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Potential Credential Access via Windows Utilities
editPotential Credential Access via Windows Utilities
editIdentifies the execution of known Windows utilities often abused to dump LSASS memory or the Active Directory database (NTDS.dit) in preparation for credential access.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: high
Risk score: 73
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Credential Access
Version: 5
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editprocess where event.type in ("start", "process_started") and
/* update here with any new lolbas with dump capability */
(process.pe.original_file_name == "procdump" and process.args : "-ma") or
(process.name : "ProcessDump.exe" and not process.parent.executable regex~ """C:\\Program Files( \(x86\))?\\Cisco Systems\\.*""") or
(process.pe.original_file_name == "WriteMiniDump.exe" and not process.parent.executable regex~ """C:\\Program Files( \(x86\))?\\Steam\\.*""") or
(process.pe.original_file_name == "RUNDLL32.EXE" and (process.args : "MiniDump*" or process.command_line : "*comsvcs.dll*#24*")) or
(process.pe.original_file_name == "RdrLeakDiag.exe" and process.args : "/fullmemdmp") or
(process.pe.original_file_name == "SqlDumper.exe" and process.args : "0x01100*") or
(process.pe.original_file_name == "TTTracer.exe" and process.args : "-dumpFull" and process.args : "-attach") or
(process.pe.original_file_name == "ntdsutil.exe" and process.args : "create*full*") or
(process.pe.original_file_name == "diskshadow.exe" and process.args : "/s")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
-
Technique:
- Name: OS Credential Dumping
- ID: T1003
- Reference URL: https://attack.mitre.org/techniques/T1003/
-
Sub-technique:
- Name: LSASS Memory
- ID: T1003.001
- Reference URL: https://attack.mitre.org/techniques/T1003/001/
-
Sub-technique:
- Name: NTDS
- ID: T1003.003
- Reference URL: https://attack.mitre.org/techniques/T1003/003/