diff --git a/definitions/patterns_re.txt b/definitions/patterns_re.txt
index 0f86264..40d4f6a 100644
--- a/definitions/patterns_re.txt
+++ b/definitions/patterns_re.txt
@@ -77,4 +77,13 @@ chr\s*\(\s*['"]?\s*((95)|(0[Xx]5[Ff]))\s*['"]?\s*\)
 \/\*[a-z0-9]{5}\*\/
 
 # XOR-ed strings with custom math
-%\(\d+\-\d+\+\d+\)==\(\-\d+\+\d+\+\d+\)
\ No newline at end of file
+%\(\d+\-\d+\+\d+\)==\(\-\d+\+\d+\+\d+\)
+
+# eval code from POST on second nested level
+eval\(\$[a-z0-9_]+\(\$_POST
+
+# characted concated with chr() alteast 3 times
+("[a-z0-9]+"\.chr\(\d+\)\.){3,}
+
+# nested function call used variables
+\$[a-z]+\(\$[a-z0-9]+\(
\ No newline at end of file