* save changes to top level for route C; verbose prints
* update top level on forked rule without overriding min_stack_version
* add check to ensure previous version !> current
* [New Rule] Potential Remote Credential Access via Registry
4624 logon followed by hive file creation by regsvc svchost.exe by same user.name and host.id. This matches on secretdsdump and other similar implementations. require to correlation Elastic endpoint file events with System integration logs (4624).
Example of data :
* Delete workspace.xml
* Update credential_access_remote_sam_secretsdump.toml
* Update credential_access_remote_sam_secretsdump.toml
* add non ecs field
* Update non-ecs-schema.json
* Update credential_access_remote_sam_secretsdump.toml
* Update rules/windows/credential_access_remote_sam_secretsdump.toml
Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
* Update rules/windows/credential_access_remote_sam_secretsdump.toml
Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
* Update rules/windows/credential_access_remote_sam_secretsdump.toml
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
* Add new event_data fields (ObjectName, ProcessName)
* Add detection for LSASS Memory Dump Handle Access
* Reference an example of 120089 AccessMask presence
* modify query to increase performance and update the description to remove ("This rule").
* expand path to Elastic Agent ensure syntax consistency
* Optimize rule based on AccessMaskDescription and additional False Positives.
* add AccessMaskDescription keyword and rule tune to make sure AccessMask is used
* filter dllhost.exe and or the condition between AccessMask and AccessMaskDescription
* cleanup
* Order the MITRE metadata by recursively sorting the rule object before writing.
* Refactor order_rule into the rule_formatter module.
* sort test_toml.json according to rule_formatter spec
* rename var to obj since this will traverse all data in the rule
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
* [New Rule] Potential Privileged Escalation via SamAccountName Spoofing
Identifies a suspicious computer account name rename event, this may indicate an attempt to exploit CVE-2021-42278 to elevated privileges from standard domain user to domain admin privileges. CVE-2021-42278 is a security vulnerability that allows potential attackers to impersonate a domain controller using computer account sAMAccountName spoofing.
https://cloudbrothers.info/en/exploit-kerberos-samaccountname-spoofing/https://github.com/cube0x0/noPac
EQL
```
iam where event.action == "renamed-user-account" and
/* machine account name renamed to user like account name */
winlog.event_data.OldTargetUserName : "*$" and not winlog.event_data.NewTargetUserName : "*$"
```
* Create privilege_escalation_samaccountname_spoofing_attack.toml
* Update non-ecs-schema.json
* extra ref
* toml linted
* ref for MS kb5008102
* more ref
* Update rules/windows/privilege_escalation_samaccountname_spoofing_attack.toml
Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
* Update rules/windows/privilege_escalation_samaccountname_spoofing_attack.toml
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
* Update non-ecs-schema.json
Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
* add support for self-signed certs in es and kibana
* allow Kibana to auth against any providerType
* fix export-rules command
* fix kibana upload-rule command
* fix view-rule command
* fix validate-rule command
* fix search-rules command
* fix dev kibana-diff command
* fix dev package-stats command
* fix dev search-rule-prs command
* fix dev deprecate-rule command
* replace toml with pytoml to fix import-rules command
* use no_verify in get_kibana_client
* use Path for rule-file type in view-rule
* update schemas to resolve additionalProperties type bug
* fix missing unique_fields in package rule filter
* fix github pr loader
* Load gh rules as TOMLRule instead of dict
* remove unnecessary version insertion
* create new cli commands
* add kibana object to create_dnstwist_rule
* Adding code for index-dnstwist-results
* Changed es to es_client
* Tested. it works!
* flake8-ed
* Adding timestamps
* use eql.utils.load_dump to load json file
* rename data to dnstwist_data
* start working on create-dnstwist-rule command
* add print statements for user
* tweak formatting for line length
* add template threat match rule file
* continue working on threat match rule creation
* create rule using TomlRuleContents
* save rule to toml file
* Moving rule creation to eswrap.py
* Moving create dnstwist rule stuff to eswrap
* Fixed imports
* flake8 fixes
* More flake8 fixes
* fix usage of @add_client('kibana')
* use ctx.invoke to upload rule
* cleanup record assembly and use bulk api
* swap order of notes in `note` for sample rule
* small modifications
* move command to root click group
* remove unused click group
* Update detection_rules/main.py
Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
* remove rule upload and convert template to ndjson
* Adding docs for typosquatting rule
* renaming the file
* Adding a note
* separate index and rule prep commands
* Final changes
Co-authored-by: Apoorva <appujo@gmail.com>
Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
Co-authored-by: Apoorva Joshi <30438249+ajosh0504@users.noreply.github.com>
* Bump package versions
* Add 7.14 migration; use master schema map if one does not exist
* add test to ensure an entry exists in the stack-schema-map for the current package version
Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com>
* Make cardinality array in schema for threshold rules
* update master, 7.12, 7.13, and 7.14 schemas with cardinality fix
* fix 7.12 downgrade to handle cardinality as an array
* Add two new rules to detect agent spoofing
Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com>
Terrance DeJesus