Lock Your Doors
I'm overdue for a post, so I figured this was as interesting a thing as any. I checked out my Apache logs a few minutes ago, and noticed this interesting line:
126.96.36.199 - - [26/Jun/2003:21:13:50 -0400] ¬ "CONNECT 188.8.131.52:1337 HTTP/1.0" 302 272 "-" "-"
Starting nmap V. 3.00 ( www.insecure.org/nmap/ ) Interesting ports on mars.ritlogic.com (184.108.40.206): (The 1583 ports scanned but not shown below are in state: closed) Port State Service 21/tcp open ftp 25/tcp open smtp 80/tcp open http 135/tcp open loc-srv 139/tcp filtered netbios-ssn 443/tcp open https 445/tcp open microsoft-ds 1025/tcp open NFS-or-IIS 1026/tcp open LSA-or-nterm 1433/tcp open ms-sql-s 1434/tcp filtered ms-sql-m 3372/tcp open msdtc 5800/tcp open vnc-http 5900/tcp open vnc 12345/tcp filtered NetBus 12346/tcp filtered NetBus 27374/tcp filtered subseven 31337/tcp filtered Elite Nmap run completed -- 1 IP address (1 host up) scanned in 10 seconds
Futher investigation in my logs showed 68 CONNECT attempts from 23 different hosts. Here's portscans for 14 of them. As expected, most are running Back Orifice and SubSeven. One is even running pcAnywhere, and VNC shows up more than once.
I might play around with Apache's settings and extensions and see if I can capture the CONNECT data. Might be interesting to see exactly what is coming throught the pipeline. In any case, let this be a lesson to my fellow webmasters: batton down the hatches, the 'net isn't a friendly place.
(Oh, and don't be surprised if my blog page looks like hell in the near future. It needs a style update to fit with the main site, but mostly I need to see a lot less green.)