Backdoor.Linux.HAKAI.AA
HEUR:Backdoor.Linux.Mirai.ad (Kaspersky), Linux/Mirai.AE!tr (Fortinet), LINUX/Mirai.fdxvw (Avira)
Linux
Threat Type: Backdoor
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It executes commands from a remote malicious user, effectively compromising the affected system.
TECHNICAL DETAILS
Arrival Details
This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Backdoor drops a copy of itself in the following folders using different file names:
- /dev/netslink/
- /tmp/
- /var/
- /dev/
- /var/run/
- /dev/shm/
- /mnt/
- /boot/
- /usr/
- /opt/
Backdoor Routine
This Backdoor executes the following commands from a remote malicious user:
- Download a file
- Execute shell commands
- Performs various DDOS attacks
It connects to the following URL(s) to send and receive commands from a remote malicious user:
- {BLOCKED}.{BLOCKED}.25.168:52
Other Details
This Backdoor does the following:
- It may spread to other devices by taking advantage of the follwoing vulnerabilities:
SOLUTION
Scan your computer with your Trend Micro product to delete files detected as Backdoor.Linux.HAKAI.AA. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
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