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ELF Linux/NyaDrop

Low
Published: Fri Oct 14 2016 (10/14/2016, 00:00:00 UTC)
Source: CIRCL
Vendor/Project: tlp
Product: white

Description

ELF Linux/NyaDrop

AI-Powered Analysis

AILast updated: 07/02/2025, 18:56:48 UTC

Technical Analysis

ELF Linux/NyaDrop is a malware threat targeting Linux systems, identified and reported by CIRCL. The malware is categorized as low severity and is characterized by its ELF (Executable and Linkable Format) binary format, which is native to Linux operating systems. NyaDrop is known to be a dropper-type malware, meaning its primary function is to deliver and install additional malicious payloads onto the infected system. However, the provided information lacks detailed technical specifics such as infection vectors, payload capabilities, or persistence mechanisms. The absence of known exploits in the wild and the low threat level suggest that NyaDrop may have limited distribution or impact. The malware's threat level is rated as 3 on an unspecified scale, with an analysis rating of 2, indicating a relatively low risk profile. Given the lack of detailed indicators of compromise or specific affected versions, it appears that NyaDrop is a generic Linux malware sample rather than a targeted or highly sophisticated threat. The malware's low severity rating and absence of known exploits imply that it currently poses minimal risk to Linux environments, but its presence underscores the ongoing need for vigilance against Linux-targeted malware.

Potential Impact

For European organizations, the impact of ELF Linux/NyaDrop is likely minimal given its low severity and lack of known active exploitation. However, if deployed in a targeted attack, it could serve as a foothold for further compromise by delivering additional malicious payloads, potentially affecting confidentiality, integrity, or availability depending on the secondary payloads. Organizations running Linux servers or infrastructure could be at risk if the malware is introduced via compromised software repositories, phishing, or other infection vectors. The low threat level and absence of known exploits reduce the immediate risk, but the presence of such malware highlights the importance of monitoring Linux environments for unusual activity. In sectors with critical Linux infrastructure, such as finance, telecommunications, or government services, even low-severity malware could be leveraged as part of a multi-stage attack chain, potentially leading to data breaches or service disruptions.

Mitigation Recommendations

To mitigate the risk posed by ELF Linux/NyaDrop, European organizations should implement several specific measures beyond generic advice: 1) Employ strict application whitelisting and integrity verification on Linux systems to detect and block unauthorized ELF binaries. 2) Monitor system and network activity for unusual behaviors indicative of dropper malware, including unexpected process launches or network connections. 3) Harden Linux systems by disabling unnecessary services and applying the principle of least privilege to limit malware execution capabilities. 4) Regularly audit software repositories and update mechanisms to prevent supply chain compromises that could introduce malware. 5) Utilize advanced endpoint detection and response (EDR) tools tailored for Linux environments to identify and respond to suspicious activities promptly. 6) Conduct targeted threat hunting exercises focusing on ELF binaries and dropper behaviors to detect latent infections. 7) Educate system administrators about emerging Linux malware threats and encourage timely application of security patches and configuration best practices.

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Technical Details

Threat Level
3
Analysis
2
Original Timestamp
1476475422

Threat ID: 682acdbdbbaf20d303f0b86c

Added to database: 5/19/2025, 6:20:45 AM

Last enriched: 7/2/2025, 6:56:48 PM

Last updated: 8/17/2025, 8:59:31 PM

Views: 9

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