Backdoor.Linux.BASHLITE.SMJC3
HEUR:Backdoor.Linux.Gafgyt.cu ( Kaspersky )
Linux
Threat Type: Backdoor
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware
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
102,445 bytes
ELF
Yes
18 Sep 2019
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.
Backdoor Routine
This Backdoor executes the following commands from a remote malicious user:
- UDP - UDP flood or UDP flood with random strings
- XMAS - TCP flood (flags are set to high)
- VSE - VSE flood or VSE flood with random strings
- TCP - TCP flood with a flag set to high or all flags set to high (XMAS)
- STD - UDP flood with specific strings.
- HEX STOP - stop bot operation
It connects to the following URL(s) to send and receive commands from a remote malicious user:
- 192.{BLOCKED}.{BLOCKED}.154:6535
Other Details
This Backdoor does the following:
- It accesses /proc/net/route to obtain the gateway.
- It connects to the Google's DNS server to obtain the IP address.
SOLUTION
9.850
14.880.05
19 Mar 2019
14.881.00
20 Mar 2019
Scan your computer with your Trend Micro product to delete files detected as Backdoor.Linux.BASHLITE.SMJC3. 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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