This indicates an attempt to play Valve's online games, a series of multi-player first-person shooting games developed by Valve. Players can establish a game server in LAN or join servers on the internet. It does not contain any attack or exploit.
Risk
Medium
Popularity
Medium
Characteristic
Loss of productivity? Have disclosed vulnerability? Can bypass firewall policy? Contain built-in function for other purposes? Can communicate in clear text or via proxy? Can support file transfer? Can be misused? Can tunnel other apps?