alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORT (msg:"[APACHE] Directory traversal attempt - 1"; content: "?C=S;O=A"; classtype: suspicious-traffic; program: apache|httpd; reference: url,wiki.quadrantsec.com/bin/view/Main/5000359; parse_src_ip: 1; sid: 5000359; rev:6;)

-- Main.Sagan-Wiki-Add - 2015-10-21

New revisions of 5000359 will be below...

alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORT (msg:"[APACHE] Directory traversal attempt - 1"; content: "?C=S;O=A"; flowbits: set,recon,86400; classtype: suspicious-traffic; program: apache|httpd; reference: url,wiki.quadrantsec.com/bin/view/Main/5000359; parse_src_ip: 1; sid: 5000359; rev:7;)

-- Main.Sagan-Wiki-Add - 2016-8-30

alert any $EXTERNAL_NET any -> $HOME_NET any (msg:"[APACHE] Directory traversal attempt - 1"; content: "?C=S|3b|O=A"; xbits: set, recon ,track ip_src, expire 86400; default_proto:tcp; default_dst_port: $HTTP_PORT; classtype: suspicious-traffic; program: apache|httpd; reference: url,wiki.quadrantsec.com/bin/view/Main/5000359; parse_src_ip: 1; sid: 5000359; rev:10;)

-- Main.Sagan-Wiki-Add - 2021-4-12