This month, my DShield sensor captured for the first time this request: /systembc/password.php. I checked back for the past 6 months and only have noticed this request this 5 times this month from 4 different sources. According to some references, this is likely the SystemBC Remote Access Trojan (RAT), all 4 IPs are part of the Digital Ocean ASN and only one has been reported as likely malicious. Several samples have been reported to Any.run this month.
Article Link: https://isc.sans.edu/diary/rss/30138