timestamp	ip	host	browser	uri
20170918-14:01:24	220.167.231.28	28.231.167.220.broad.xn.qh.dynamic.163data.com.cn	python-requests/2.14.2	/hedwig.cgi
20170918-14:01:24	220.167.231.28	28.231.167.220.broad.xn.qh.dynamic.163data.com.cn	python-requests/2.14.2	/shell?cat%20/etc/passwd