[New Rule] - Potential Secure File Deletion using SDelete utility (#162)

* [New Rule] - Potential Secure File Deletion using SDelete utility * Update defense_evasion_sdelete_like_filename_rename.toml * Update rules/windows/defense_evasion_sdelete_like_filename_rename.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/windows/defense_evasion_sdelete_like_filename_rename.toml Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com> * Update rules/windows/defense_evasion_sdelete_like_filename_rename.toml Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com> * Update defense_evasion_sdelete_like_filename_rename.toml * Update rules/windows/defense_evasion_sdelete_like_filename_rename.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * linted Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com> Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
2020-09-29 18:46:29 +02:00
parent 206d666e7e
commit 3ec2d92b42
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+[metadata]
+creation_date = "2020/08/18"
+ecs_version = ["1.6.0"]
+maturity = "production"
+updated_date = "2020/08/18"
+
+[rule]
+author = ["Elastic"]
+description = """
+Detects file name patterns generated by the use of Sysinternals SDelete utility to securely delete a file via multiple
+file overwrite and rename operations.
+"""
+from = "now-9m"
+index = ["winlogbeat-*", "logs-endpoint.events.*"]
+language = "lucene"
+license = "Elastic License"
+name = "Potential Secure File Deletion via SDelete Utility"
+note = "Verify process details such as command line and hash to confirm this activity legitimacy."
+risk_score = 21
+rule_id = "5aee924b-6ceb-4633-980e-1bde8cdb40c5"
+severity = "low"
+tags = ["Elastic", "Windows"]
+type = "query"
+
+query = '''
+event.category:file AND event.type:change AND file.name:/.+A+\.AAA/
+'''
+
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+[[rule.threat.technique]]
+id = "T1107"
+name = "File Deletion"
+reference = "https://attack.mitre.org/techniques/T1107/"
+
+
+[rule.threat.tactic]
+id = "TA0005"
+name = "Defense Evasion"
+reference = "https://attack.mitre.org/tactics/TA0005/"
+