Author: Jemimah Mae Molina   

 

a variant of Linux/Mirai.B trojan (NOD32); Backdoor.Linux.Mirai.b (MICROSOFT)

 PLATFORM:

Unix

 OVER ALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE
Low
Medium
High
Critical

  • Threat Type:
    Backdoor

  • Destructiveness:
    No

  • Encrypted:
    No

  • In the wild:
    Yes

  OVERVIEW

INFECTION CHANNEL: 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 connects to a website to send and receive information.

  TECHNICAL DETAILS

File size: 30,840 bytes
File type: ELF
Memory resident: Yes
INITIAL SAMPLES RECEIVED DATE: 19 March 2020
PAYLOAD: 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 connects to the following websites to send and receive information:

  • {BLOCKED}.{BLOCKED}.30.68:243

Denial of Service (DoS) Attack

This Backdoor is capable of performing various network denial-of-service (DoS) attacks:

    Other Details

    This Backdoor does the following:

    • It uses the following credentials to try to login to other devices:
      • admin01
      • telecom
      • default
      • guest
      • admintelecom
      • 4321
      • root123
      • telnetadmin
      • 88888888
      • ipcam_rt5350
      • t0talc0ntr0l4!
      • ttnet
      • 1001chin
      • ivdev
      • daemon
      • ROOT
      • tslinux
      • zsun1188
      • PlsChgMe1
      • upgrade
      • telco
      • uid=0
      • uid0
      • system
      • telnetroot
      • password
      • rootpass
      • telnetpass
      • telnetpassword
      • shell
      • superuser
      • linuxshell
      • user
      • device
      • 12345678
      • 000000
      • 1234qwer
      • supervisor
      • 111111
      • 1988
      • 22222
      • Administrator
      • administrator
      • smcadmin
      • admin1234
      • admin123
      • abc123
      • mg3500
      • merlin
      • support
      • telnet
      • operator
      • linga
      • zlxx.
      • zlxx
      • wyse
      • vizxv
      • vagrant
      • unitrends1
      • uClinux
      • tini
      • timeserver
      • sun123
      • fidel123
      • klv123
      • klv1234
      • juantech
      • oelinux123
      • p@ck3tf3nc3
      • qwasyx21
      • sipwise
      • sixaola
      • stxadmin
      • TrippLite
      • Zte521
      • ahetzip8
      • alpine
      • anko
      • anni2013
      • cat1029
      • ceadmin
      • defualt
      • dreambox
      • admin
      • 123456
      • Admin
      • 3ep5w2u
      • 7ujMko0admin
      • 7ujMko0vizxv
      • GM8182
      • ROOT500
      • 54321
      • 12345
      • 1111
      • 00000000
      • !root
      • realtek
      • 123vidin123
      • broudguam1
      • warmWLspot
      • Mau'dib
      • LSiuY7pOmZG2s
      • 1234567890
      • nokia
      • letacla
      • linux
      • leostream
      • jvbzd
      • Cisco
      • 888888
      • davox
      • coolphoenix579
      • cms500
      • changeme
      • calvin
      • blender
      • bananapi
      • Serv4EMC
      • GMB182
      • 666666
      • solokey
      • zksoft3
      • xc3511
      • colorkey
      • swsbzkgn
      • zte9x15
      • orion99
      • maxidead
      • hi3518
      • iDirect
      • qweasdzx
      • hunt5759
      • telecomadmin
      • 0123456789
      • root
      • nmgx_wapia
      • i826y3tz
      • gwevrk7f@qwSX
      • hipc3518
      • ipc71a
      • IPCam@sw
      • 1234
      • hslwificam
      • huigu309
      • e10adc39
      • tsgoingon
      • hg2x0
      • grouter
      • 2011vsta
      • antslq
      • 20080826
      • taZz@23495859
      • hichiphx
      • hdipc%No
      • apix
      • vhd1206
      • 059AnkJ
      • xmhdipc
    • It displays the following string once executed in the command line:
      • hello friend :)
    • It connects to the Google's DNS server to obtain the IP address of the infected machine.

      SOLUTION

    Minimum scan engine: 9.850
    First VSAPI Pattern File: 15.760.03
    First VSAPI Pattern Release Date: 23 March 2020
    VSAPI OPR PATTERN-VERSION: 15.761.00
    VSAPI OPR PATTERN DATE: 24 March 2020

    Scan your computer with your Trend Micro product to delete files detected as IoT.Linux.MIRAI.DLEX. 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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