diff --git a/splunk/rules_to_add_to_github.md b/splunk/rules_to_add_to_github.md index de73c0d..562f05b 100644 --- a/splunk/rules_to_add_to_github.md +++ b/splunk/rules_to_add_to_github.md @@ -10,7 +10,7 @@ mitre_technique_id="T0000", mitre_subtechnique="", mitre_subtechnique_id="", apt="Volt Typhoon", -mitre_link="https://attack.mitre.org/techniques/T1071/", +mitre_link="", creator="Cpl Iverson", last_tested="2025-04-15", upload_date="2025-04-15", @@ -20,7 +20,7 @@ priority="high" | `process_create_whitelist` | eval indextime = _indextime | convert ctime(indextime) -| table _time indextime event_description hash_sha256 host_fqdn user_name original_file_name process_path process_guid process_parent_path process_id process_parent_id process_command_line process_parent_command_line process_parent_guid mitre_category mitre_technique mitre_technique_id hunting_trigger mitre_subtechnique mitre_subtechnique_id apt mitre_link creator last_tested upload_date last_modify_date mitre_version priority +| table _time indextime id.orig_p id.orig_h id.resp_p id.resp_h mitre_category mitre_technique mitre_technique_id hunting_trigger mitre_subtechnique mitre_subtechnique_id apt mitre_link creator last_tested upload_date last_modify_date mitre_version priority | collect `jarvis_index` ``` @@ -48,7 +48,8 @@ level: medium ICMPDoor ``` -`indextime` sourcetype=zeek* (id.orig_p IN (6000,7000) AND id.resp_p=*) OR (id.resp_p IN (6000,7000) AND id.orig_p=*) +`indextime` sourcetype=zeek* +| where icmp_type=0 OR icmp_type=8 | eval hash_sha256= lower(hash_sha256), hunting_trigger="Detects FRPC communication using designated ports.", mitre_category="Command and Control", @@ -59,7 +60,7 @@ mitre_subtechnique_id="", apt="Volt Typhoon", mitre_link="https://attack.mitre.org/techniques/T1071/", creator="Cpl Iverson", -last_tested="2025-04-15", +last_tested="", upload_date="2025-04-15", last_modify_date="2025-04-15", mitre_version="v16.1", @@ -67,7 +68,7 @@ priority="high" | `process_create_whitelist` | eval indextime = _indextime | convert ctime(indextime) -| table _time indextime event_description hash_sha256 host_fqdn user_name original_file_name process_path process_guid process_parent_path process_id process_parent_id process_command_line process_parent_command_line process_parent_guid mitre_category mitre_technique mitre_technique_id hunting_trigger mitre_subtechnique mitre_subtechnique_id apt mitre_link creator last_tested upload_date last_modify_date mitre_version priority +| table _time indextime event_description src_ip dest_ip icmp_type icmp_code mitre_category mitre_technique mitre_technique_id hunting_trigger mitre_subtechnique mitre_subtechnique_id apt mitre_link creator last_tested upload_date last_modify_date mitre_version priority | collect `jarvis_index` ```