shellbotssh2023

2025-10-26

ShellBot Malware Being Distributed to Linux SSH Servers

Mar 13 2023

AhnLab Security Emergency response Center (ASEC)

https://asec.ahnlab.com/en/49769/

Notes
ShellBot aka PerlBot
Linux malware
SSH
DDoS
IRC
command and control
Perl
– list of credentials as IoCs
scans for port 22
LiGhT’s Modded perlbot v2
– list of IP addresses of IRC servers
– list of channel names
TCP, UDP, HTTP flooding
DDoS PBot v2.0
– installer command one-liners
PowerBots (C) GohacK
– list of bot admin nicknames
reverse shell
– hash and URL IoCs

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