Exclude for zgrep instead of just grep

Co-authored-by: dav3r <david.redmin@gwe.cisa.dhs.gov>

extras/ioc_scan_by_host.sh

@@ -59,7 +59,7 @@ for instance_id in "${instances[@]}"; do
   # command (e.g. sudo.log).
   aws ssm start-session --target="$instance_id" \
     --document=AWS-StartInteractiveCommand \
-    --parameters="command='hostname; for i in ${iocList[*]}; do sudo find /var/log -type f -not -name \*\.journal -exec zgrep --ignore-case \$i {} \; | grep --invert-match -- grep\ --ignore-case | echo \$(wc --lines) found for \$i; done'"
+    --parameters="command='hostname; for i in ${iocList[*]}; do sudo find /var/log -type f -not -name \*\.journal -exec zgrep --ignore-case \$i {} \; | grep --invert-match -- zgrep\ --ignore-case | echo \$(wc --lines) found for \$i; done'"
 
   echo Search of "$instance_id" is complete.
 done