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Category — Proxyjacking
New Perfctl Malware Targets Linux Servers for Cryptocurrency Mining and Proxyjacking

New Perfctl Malware Targets Linux Servers for Cryptocurrency Mining and Proxyjacking

Oct 03, 2024 Linux / Malware
Misconfigured and vulnerable Linux servers are the target of an ongoing campaign that delivers a stealthy malware dubbed perfctl with the primary aim of running a cryptocurrency miner and proxyjacking software. "Perfctl is particularly elusive and persistent, employing several sophisticated techniques," Aqua security researchers Assaf Morag and Idan Revivo said in a report shared with The Hacker News. "When a new user logs into the server, it immediately stops all 'noisy' activities, lying dormant until the server is idle again. After execution, it deletes its binary and continues to run quietly in the background as a service." It's worth noting that some aspects of the campaign were disclosed last month by Cado Security, which detailed an activity cluster that targets internet-exposed Selenium Grid instances with both cryptocurrency mining and proxyjacking software. Specifically, the fileless perfctl malware has been found to exploit a security ...
New LABRAT Campaign Exploits GitLab Flaw for Cryptojacking and Proxyjacking Activities

New LABRAT Campaign Exploits GitLab Flaw for Cryptojacking and Proxyjacking Activities

Aug 17, 2023 Cryptojacking / Proxyjacking
A new, financially motivated operation dubbed  LABRAT  has been observed weaponizing a now-patched critical flaw in GitLab as part of a cryptojacking and proxyjacking campaign. "The attacker utilized undetected signature-based tools, sophisticated and stealthy cross-platform malware, command-and-control (C2) tools which bypassed firewalls, and kernel-based rootkits to hide their presence," Sysdig  said  in a report shared with The Hacker News. "Furthermore, the attacker abused a legitimate service,  TryCloudflare , to obfuscate their C2 network." Proxyjacking  allows the attacker to rent the compromised host out to a proxy network, making it possible to monetize the unused bandwidth. Cryptojacking, on the other hand, refers to the abuse of the system resources to mine cryptocurrency. A notable aspect of the campaign is the use of compiled binaries written in Go and .NET to fly under the radar, with LABRAT also providing backdoor access to the infected ...
Cybercriminals Hijacking Vulnerable SSH Servers in New Proxyjacking Campaign

Cybercriminals Hijacking Vulnerable SSH Servers in New Proxyjacking Campaign

Jun 30, 2023 Server Security / Cyber Threat
An active financially motivated campaign is targeting vulnerable SSH servers to covertly ensnare them into a proxy network. "This is an active campaign in which the attacker leverages SSH for remote access, running malicious scripts that stealthily enlist victim servers into a peer-to-peer (P2P) proxy network, such as Peer2Profit or Honeygain," Akamai researcher Allen West said in a Thursday report. Unlike cryptojacking, in which a compromised system's resources are used to illicitly mine cryptocurrency, proxyjacking offers the ability for threat actors to leverage the victim's unused bandwidth to clandestinely run different services as a P2P node. This offers two-fold benefits: It not only enables the attacker to monetize the extra bandwidth with a significantly reduced resource load that would be necessary to carry out cryptojacking, it also reduces the chances of discovery. "It is a stealthier alternative to cryptojacking and has serious implications th...
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The State of GRC 2025: From Cost Center to Strategic Business Driver

websiteDrataGovernance, Risk and Compliance
Drata's report takes a look at how GRC professionals are approaching data protection regulations, AI, and the ability to maintain customer trust.
How Breaches Start: Breaking Down 5 Real Vulns

How Breaches Start: Breaking Down 5 Real Vulns

Apr 28, 2025Cloud Security / Vulnerability
Not every security vulnerability is high risk on its own - but in the hands of an advanced attacker, even small weaknesses can escalate into major breaches. These five real vulnerabilities, uncovered by Intruder's bug-hunting team, reveal how attackers turn overlooked flaws into serious security incidents. 1. Stealing AWS Credentials with a Redirect Server-Side Request Forgery (SSRF) is a common vulnerability that can have a significant impact, especially in cloud-hosted applications. If a web application fetches resources from user-supplied URLs, care should be taken to ensure attackers can't manipulate requests to access unintended resources. While assessing a home-moving app running in AWS, our team tested common SSRF bypass techniques. The attack chain was as follows: the app sent a webhook request to the attacker's web server, which responded with a 302 redirect to AWS's metadata service. The app followed the redirect and logged the response, which exposed sensitive metadat...
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