Backdoor.Linux.BASHLITE.WL
HEUR:Backdoor.Linux.Gafgyt.a (Kaspersky), Trojan:Script/Oneeva.A!ml (Microsoft)
Linux
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Backdoor
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
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 executes commands from a remote malicious user, effectively compromising the affected system.
TECHNICAL DETAILS
128,317 bytes
ELF
Yes
08 Aug 2019
Connects to URLs/IPs
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:
- TELNETSCANNER - SCANS and INFECT devices with weak credentials
- FLOAD - TELNETSCANNER flood
- UPDATE - download updated binary from C&C
- HTTP - HTTP flood
- CLOUDFLATE - HTTP flood with CLOUDFLARE protection bypass
- DOMINATE - HTTP flood with DGA
- CNC - set CNC
- HOLD - STOP current flood
- JUNK - SEND random strings
- UDP - UDP flood
- XMAS - XMAS flood
- TCP - TCP flood
- STD - STD flood
- STOMP - STD, TCP and DOMINATE command
- STOP - STOP bot
It connects to the following URL(s) to send and receive commands from a remote malicious user:
- {BLOCKED}.{BLOCKED}.195.33:42516
Other Details
This Backdoor does the following:
- It is capable of dropping downloader binaries depending on the system architecture.
The dropped binary accesses the following URL to download its payload:- http://{BLOCKED}.{BLOCKED}.195.33/assailant.{architecture}
where {architecture} is any of the following" - Mips
- Mps1
- Sh4
- X86
- Arm6
- I686
- Ppc
- I586
- M68k
- Sparc
- Arm4
- Arm5
- Arm7
- ppc440fp
- http://{BLOCKED}.{BLOCKED}.195.33/assailant.{architecture}
SOLUTION
9.850
15.288.04
09 Aug 2019
15.289.00
10 Aug 2019
Scan your computer with your Trend Micro product to delete files detected as Backdoor.Linux.BASHLITE.WL. 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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