I complete reinstall my system and all. now i use the version 3.3.4 with all security patches, yesterday the hacker hijacked my admin account: "ElTe" and renamed to "TeEl" they spamed in the shoutbox and wrote posts. i dont know how did they do that... but they did not come into the acp. i banned this guys from the shoutbox, so the shoutbox cant be the vuln