1 files changed, 4 insertions, 30 deletions

diff --git a/config/default.rules b/config/default.rules
index 05dd91d..ea65e01 100644
--- a/config/default.rules
+++ b/config/default.rules
@@ -33,8 +33,9 @@ sp.disable_xxe.enable();
 # https://snuffleupagus.readthedocs.io/features.html#protection-against-cross-site-request-forgery
 sp.cookie.name("PHPSESSID").samesite("lax");
 
-# Harden the `chmod` function
-sp.disable_function.function("chmod").param("mode").value_r("^[0-9]{2}[67]$").drop();
+# Harden the `chmod` function (0777 (oct = 511, 0666 = 438)
+sp.disable_function.function("chmod").param("mode").value("438").drop();
+sp.disable_function.function("chmod").param("mode").value("511").drop();
 
 # Prevent various `mail`-related vulnerabilities
 sp.disable_function.function("mail").param("additional_parameters").value_r("\\-").drop();
@@ -96,34 +97,7 @@ sp.disable_function.function("is_callable").param("var").value("shell_exec").dro
 sp.disable_function.function("is_callable").param("var").value("proc_open").drop();
 sp.disable_function.function("is_callable").param("var").value("passthru").drop();
 
-# Commenting sqli related stuff to improve performance.
-# TODO figure out why these functions can't be hooked at startup
-# Ghetto sqli hardening
-# sp.disable_function.function("mysql_query").param("query").value_r("/\\*").drop();
-# sp.disable_function.function("mysql_query").param("query").value_r("--").drop();
-# sp.disable_function.function("mysql_query").param("query").value_r("#").drop();
-# sp.disable_function.function("mysql_query").param("query").value_r(";.*;").drop();
-# sp.disable_function.function("mysql_query").param("query").value_r("benchmark").drop();
-# sp.disable_function.function("mysql_query").param("query").value_r("sleep").drop();
-# sp.disable_function.function("mysql_query").param("query").value_r("information_schema").drop();
-
-# sp.disable_function.function("mysqli_query").param("query").value_r("/\\*").drop();
-# sp.disable_function.function("mysqli_query").param("query").value_r("--").drop();
-# sp.disable_function.function("mysqli_query").param("query").value_r("#").drop();
-# sp.disable_function.function("mysqli_query").param("query").value_r(";.*;").drop();
-# sp.disable_function.function("mysqli_query").param("query").value_r("benchmark").drop();
-# sp.disable_function.function("mysqli_query").param("query").value_r("sleep").drop();
-# sp.disable_function.function("mysqli_query").param("query").value_r("information_schema").drop();
-
-# sp.disable_function.function("PDO::query").param("query").value_r("/\\*").drop();
-# sp.disable_function.function("PDO::query").param("query").value_r("--").drop();
-# sp.disable_function.function("PDO::query").param("query").value_r("#").drop();
-# sp.disable_function.function("PDO::query").param("query").value_r(";.*;").drop();
-# sp.disable_function.function("PDO::query").param("query").value_r("benchmark\\s*\\(").drop();
-# sp.disable_function.function("PDO::query").param("query").value_r("sleep\\s*\\(").drop();
-# sp.disable_function.function("PDO::query").param("query").value_r("information_schema").drop();
-
-# Ghetto sqli detection
+# Ghetto error-based sqli detection
 # sp.disable_function.function("mysql_query").ret("FALSE").drop();
 # sp.disable_function.function("mysqli_query").ret("FALSE").drop();
 # sp.disable_function.function("PDO::query").ret("FALSE").drop();