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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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212

Fileless PyLoose: Cryptocurrency Mining Attack on Cloud Environments

A new fileless attack dubbed PyLoose has been observed striking cloud workloads with the goal of delivering a cryptocurrency miner, new findings from Wiz reveal. . "The attack consists of Python code that loads an XMRig Miner directly into memory using memfd , a known Linux fileless technique," security researchers Avigayil Mechtinger, Oren Ofer, and Itamar Gilad said . "This is the first publicly documented Python-based fileless attack targeting cloud workloads in the wild." The cloud security firm said it found nearly 200 instances where the attack method was employed for cryptocurrency mining. No other details about the threat actor are currently known other than the fact that they possess sophisticated capabilities. In the infection chain documented by Wiz, initial access is achieved through the exploitation of a publicly accessible Jupyter Notebook service that allowed for the execution of system commands using Python modules. PyLoose , first detected on June 22, 2023, is a Python script with just nine lines of code that embeds a compressed and encoded precompiled XMRig miner. The payload is retrieved from paste.c-net[.]org into the Python runtime's memory by means of an HTTPS GET request without having to write the file to disk. The link for this article located at The Hacker News is no longer available. . Uncover the method behind the PyLoose breach, which employs Python scripts for cloud-based tasks, simultaneously surreptitiously deploying miners into the system's memory.. Fileless Malware, Cloud Threats, Python Exploit. . Brittany Day

Calendar 2 Jul 12, 2023 User Avatar Brittany Day Cloud Security
78

Microsoft's Azure Security Center Enhances Linux Fileless Attack Detection

A fileless attack tends to hit via a software vulnerability, inject a stinky payload into an otherwise fragrant system process and then lurk in memory. The malware also attempts to remove any trace of itself on disk, which makes disk-based detection tricky. . Hey, Linux fans! Microsoft has got your back over fileless threats. Assuming you've bought into the whole Azure Security Center thing. Hot on the heels of a similar release for Windows (if by "hot" you mean "nearly 18 months after")comes a previewaimed at detecting that breed of malware that inserts itself into memory before attempting to hide its tracks. A fileless attack tends to hit via a software vulnerability, inject a stinky payload into an otherwise fragrant system process and then lurk in memory. The malware also attempts to remove any trace of itself on disk, which makes disk-based detection tricky. The link for this article located at The Register UK is no longer available. . Linux administrators can utilize Azure services to identify fileless intrusions that utilize stealthy memory-based methods.. Fileless Attack Detection, Malware Threats, Linux Security, Azure Security Center, Software Vulnerability. . LinuxSecurity.com Team

Calendar 2 Feb 26, 2020 User Avatar LinuxSecurity.com Team Vendors/Products
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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