From c473be13687ebd98c328f390d936be311dae7db6 Mon Sep 17 00:00:00 2001 From: jvoisin Date: Wed, 17 Jan 2018 14:53:40 +0100 Subject: Our configuration files are ending in .rules, not .ini This commit fixes the documentation, our shipped configuration files, and the related tests. Thanks to @remicollet for the tip --- config/default.rules | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 config/default.rules (limited to 'config/default.rules') diff --git a/config/default.rules b/config/default.rules new file mode 100644 index 0000000..88398c1 --- /dev/null +++ b/config/default.rules @@ -0,0 +1,54 @@ +# Harden the `chmod` function +sp.disable_function.function("chmod").param("mode").value_r("^[0-9]{2}[67]$").drop(); +sp.disable_function.function("chmod").param("mode").value_r("o\\+w$").drop(); + +# Prevent various `mail`-related vulnerabilities +sp.disable_function.function("mail").param("additional_parameters").value_r("\\-").drop(); + +##Prevent various `include`-related vulnerabilities +sp.disable_function.function_r("^(?:require|include)_once$").value_r("\\.(?:php|php7|inc|tpl)$").allow(); +sp.disable_function.function_r("^require|include$").value_r("\\.(?:php|php7|inc|tpl)$").allow(); +sp.disable_function.function_r("^(?:require|include)_once$").drop(); +sp.disable_function.function_r("^require|include$").drop(); + +# Prevent `system`-related injections +sp.disable_function.function("system").param("command").value_r("[$|;&`\\n]").drop(); +sp.disable_function.function("shell_exec").param("command").value_r("[$|;&`\\n]").drop(); +sp.disable_function.function("exec").param("command").value_r("[$|;&`\\n]").drop(); +sp.disable_function.function("proc_open").param("command").value_r("[$|;&`\\n]").drop(); + +# Prevent runtime modification of interesting things +sp.disable_function.function("ini_set").param("var_name").value("assert.active").drop(); +sp.disable_function.function("ini_set").param("var_name").value("zend.assertions").drop(); +sp.disable_function.function("ini_set").param("var_name").value("memory_limit").drop(); +sp.disable_function.function("ini_set").param("var_name").value("include_path").drop(); +sp.disable_function.function("ini_set").param("var_name").value("open_basedir").drop(); + +# Detect some backdoors via environnement recon +sp.disable_function.function("ini_get").param("var_name").value_r("(?:allow_url_fopen|open_basedir|suhosin)").drop(); +sp.disable_function.function("function_exists").param("function_name").value_r("(?:eval|exec|system)").drop(); +sp.disable_function.function("is_callable").param("var").value_r("(?:eval|exec|system)").drop(); + +# Ghetto sqli hardening +sp.disable_function.function_r("mysqli?_query").param("query").value_r("/\\*").drop(); +sp.disable_function.function_r("mysqli?_query").param("query").value_r("--").drop(); +sp.disable_function.function_r("mysqli?_query").param("query").value_r("#").drop(); +sp.disable_function.function_r("mysqli?_query").param("query").value_r(";.*;").drop(); +sp.disable_function.function_r("mysqli?_query").param("query").value_r("benchmark").drop(); +sp.disable_function.function_r("mysqli?_query").param("query").value_r("sleep").drop(); +sp.disable_function.function_r("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 +sp.disable_function.function_r("mysqli?_query").ret("FALSE").drop(); +sp.disable_function.function_r("PDO::query").ret("FALSE").drop(); + +#File upload +sp.disable_function.function("move_uploaded_file").param("destination").value_r("\\.ph").drop(); +sp.disable_function.function("move_uploaded_file").param("destination").value_r("\\.ht").drop(); -- cgit v1.3