ELF/Mirai.A!tr

Analysis

ELF/Mirai.A!tr is classified as a trojan.
A trojan is a type of malware that performs activites without the user’s knowledge. These activities commonly include establishing remote access connections, capturing keyboard input, collecting system information, downloading/uploading files, dropping other malware into the infected system, performing denial-of-service (DoS) attacks, and running/terminating processes.
The Fortinet Antivirus Analyst Team is constantly updating our descriptions. Please check the FortiGuard Encyclopedia regularly for updates.

Outbreak Alert

FortiGuard Labs has observed various router vulnerabilities being exploited in the wild to distribute malware such as MooBot Malware, Lucifer Malware, BotenaGo Botnet, Zerobot Malware, Enemybot Malware.

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TP-Link Archer AX21 (AX1800) firmware versions before 1.1.4 contains a command injection vulnerability in the web management interface specifically in the "Country" field. There is no sanitization of this field, so an attacker can exploit it for malicious activities and gain foothold. The vulnerability has been seen to be exploited in the wild to deploy Mirai botnet.

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FortiGuard Labs observed a huge spike in attack attempts relating to a command injection vulnerability in SolarView Compact (Solar power generation monitoring system) with upto more than 18,000+ unique IPS detections in the month of July 2023. The exploit works due to the vulnerability in SolarView Compact confi_mail.php component, which fails to adequately sanitize the user-supplied input data, leading to command injection.

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Recommended Action

• Make sure that your FortiGate/FortiClient system is using the latest AV database.
• Quarantine/delete files that are detected and replace infected files with clean backup copies.