diff --git a/filters/nginx-bots.pcre b/filters/nginx-bots.pcre
index 9006df6..858c5b1 100644
--- a/filters/nginx-bots.pcre
+++ b/filters/nginx-bots.pcre
@@ -7,6 +7,7 @@
 <HOST> .* "(GET|HEAD|POST) (https?://[0-9a-z.-]+)?(:[0-9]*)?/.*/wp-login.php
 <HOST> .* "(GET|HEAD|POST) (https?://[0-9a-z.-]+)?(:[0-9]*)?/+(joomla|cms)/administrator
 # h4x0rs
+<HOST> .* "(GET|HEAD|POST) (https?://[0-9a-z.-]+)?(:[0-9]*)?/(shell|cmd|x)\.(php|cgi)
 <HOST> .* "(GET|HEAD|POST) (https?://[0-9a-z.-]+)?(:[0-9]*)?/w00tw00t
 <HOST> .* "(GET|HEAD|POST) (https?://[0-9a-z.-]+)?(:[0-9]*)?/+Ringing\.at\.your\.dorbell
 <HOST> .* "(GET|HEAD|POST) (https?://[0-9a-z.-]+)?(:[0-9]*)?/.*(wget|curl)(\\x|%)20https?://
diff --git a/filters/postfix.preg b/filters/postfix.preg
index a19e645..5d20631 100644
--- a/filters/postfix.preg
+++ b/filters/postfix.preg
@@ -1,6 +1,7 @@
 NOQUEUE: reject: RCPT from [[:print:]]+\[<HOST>\]: 450 4\.7\.1 Client host rejected
-NOQUEUE: reject: RCPT from [[:print:]]+\[<HOST>\]: 450 4\.7\.1 <[[:print:]]+>: Helo command rejected: Host not found
 NOQUEUE: reject: RCPT from [[:print:]]+\[<HOST>\]: 454 4\.7\.1 Service unavailable; Client host \[[[:print:]]+\] blocked
+NOQUEUE: reject: RCPT from [[:print:]]+\[<HOST>\]: 450 4\.7\.1 <[[:print:]]+>: Helo command rejected: Host not found
+NOQUEUE: reject: RCPT from [[:print:]]+\[<HOST>\]: 454 4\.7\.1 <[[:print:]]+>: Relay access denied
 NOQUEUE: reject: RCPT from [[:print:]]+\[<HOST>\]: 504 5\.5\.2 <[[:print:]]+>: Helo command rejected: need fully-qualified hostname
 NOQUEUE: reject: RCPT from [[:print:]]+\[<HOST>\]: 554 5\.7\.1 <[[:print:]]+>: Relay access denied
 warning: [[:print:]]+\[<HOST>\]: SASL [A-Z0-9-]+ authentication failed