diff --color -Nur rkhunter-1.4.6.orig/files/rkhunter rkhunter-1.4.6/files/rkhunter
--- rkhunter-1.4.6.orig/files/rkhunter	2023-04-29 09:32:39.288709203 -0700
+++ rkhunter-1.4.6/files/rkhunter	2023-04-29 10:00:29.396271053 -0700
@@ -70,7 +70,7 @@
 # we exec to log everything to the debug file.
 #
 
-if [ -n "`echo \"$*\" | grep '\-\-debug'`" ]; then
+if [ -n "`echo \"$*\" | grep '\--debug'`" ]; then
 	RKHDEBUGFILE=""
 	RKHDEBUGBASE="/tmp/rkhunter-debug"
 
@@ -181,9 +181,11 @@
 # used. If it is, then some typical grep tests will fail.
 #
 
-if [ "`echo \"rkh-grep-test\" | grep '^\+'`" = "rkh-grep-test" ]; then
+# fedora always uses POSIX grep and set an alias here for depreciated egrep too
+#if [ "`echo \"rkh-grep-test\" | grep '^\+'`" = "rkh-grep-test" ]; then
 	alias grep='grep -E'
-fi
+	alias egrep='grep -E'
+#fi
 
 
 #
@@ -9585,7 +9587,7 @@
 		    rpc.nfsd:tcp.log:Sniffer installed
 		    sshd:/dev/ptyxx:OpenBSD Rootkit
 		    sshd:/.config:SHV4 Rootkit
-		    sshd:+\\$.*\\$\!.*\!\!\\$:Backdoored SSH daemon installed
+		    sshd:+\\$.*\\$!.*!!\\$:Backdoored SSH daemon installed
 		    sshd:backdoor.h:Trojaned SSH daemon
 		    sshd:backdoor_active:Trojaned SSH daemon
 		    sshd:magic_pass_active:Trojaned SSH daemon