chore: add false positive for zabbix agent binaries (#1526)

Co-authored-by: Evan Gibler <20933572+egibs@users.noreply.github.com>

Author: narharim

rules/false_positives/zabbix.yara

@@ -0,0 +1,14 @@
+rule zabbix_binary: override {
+  meta:
+    description    = "Zabbix monitoring system - agent, server, proxy, get, sender"
+    curl_easy      = "low"
+    proc_s_cmdline = "low"
+    proc_d_cmdline = "low"
+
+  strings:
+    $vendor   = "Zabbix SIA"
+    $homepage = "Zabbix home page: <https://www.zabbix.com>"
+
+  condition:
+    filesize < 10MB and all of them
+}