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2542 Commits

Author SHA1 Message Date
yugoslavskiy bdac415fea Merge pull request #486 from yugoslavskiy/tieto_oscd 
[OSCD] Tieto DNS exfiltration rules
 2019-11-10 19:36:02 +03:00
yugoslavskiy 4fa928866f oscd task #6 done. 
add 25 new rules:

- win_ad_replication_non_machine_account.yml
- win_dpapi_domain_backupkey_extraction.yml
- win_protected_storage_service_access.yml
- win_dpapi_domain_masterkey_backup_attempt.yml
- win_sam_registry_hive_handle_request.yml
- win_sam_registry_hive_dump_via_reg_utility.yml
- win_lsass_access_non_system_account.yml
- win_ad_object_writedac_access.yml
- powershell_alternate_powershell_hosts.yml
- sysmon_remote_powershell_session_network.yml
- win_remote_powershell_session.yml
- win_scm_database_handle_failure.yml
- win_scm_database_privileged_operation.yml
- sysmon_wmi_module_load.yml
- sysmon_remote_powershell_session_process.yml
- sysmon_rdp_registry_modification.yml
- sysmon_powershell_execution_pipe.yml
- sysmon_alternate_powershell_hosts_pipe.yml
- sysmon_powershell_execution_moduleload.yml
- sysmon_createremotethread_loadlibrary.yml
- sysmon_alternate_powershell_hosts_moduleload.yml
- powershell_remote_powershell_session.yml
- win_non_interactive_powershell.yml
- win_syskey_registry_access.yml
- win_wmiprvse_spawning_process.yml

improve 1 rule:

- rules/windows/builtin/win_account_backdoor_dcsync_rights.yml
 2019-11-10 18:43:41 +03:00
yugoslavskiy c0ac9b8fb9 fix conflict 2019-11-10 17:31:33 +03:00
yugoslavskiy 127335a0ec Merge pull request #482 from yugoslavskiy/master 
[OSCD][The ThreatHunter-Playbook] Task 6: DONE
 2019-11-10 17:27:54 +03:00
yugoslavskiy a59d4fdd33 Merge branch 'master' of https://github.com/Neo23x0/sigma into oscd 2019-11-10 14:47:27 +03:00
Florian Roth 8cc16d252a fix: more FP reductions 2019-11-09 23:36:29 +01:00
Florian Roth 038f205f0f fix: FPs with UserInitMprLogonScript rule 2019-11-09 23:32:53 +01:00
Florian Roth fbe138ed90 rule: reduced level of rule to medium due to FPs 2019-11-09 23:24:31 +01:00
Florian Roth 9835950f04 rule: SID to AD object rule level adjusted 2019-11-09 12:49:54 +01:00
Florian Roth be62fad5cc fix: fixed false positive in suspicious shell spawn rule 2019-11-09 10:45:46 +01:00
Thomas Patzke 8ae824f09f Improved rules 
Reduced false positives
 2019-11-08 23:56:14 +01:00
Thomas Patzke 6e2fe09d24 Removed invalid tags 2019-11-08 22:02:12 +01:00
yugoslavskiy 5861664d0f Update win_dsquery_domain_trust_discovery.yml 2019-11-08 02:58:32 +03:00
yugoslavskiy 3624a7d5da Update win_file_permission_modifications.yml 2019-11-08 02:51:42 +03:00
yugoslavskiy 7d3c9e129d Update win_service_stop.yml 2019-11-08 02:40:37 +03:00
yugoslavskiy b176339da8 Merge pull request #479 from alexpetrov12/master 
add rule
 2019-11-08 02:16:22 +03:00
yugoslavskiy 00fc6c62b4 Delete renamed_binary_description.yml 
agreed on improvements. will be added later
 2019-11-08 02:16:01 +03:00
yugoslavskiy 98f32e9098 Delete sysmon_mimikatz_сreds_dump.yml 
merged with rules/windows/sysmon/sysmon_cred_dump_lsass_access.yml
 2019-11-08 02:06:31 +03:00
yugoslavskiy 6d61401b12 Delete sysmon_сreds_dump.yml 
merged with rules/windows/sysmon/sysmon_cred_dump_lsass_access.yml
 2019-11-08 02:06:20 +03:00
yugoslavskiy 6b98c37910 Update and rename sysmon_mimikatz_detection_lsass.yml to sysmon_cred_dump_lsass_access.yml 2019-11-08 02:05:34 +03:00
yugoslavskiy 562e07de38 Delete cobalt_execute_assembly.yml 
merged with existing [sysmon_cobaltstrike_process_injection.yml](https://github.com/Neo23x0/sigma/blob/oscd/rules/windows/sysmon/sysmon_cobaltstrike_process_injection.yml)
 2019-11-08 01:42:42 +03:00
yugoslavskiy 52d099a6e3 improve sysmon_cobaltstrike_process_injection.yml 2019-11-08 01:41:26 +03:00
yugoslavskiy 4443870577 Delete win_odbcconf_execution.yml 
merged with rules/windows/process_creation/win_odbcconf_execution.yml
 2019-11-08 01:36:03 +03:00
yugoslavskiy 3b34ed6150 add modifiers 2019-11-08 01:34:30 +03:00
yugoslavskiy 8164e1e096 Update sysmon_mimikatz_detection_lsass.yml 2019-11-07 04:50:22 +03:00
yugoslavskiy 7affc09c19 Update sysmon_mimikatz_detection_lsass.yml 2019-11-07 04:33:40 +03:00
yugoslavskiy 92e09db9ab Update win_susp_lsass_dump_generic.yml 2019-11-07 04:27:53 +03:00
yugoslavskiy 6083d70975 Update sysmon_registry_persistence_key_linking.yml 2019-11-07 04:23:20 +03:00
yugoslavskiy 82b185db6a Update win_sysmon_driver_unload.yml 2019-11-07 04:11:26 +03:00
yugoslavskiy 404a6d9915 Update win_netsh_packet_capture.yml 2019-11-07 03:37:41 +03:00
yugoslavskiy ddf24819ed Update silenttrinity_stage_use.yml 2019-11-07 03:33:12 +03:00
yugoslavskiy 0d8c64da86 duplicate rule deleted 
this rule already present in Sigma repo — [./rules/windows/process_creation/win_susp_comsvcs_procdump.yml](https://github.com/Neo23x0/sigma/blob/master/rules/windows/process_creation/win_susp_comsvcs_procdump.yml)
 2019-11-07 03:21:09 +03:00
yugoslavskiy 5513687e63 Merge branch 'master' of https://github.com/Neo23x0/sigma into oscd 2019-11-07 03:03:35 +03:00
webhead404 f7a968e3d2 Update and add another selection for regsvr32 
Added cmd.exe to the detection after observing Atomic Red Team test 

