add sqli rule

rule-config/args.rule

@@ -7,7 +7,7 @@ sleep\((\s*)(\d*)(\s*)\)
 group\s+by.+\(
 group\s+by.+\(
 (?:from\W+information_schema\W)
 (?:from\W+information_schema\W)
 (?:(?:current_)user|database|version|schema|connection_id)\s*\(
 (?:(?:current_)user|database|version|schema|connection_id)\s*\(
-\s*or\s+.*=.*
+;{0,1}'{0,1}\){0,1}(\+| )*\b(and|or)\b(\+| )+.*(=|<|>).*
 order\s+by\s+.*--$
 order\s+by\s+.*--$
 benchmark\((.*)\,(.*)\)
 benchmark\((.*)\,(.*)\)
 base64_decode\(
 base64_decode\(

rule-config/post.rule

@@ -4,7 +4,12 @@ sleep\((\s*)(\d*)(\s*)\)
 group\s+by.+\(
 group\s+by.+\(
 (?:from\W+information_schema\W)
 (?:from\W+information_schema\W)
 (?:(?:current_)user|database|version|schema|connection_id)\s*\(
 (?:(?:current_)user|database|version|schema|connection_id)\s*\(
-\s*or\s+.*=.*
+;{0,1}'{0,1}\){0,1}(\+| )*\b(and|or)\b(\+| )+.*(=|<|>).*
+\b(create|drop|backup)\b(\+| )+\bdatabase\b(\+| )+\w*
+b(drop|truncate|create)\b(\+| )+\btable\b(\+| )+\w*
+\bdelete\b(\+| )+\bfrom\b(\+| )+.*
+\binsert\b(\+| )+(\binto\b){0,1}(\+| )+.*\bvalues\b.*
+\bupdate\b(\+| )+.*(\+| )+\bset\b(\+| )+.*=.*
 order\s+by\s+.*--$
 order\s+by\s+.*--$
 benchmark\((.*)\,(.*)\)
 benchmark\((.*)\,(.*)\)
 base64_decode\(
 base64_decode\(