this mornings Security Advisory: MTIS10-233 includes this warning.
Low Orbit Ion Cannon (Tool) MTIS10-233-A
MAIN THREAT VECTORS
USER INTERACTION REQUIRED
The Low Orbit Ion Cannon is an HTTP-based attack tool used to carry out distributed denial-of-service attacks. Created as a network stress-testing tool, LOIC has been used in several high-profile attacks against commercial and organized sites/entities.
Medium. This tool is being used in conjunction with the ‘Operation Payback’ attacks.
MCAFEE PRODUCT COVERAGE
Partial coverage (via file reputation) is available on systems with Global Threat Intelligence (formerly known as Artemis) enabled.
VIRUS SCAN ENTERPRISE SCAN BOP
NETWORK SECURITY PLATFORM
The UDS Release of December 9 (UDS-IRC: Possible Operation Payback IRC Activities Detected) provides coverage for the network traffic generated by this tool when communicating with specific IRC servers.
NETWORK ACCESS CONTROL
Coverage is provided via native DDoS detection/protection features.