08/09/11 11:55:38 I4DppTg30
URLﾘﾝｸ(blog.wired.com)
> Japan and the United States were the two largest attack
> traffic sources, accounting for over 50% of observed traffic in total. Akamai observed attack
> traffic targeted at over 400 unique network ports. Many of the ports that saw the highest
> levels of attack traffic were targeted by worms, viruses, and bots that spread across the
> Internet several years ago. In addition, “SQL injection” Web site hacks continued to spread,
> infecting hundreds of thousands of Web pages
> In the second quarter of 2008, distributed denial of service (DDoS) attack traffic continued
> to target exploits that were identified years ago, suggesting that there is still a significant
> population of insufficiently patched systems connected to the Internet, and that the
> Slammer, Sapphire, and Sasser worms may still be active, particularly in Japan, the United
> States, and China. A number of DNS hijackings were reported during the quarter as well,
> with Comcast, Photobucket, and ICANN all falling victim. In addition, a number of high
> profile Web sites and several large shared hosting providers all experienced outages.
> These problems impacted thousands of Web sites.
原因は Slammer, Sapphire, Sasser 辺りだと。
後ろの方読むと port 445 への攻撃が多いらしい。