[metadata] creation_date = "2022/08/28" integration = ["endpoint", "windows"] maturity = "production" min_stack_comments = "New fields added: required_fields, related_integrations, setup" min_stack_version = "8.3.0" updated_date = "2023/06/22" [rule] author = ["Elastic"] description = """ Identifies the enable of the full user-mode dumps feature system-wide. This feature allows Windows Error Reporting (WER) to collect data after an application crashes. This setting is a requirement for the LSASS Shtinkering attack, which fakes the communication of a crash on LSASS, generating a dump of the process memory, which gives the attacker access to the credentials present on the system without having to bring malware to the system. This setting is not enabled by default, and applications must create their registry subkeys to hold settings that enable them to collect dumps. """ from = "now-9m" index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"] language = "eql" license = "Elastic License v2" name = "Full User-Mode Dumps Enabled System-Wide" references = [ "https://docs.microsoft.com/en-us/windows/win32/wer/collecting-user-mode-dumps", "https://github.com/deepinstinct/Lsass-Shtinkering", "https://media.defcon.org/DEF%20CON%2030/DEF%20CON%2030%20presentations/Asaf%20Gilboa%20-%20LSASS%20Shtinkering%20Abusing%20Windows%20Error%20Reporting%20to%20Dump%20LSASS.pdf", ] risk_score = 47 rule_id = "220be143-5c67-4fdb-b6ce-dd6826d024fd" severity = "medium" tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Credential Access", "Data Source: Elastic Defend"] timestamp_override = "event.ingested" type = "eql" query = ''' registry where host.os.type == "windows" and registry.path : "HKLM\\SOFTWARE\\Microsoft\\Windows\\Windows Error Reporting\\LocalDumps\\DumpType" and registry.data.strings : ("2", "0x00000002") and not (process.executable : "?:\\Windows\\system32\\svchost.exe" and user.id : ("S-1-5-18", "S-1-5-19", "S-1-5-20")) ''' [[rule.threat]] framework = "MITRE ATT&CK" [[rule.threat.technique]] id = "T1003" name = "OS Credential Dumping" reference = "https://attack.mitre.org/techniques/T1003/" [[rule.threat.technique.subtechnique]] id = "T1003.001" name = "LSASS Memory" reference = "https://attack.mitre.org/techniques/T1003/001/" [rule.threat.tactic] id = "TA0006" name = "Credential Access" reference = "https://attack.mitre.org/tactics/TA0006/" [[rule.threat]] framework = "MITRE ATT&CK" [[rule.threat.technique]] id = "T1112" name = "Modify Registry" reference = "https://attack.mitre.org/techniques/T1112/" [rule.threat.tactic] id = "TA0005" name = "Defense Evasion" reference = "https://attack.mitre.org/tactics/TA0005/"