delphij's Chaos

选择chaos这个词是因为~~实在很难找到一个更合适的词来形容这儿了……

02 Feb 2004

Statistics of the recent viruses spreading through e-mail

Gibe and its variants are still dominant, and MyDoom is approaching to catch up:

beastie# cat drwebd.log | grep infect | grep MyDoom | wc -l
243
beastie# cat drwebd.log | grep infect | grep Gibe | wc -l
257
beastie# cat drwebd.log | grep infect | grep -v Gibe | grep -v MyDoom | wc -l
0

It’s interesting that there’s no viruses without a name “Gibe” nor “MyDoom”…

More strangely, my e-mail server has rejected ~2000 e-mails because they are not sent to someone I know in the local server:

beastie# cat maillog | grep reject | wc -l
2000

beastie# cat maillog | grep reject | grep unknown | grep local | wc -l
1669

But there’s only 18 e-mails at the time, rejected by other reasons:

beastie# cat maillog | grep reject | grep -v unknown | wc -l
18

And by DSBL

beastie# cat maillog | grep reject | grep unknown | grep -v local | wc -l
326