https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1117/T1117.md#atomic-test-2---regsvr32-remote-com-scriptlet-execution
 2019-11-06 15:49:53 -06:00
booberry46 cfe7ddbe5b Update av_exploiting.yml 
Not sure if the '' affects.
 2019-11-06 16:16:49 +08:00
Florian Roth c60563e546 rule: add modified rule date 2019-11-05 11:24:52 +01:00
yugoslavskiy 82f23c5f63 Merge pull request #477 from zinint/oscd 
add 13 new rules:

- rules/linux/auditd/lnx_auditd_masquerading_crond.yml 
- rules/linux/auditd/lnx_auditd_user_discovery.yml 
- rules/linux/auditd/lnx_data_compressed.yml 
- rules/linux/auditd/lnx_network_sniffing.yml 
- rules/windows/powershell/powershell_data_compressed.yml 
- rules/windows/powershell/powershell_winlogon_helper_dll.yml 
- rules/windows/process_creation/win_change_default_file_association.yml 
- rules/windows/process_creation/win_data_compressed_with_rar.yml 
- rules/windows/process_creation/win_local_system_owner_account_discovery.yml 
- rules/windows/process_creation/win_network_sniffing.yml 
- rules/windows/process_creation/win_query_registry.yml 
- rules/windows/process_creation/win_service_execution.yml 
- rules/windows/process_creation/win_xsl_script_processing.yml 

modify 1 rule:

- rules/windows/process_creation/win_possible_applocker_bypass.yml
 2019-11-05 04:55:29 +03:00
yugoslavskiy cc7aebe9b6 Update win_service_execution.yml 2019-11-05 04:42:53 +03:00
yugoslavskiy 534f5fc0e1 Update lnx_network_sniffing.yml 2019-11-05 04:40:40 +03:00
yugoslavskiy 70fdd9c7d7 Update lnx_data_compressed.yml 2019-11-05 04:38:27 +03:00
yugoslavskiy ac95d840b4 Update powershell_winlogon_helper_dll.yml 2019-11-05 04:33:07 +03:00
yugoslavskiy 479aafe466 Update win_service_execution.yml 2019-11-05 04:26:19 +03:00
yugoslavskiy 37674b944f Update win_query_registry.yml 2019-11-05 03:04:46 +03:00
yugoslavskiy 9d9de64387 Update win_query_registry.yml 2019-11-05 03:00:33 +03:00
yugoslavskiy 27e63abcc4 Update and rename win_custom_service_execution.yml to win_service_execution.yml 2019-11-05 02:57:15 +03:00
yugoslavskiy 3d5f5e2fe7 Update win_custom_service_execution.yml 2019-11-05 02:56:50 +03:00
yugoslavskiy 66bfbd0af9 Update and rename win_service_execution.yml to win_custom_service_execution.yml 2019-11-05 02:55:41 +03:00
yugoslavskiy c147863eb3 Update powershell_data_compressed.yml 2019-11-05 02:38:36 +03:00
yugoslavskiy b755d4fb68 Update and rename win_system_owner_user_discovery.yml to win_local_system_owner_account_discovery.yml 2019-11-05 02:31:20 +03:00
yugoslavskiy 9831897b6b Update win_xsl_script_processing.yml 2019-11-05 01:32:29 +03:00