Trojan.Linux.MIRAI.E
Backdoor:Linux/Mirai.AY!xp (MICROSOFT)
Linux
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan 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
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other Details
This Trojan connects to the following possibly malicious URL:
- {BLOCKED}.{BLOCKED}.{BLOCKED}.8:53
- {BLOCKED}.{BLOCKED}.{BLOCKED}.199:1312
- {BLOCKED}.{BLOCKED}.{BLOCKED}.63:7777
It does the following:
- It creates a TCP socket and listens for incoming connections by binding it to the following loopback address:
- {BLOCKED}.{BLOCKED}.{BLOCKED}.1:46237
- It creates and sets the name of its child processes using the following:
- /bin/sh
- It deletes itself after spawning its child processes.
- It checks for the following files related to watchdog to disable its functions if found:
- /bin/watchdog
- /dev/FTWDT101_watchdog
- /dev/FTWDT101/watchdog
- /dev/watchdog0
- /etc/default/watchdog
- /etc/watchdog
- It restarts the system after all the child processes terminates.
SOLUTION
Step 1
Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:
- Troj.ELF.TRX.XXELFC1DFF038
Step 2
Scan your computer with your Trend Micro product to delete files detected as Trojan.Linux.MIRAI.E. 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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