Mr_Rot13
Mr_Rot13 is a stable hacking group identified through a PHP backdoor and a Downloader domain linked to a C2 infrastructure active since 2020. They utilize the Rot13 algorithm for obfuscation and have demonstrated a low detection rate across security products, indicating advanced operational security. Their activities include exploiting CVE-2026-41940 to deliver malicious payloads and maintaining covert communication via Telegram. The group has shown a particular focus on WordPress as a target, with ongoing operations that suggest a sophisticated threat actor rather than opportunistic attackers.
CVEs in recent coverage
No CVEs named alongside this actor in the last 90 days.
Recent victims
No leak-site posts on record for this group.
Recent activity
No posts or advisories have named this actor recently.
References
From the MISP threat-actor galaxy, MITRE ATT&CK and RansomLook (CC BY 4.0). Activity is any post or advisory Watch Floor collected that names the actor or one of its aliases.