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Iron Tiger Compromises Chat Application Mimi, Targets Windows, Mac, and Linux Users

We found APT group Iron Tiger's malware compromising chat application Mimi’s servers in a supply chain attack.

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Malware
Examining New DawDropper Banking Dropper and DaaS on the Dark Web

In this blog post, we discuss the technical details of a new banking dropper that we have dubbed DawDropper, give a brief history of banking trojans released in early 2022 that use malicious droppers, and elaborate on cybercriminal activities related to DaaS in the deep web.

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Ransomware & extortion
LockBit Ransomware Group Augments Its Latest Variant, LockBit 3.0, With BlackMatter Capabilities

In June 2022, LockBit revealed version 3.0 of its ransomware. In this blog entry, we discuss the findings from our own technical analysis of this variant and its behaviors, many of which are similar to those of the BlackMatter ransomware.

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Malware
Analyzing Penetration-Testing Tools That Threat Actors Use to Breach Systems and Steal Data

We discovered the use of two Python penetration-testing tools, Impacket and Responder, that malicious actors used to compromise systems and exfiltrate data. We share our key findings in this report.

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Cloud security
Analyzing the Risks of Using Environment Variables for Serverless Management

We examined the potential risks associated with using the serverless environment service for secrets management.

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Cryptocurrency
Fake Mobile Apps Steal Facebook Credentials, Cryptocurrency-Related Keys

We recently observed a number of apps on Google Play designed to perform malicious activities such as stealing user credentials and other sensitive user information, including private keys.

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Cloud security
Using Custom Containers in Serverless Environments for Better Security

After looking at offerings by cloud service providers (CSPs), we examined the possibilities of using a more secure serverless environment by running a custom container.

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Cloud securityDevops
Abusing Argo CD, Helm, and Artifact Hub: An Analysis of Supply Chain Attacks in Cloud-Native Applications

We provide an overview of cloud-native tools and examine how cybercriminals can exploit their vulnerabilities to launch supply chain attacks.

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Ransomware & extortion
AvosLocker Ransomware Variant Abuses Driver File to Disable Antivirus, Scans for Log4shell

We found an AvosLocker ransomware variant using a legitimate antivirus component to disable detection and blocking solutions.

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Exploits & Zero-Days
CVE-2022-22965: Analyzing the Exploitation of Spring4Shell Vulnerability in Weaponizing and Executing the Mirai Botnet Malware

We discovered active exploitation of a vulnerability in the Spring Framework designated as CVE-2022-22965 that allows malicious actors to download the Mirai botnet malware.

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