[Snort-sigs] SQL Injection

Al Lewis (allewi) allewi at cisco.com
Wed Sep 26 09:17:03 EDT 2018


If the IP is changing and that’s the only thing different then it could be a problem with your variable sets being set incorrectly.


Albert Lewis
ENGINEER.SOFTWARE ENGINEERING
Cisco Systems Inc.
Email: allewi at cisco.com<mailto:allewi at cisco.com>


From: Snort-sigs <snort-sigs-bounces at lists.snort.org> on behalf of Jeff Pratt via Snort-sigs <snort-sigs at lists.snort.org>
Reply-To: Jeff Pratt <jpratt at simplepart.com>
Date: Wednesday, September 26, 2018 at 9:08 AM
To: "snort-sigs at lists.snort.org" <snort-sigs at lists.snort.org>
Subject: [Snort-sigs] SQL Injection


I am not seeing SNORT picking up union select SQL injection attempts on my WAN interface even though the rules exist to inspect the packets any one else seen this and how did you resolve it? I added these custom rules to try and catch them but one always gets through so the guy hitting us is using attempting once per ip and moving on to a different ip any thoughts?







alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"SQL union select - possible sql injection attempt - GET parameter"; flow:to_server,established; content:"union"; fast_pattern:only; http_uri; content:"select"; nocase; http_uri; pcre:"/union\s+(all\s+)?select\s+/Ui"; metadata:policy max-detect-ips drop, policy security-ips drop, service http; reference:bugtraq,14876; reference:bugtraq,21227; reference:bugtraq,22582; reference:bugtraq,24067; reference:cve,2005-3004; reference:cve,2006-0065; reference:cve,2006-0154; reference:cve,2006-2835; reference:cve,2006-6268; reference:cve,2007-1021; reference:cve,2007-2824; reference:cve,2011-1667; classtype:misc-attack; sid:13990; rev:25;)



alert tcp $EXTERNAL_NET any -> $SQL_SERVERS 1433 (msg:"SQL Suspicious SQL ansi_padding option"; flow:to_server,established; content:"a|00|n|00|s|00|i|00|_|00|p|00|a|00|d|00|d|00|i|00|n|00|g|00|"; pcre:"/s\x00e\x00t\x00(\s\x00)+a\x00n\x00s\x00i\x00_\x00p\x00a\x00d\x00d\x00i\x00n\x00g\x00(\s\x00)+o\x00f\x00f\x00/smi"; metadata:policy max-detect-ips drop, policy security-ips drop; reference:cve,2008-0106; reference:url,msdn.microsoft.com/en-us/library/ms187403.aspx<http://msdn.microsoft.com/en-us/library/ms187403.aspx>; classtype:policy-violation; sid:16075; rev:7;)



alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"SQL generic sql insert injection attempt - GET parameter"; flow:to_server,established; content:"insert"; fast_pattern:only; http_uri; pcre:"/insert\s+into\s+[^\/\\]+/Ui"; metadata:policy max-detect-ips drop, policy security-ips drop, service http; reference:cve,2012-2998; reference:url,www.securiteam.com/securityreviews/5DP0N1P76E.html<http://www.securiteam.com/securityreviews/5DP0N1P76E.html>; classtype:web-application-attack; sid:13513; rev:19;)



alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"SQL union select - possible sql injection attempt - POST parameter"; flow:to_server,established; content:"union"; fast_pattern:only; http_client_body; content:"select"; nocase; http_client_body; pcre:"/union(%20|\+)+(all(%20|\+)+)?select(%20|\+)/Pi"; metadata:policy max-detect-ips drop, policy security-ips drop, service http; classtype:misc-attack; sid:15874; rev:13;)



alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"SERVER-WEBAPP Joomla Saxum Picker SQL injection attempt"; flow:to_server,established; content:"/index.php"; nocase; http_uri; content:"option=com_saxumpicker"; fast_pattern:only; http_uri; content:"publicid="; nocase; http_uri; pcre:"/[?&]publicid=[^&]*?([\x27\x22\x3b\x23]|\x2f\x2a|\x2d\x2d)/Ui"; metadata:policy balanced-ips drop, policy max-detect-ips drop, policy security-ips drop, service http; reference:cve,2018-7178; classtype:web-application-attack; sid:46338; rev:1;)



alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"SERVER-WEBAPP Joomla Saxum Picker SQL injection attempt"; flow:to_server,established; content:"/index.php"; nocase; http_uri; content:"option=com_saxumpicker"; fast_pattern:only; http_client_body; content:"publicid="; nocase; http_client_body; pcre:"/(^|&)publicid=[^&]*?([\x27\x22\x3b\x23]|\x2f\x2a|\x2d\x2d|%27|%22|%3b|%23|%2f%2a|%2d%2d)/Pim"; metadata:policy balanced-ips drop, policy max-detect-ips drop, policy security-ips drop, service http; reference:cve,2018-7178; classtype:web-application-attack; sid:46337; rev:1;)



alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"SQL char and sysobjects - possible sql injection recon attempt"; flow:to_server,established; content:"CHAR|28|"; nocase; http_uri; content:"CHAR|28|"; distance:0; nocase; http_uri; content:"CHAR|28|"; distance:0; nocase; http_uri; content:"[sysobjects]"; distance:0; nocase; http_uri; metadata:policy max-detect-ips drop, policy security-ips drop, service http; reference:url,isc.sans.org/diary.html?storyid=3823<http://isc.sans.org/diary.html?storyid=3823>; classtype:web-application-attack; sid:15584; rev:8;)



alert tcp $EXTERNAL_NET any -> $SQL_SERVERS 1433 (msg:"SQL Suspicious SQL ansi_padding option"; flow:to_server,established; content:"ansi_padding"; pcre:"/set\s+ansi_padding\s+off/smi"; metadata:policy max-detect-ips drop, policy security-ips drop; reference:cve,2008-0106; reference:url,msdn.microsoft.com/en-us/library/ms187403.aspx<http://msdn.microsoft.com/en-us/library/ms187403.aspx>; classtype:policy-violation; sid:16074; rev:4;)



alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"SQL generic sql exec injection attempt - GET parameter"; flow:to_server,established; content:"exec"; fast_pattern:only; http_uri; pcre:"/exec\s+master/Ui"; metadata:policy max-detect-ips drop, policy security-ips drop, service http; reference:url,www.securiteam.com/securityreviews/5DP0N1P76E.html<http://www.securiteam.com/securityreviews/5DP0N1P76E.html>; classtype:web-application-attack; sid:13512; rev:15;)



alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"SQL generic sql insert injection attempt - POST parameter"; flow:to_server,established; content:"insert "; fast_pattern:only; http_client_body; pcre:"/insert\s+into\s+[^\/\\]+/Pi"; metadata:policy max-detect-ips drop, policy security-ips drop, service http; reference:url,www.securiteam.com/securityreviews/5DP0N1P76E.html<http://www.securiteam.com/securityreviews/5DP0N1P76E.html>; classtype:web-application-attack; sid:15875; rev:12;)



alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"SQL generic sql update injection attempt - GET parameter"; flow:to_server,established; content:"update"; fast_pattern:only; http_uri; pcre:"/update\s+[^\/\\]+set\s+[^\/\\]+/Ui"; metadata:policy max-detect-ips drop, policy security-ips drop, service http; reference:url,www.securiteam.com/securityreviews/5DP0N1P76E.html<http://www.securiteam.com/securityreviews/5DP0N1P76E.html>; classtype:web-application-attack; sid:13514; rev:17;)



alert tcp $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"SQL generic sql exec injection attempt - POST parameter"; flow:to_server,established; content:"exec "; fast_pattern; nocase; http_client_body; content:"master "; nocase; http_client_body; pcre:"/exec\s+master/Pi"; metadata:policy max-detect-ips drop, policy security-ips drop, service http; reference:url,www.securiteam.com/securityreviews/5DP0N1P76E.html<http://www.securiteam.com/securityreviews/5DP0N1P76E.html>; classtype:web-application-attack; sid:15877; rev:9;)



alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"SQL union select - possible sql injection attempt - POST parameter"; flow:to_server,established; content:"union"; fast_pattern:only; http_client_body; content:"select"; http_client_body; content:"union select";nocase; http_client_body; pcre:"/union(%20|\+)+(all(%20|\+)+)?select(%20|\+)/Pi"; metadata:policy max-detect-ips drop, policy security-ips drop, service http; classtype:misc-attack; sid:15874; rev:13;)



alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (msg:"SQL generic convert injection attempt - GET parameter"; flow:to_server,established; content:"convert|28|"; fast_pattern:only; http_uri; metadata:policy max-detect-ips drop, policy security-ips drop, ruleset community, service http; reference:url,www.securiteam.com/securityreviews/5DP0N1P76E.html<http://www.securiteam.com/securityreviews/5DP0N1P76E.html>; classtype:web-application-attack; sid:26925; rev:2;)



JEFF PRATT

Director Of Networking And Security

E.     jpratt at simplepart.com

O.     (404)620-9764 ext.120

C.     (678)572-9679

[SimplePart]<http://simplepart.com/>

simplepart.com<http://simplepart.com/>

84 Walton Street NW, Suite 400 | Atlanta, GA 30303



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