ELF_KAITEN.SML
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 joins an Internet Relay Chat (IRC) channel. It executes commands from a remote malicious user, effectively compromising the affected system.
TECHNICAL DETAILS
190,510 bytes
ELF
Yes
26 Oct 2016
Connects to URLs/IPs, Executes commands
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 opens the following ports:
- 2275
It connects to any of the following IRC server(s):
- {BLOCKED}.{BLOCKED}.216.2
It joins any of the following Internet Relay Chat (IRC) channels:
- #whatever
It executes the following commands from a remote malicious user:
- TSUNAMI
- PAN
- UDP
- UNKNOWN
- NICK
- SERVER
- GETSPOOFS
- SPOOFS
- DISABLE
- ENABLE
- KILL
- GET
- VERSION
- KILLALL
- HELP
- IRC
- SH
Other Details
This Backdoor does the following:
- Execute shell commands
- Download and execute files
- Execute DDOS Attacks
- Communicate via IRC channels
It uses the following credentials when accessing its IRC server:
- NICK = {random}
- USER = {random}
- KEY = "bleh"
SOLUTION
9.850
12.864.05
28 Oct 2016
Scan your computer with your Trend Micro product to delete files detected as ELF_KAITEN.SML. 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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