ELF_BASHLITE.DJD
Trojan.Backdoor.Linux.Gafgyt.1 (Arcabit), Gen:Variant.Backdoor.Linux.Gafgyt.1 (BitDefender), ELF/Trojan.TGFJ-7 (Cyren), Trojan.Linux.Fgt (Ikarus)
Linux
Threat Type: Backdoor
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware, Downloaded from the Internet
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 runs certain commands that it receives remotely from a malicious user. Doing this puts the affected computer and information found on the computer at greater risk.
TECHNICAL DETAILS
147,204 bytes
ELF
27 Oct 2016
Connects to URLs/IPs, Collects system information, Downloads files, Executes files
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 command(s) from a remote malicious user:
- PING -> check if the server and bot are alive
- NUP -> convert IP address to string
- SPOOF -> Set an IP or an IP range for spoofing
- KILLSUB -> terminate backdoor if sub version matched
- TABLE -> return the table size
- SCAN -> Disable/enable the telnet scanner
- GETLOCALIP -> get local IP address
- GETPUBLICIP -> get public IP address
- VERSION -> Return backdoor's version
- RANGE -> set range of IP
- SPOOFABLE -> check if IP address can be spoof
- HTTP -> DDos using HTTP packet
- UDP -> DDoS using UDP packet
- TCP -> DDoS using TCP packet
- CNC -> connect to specified CNC server regularly
- STD -> Launch a DDoS attack
- KILLATTK -> Kill the bot processes
- LOLNOGTFO -> terminate bot
It connects to the following URL(s) to send and receive commands from a remote malicious user:
- {BLOCKED}.{BLOCKED}.1.233:666
Other Details
This Backdoor does the following:
- Get CPU Information
- Get System Information
- Get network activity
- Download file and execute
- Execute Shell
SOLUTION
9.850
12.892.04
11 Nov 2016
12.893.00
12 Nov 2017
Scan your computer with your Trend Micro product to delete files detected as ELF_BASHLITE.DJD. 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 this Knowledge Base page for more information.
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