Backdoor.Linux.REKOBEE.AB
Backdoor:Linux/Rekobee (MICROSOFT)
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.
TECHNICAL DETAILS
959,000 bytes
ELF
Yes
24 May 2022
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 adds the following processes:
- systemctl enable biosetd
- systemctl daemon-reload
- systemctl start biosetd
Backdoor Routine
This Backdoor connects to the following URL(s) to send and receive commands from a remote malicious user:
- {BLOCKED}.{BLOCKED}.233.87
Other Details
This Backdoor does the following:
- It renames itself to the following, if it is found inexisting:
- /usr/bin/biosetd
- It creates and starts the following service:
- /lib/systemd/system/biosetd.service -> executes "/bin/bash -c /usr/bin/biosetd" upon restart
SOLUTION
9.800
17.584.04
24 May 2022
17.585.00
25 May 2022
Scan your computer with your Trend Micro product to delete files detected as Backdoor.Linux.REKOBEE.AB. 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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