Mirror/zeek
1
0
Fork 0
mirror of https://github.com/zeek/zeek.git synced 2025-10-11 11:08:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Chaged http/detect to http/detect-sqli.

Browse source 
- It was only detecting SQL injections anyway, so it seems
  to make sense.
This commit is contained in:
Seth Hall 2011-05-03 15:34:42 -04:00
parent e9089d2016
commit a97cca4e86
1 changed files with 14 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

27
policy/http/detect.bro → policy/http/detect-sqli.bro
View file

@ -1,24 +1,25 @@
## Behavioral and scripted detections in HTTP. ##! SQL injection detection in HTTP.
@load http/base @load http/base
@load notice @load notice
module HTTP; module HTTP;
redef enum Notice::Type += { redef enum Notice::Type += {
HTTP_SQL_Injection_Request, SQL_Injection_Attack,
};
redef enum Tags += {
## Indicator of a URI based SQL injection attack.
URI_SQLI,
## Indicator of client body based SQL injection attack. This is
## typically the body content of a POST request. Not implemented yet!
POST_SQLI,
## Indicator of a cookie based SQL injection attack. Not implemented yet!
COOKIE_SQLI,
}; };
export { export {
redef enum Tags += {
## Indicator of a URI based SQL injection attack.
URI_SQLI,
## Indicator of client body based SQL injection attack. This is
## typically the body content of a POST request.
POST_SQLI,
## Indicator of a cookie based SQL injection attack.
COOKIE_SQLI,
};
## This regular expression is used to match URI based SQL injections ## This regular expression is used to match URI based SQL injections
const match_sql_injection_uri = const match_sql_injection_uri =
/[\?&][^[:blank:]\|]+?=[\-0-9%]+([[:blank:]]|\/\*.*?\*\/)*['"]?([[:blank:]]|\/\*.*?\*\/|\)?;)+([hH][aA][vV][iI][nN][gG]|[uU][nN][iI][oO][nN]|[eE][xX][eE][cC]|[sS][eE][lL][eE][cC][tT]|[dD][eE][lL][eE][tT][eE]|[dD][rR][oO][pP]|[dD][eE][cC][lL][aA][rR][eE]|[cC][rR][eE][aA][tT][eE]|[iI][nN][sS][eE][rR][tT])[^a-zA-Z&]/ /[\?&][^[:blank:]\|]+?=[\-0-9%]+([[:blank:]]|\/\*.*?\*\/)*['"]?([[:blank:]]|\/\*.*?\*\/|\)?;)+([hH][aA][vV][iI][nN][gG]|[uU][nN][iI][oO][nN]|[eE][xX][eE][cC]|[sS][eE][lL][eE][cC][tT]|[dD][eE][lL][eE][tT][eE]|[dD][rR][oO][pP]|[dD][eE][cC][lL][aA][rR][eE]|[cC][rR][eE][aA][tT][eE]|[iI][nN][sS][eE][rR][tT])[^a-zA-Z&]/
@ -29,7 +30,7 @@ export {
} }
event http_request(c: connection, method: string, original_URI: string, event http_request(c: connection, method: string, original_URI: string,
unescaped_URI: string, version: string) &priority=2 unescaped_URI: string, version: string) &priority=3
{ {
if ( match_sql_injection_uri in unescaped_URI ) if ( match_sql_injection_uri in unescaped_URI )
add c$http$tags[URI_SQLI]; add c$http$tags[URI_SQLI];