This indicates an attack attempt against a cross-site scripting vulnerability in Adobe Flash Player.
The vulnerability is caused by an error when the vulnerable software handles the "asfunction:" protocol. It allows a remote attacker to inject arbitrary web scripts or HTML via a malicious SWF file using this protocol call.
Adobe Flash Player 8.x up to 220.127.116.11
Adobe Flash Player 9.x up to 18.104.22.168
System Compromise: Remote attackers can inject arbitrary web scripts or HTML.
Upgrade to version 22.214.171.124