Harvester: Nation-State-Backed Group Uses New Toolset To Target Victims In South Asia (published: October 18, 2021) A new threat group dubbed ‘Harvester’ has been found attacking organizations in South Asia and Afghanistan using a custom toolset composed of both public and private malware. Given the nature of the targets, which include governments, IT and Telecom companies, combined with the information stealing campaign, there is a high likelihood that this group is Nation-State backed. The initial infection method is unknown, but victim machines are directed to a URL that checks for a local file (winser.dll). If it doesn’t exist, a redirect is performed for a VBS file to download and run; this downloads and installs the Graphon backdoor. The command and control (C2) uses legitimate Microsoft and CloudFront services to mask data exfiltration. Analyst Comment: Nation-state threat actors are continually evolving their tactics, techniques and tools to adapt and infiltrate victim governments and/or companies. Ensure that employees have a training policy that reflects education on only downloading programs or documents from known, trusted sources. It is also important to notify management and the proper IT department if you suspect malicous activity may be occurring. MITRE ATT&CK: [MITRE ATT&CK] Process Injection - T1055 | [MITRE ATT&CK] Process Discovery - T1057 Tags: Backdoor.Graphon, Cobalt Strike Beacon, Metasploit Attackers Are Taking Advantage of the Open-Source Service Interactsh for Malicious Purposes (published: October 14, 2021) Unit 42 researchers have observed active exploits related to an open-source service called Interactsh. This tool can generate specific domain names to help its users test whether an exploit is successful. It can be used by researchers - but also by attackers - to validate vulnerabilities via real-time monitoring on the trace path for the domain. Researchers creating a proof-of-concept (PoC) for an exploit can insert "Interactsh" to check whether the exploit is working, but the service could also be used to check if the PoC is working. The tool became publicly available on April 16, 2021, and the first attempts to abuse it were observed soon after, on April 18, 2021. Analyst Comment: As the landscape changes, researchers and attackers will often use the same tools in order to reach a goal. In this instance, Interact.sh can be used to show if an exploit will work. Dual-use tools are often under fire for being able to validate malicious code, with this being the latest example. If necessary, take precautions and block traffic with interact.sh attached to it within company networks. Tags: Interactsh, Exploits
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Tags Ransomware Spam Malware Tool Vulnerability Threat Patching Guideline
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