Netscout researchers have published a profile on Keymous+, a threat actor that uses public available DDoS booter services to launch DDoS attacks

Keymous+ Threat Actor Profile | NETSCOUT
Executive SummaryBetween February and September 2025, NETSCOUT’s ATLAS telemetry confirmed 249 distributed denial-of-service (DDoS) attacks attributed to the threat act
NETSCOUT (www.netscout.com)