Samirbous
e7695f862f
* [New Rule] Potential Credential Access with LolBas * typo * added procdump and steam lolbins * added cisco Jabber lobas * eql syntax * ecs_version * Update rules/windows/credential_access_lolbas_dump_cmdline.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * Update rules/windows/credential_access_lolbas_dump_cmdline.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * renamed rule and filename as suggested by DanStep * adjust name and desc Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
51 lines
2.0 KiB
TOML
51 lines
2.0 KiB
TOML
[metadata]
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creation_date = "2020/11/24"
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maturity = "production"
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updated_date = "2020/11/24"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies the execution of known Windows utilities often abused to dump LSASS memory or the Active Directory
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database (NTDS.dit) in preparation for credential access.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License"
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name = "Potential Credential Access via Windows Utilities"
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references = ["https://lolbas-project.github.io/"]
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risk_score = 73
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rule_id = "00140285-b827-4aee-aa09-8113f58a08f3"
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severity = "high"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Credential Access"]
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type = "eql"
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query = '''
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process where event.type in ("start", "process_started") and
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/* update here with any new lolbas with dump capability */
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(process.pe.original_file_name == "procdump" and process.args : "-ma") or
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(process.name : "ProcessDump.exe" and not process.parent.executable : "C:\\Program Files*\\Cisco Systems\\*.exe") or
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(process.pe.original_file_name == "WriteMiniDump.exe" and not process.parent.executable : "C:\\Program Files*\\Steam\\*.exe") or
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(process.pe.original_file_name == "RUNDLL32.EXE" and (process.args : "MiniDump*" or process.command_line : "*comsvcs.dll*#24*")) or
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(process.pe.original_file_name == "RdrLeakDiag.exe" and process.args : "/fullmemdmp") or
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(process.pe.original_file_name == "SqlDumper.exe" and process.args : "0x01100*") or
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(process.pe.original_file_name == "TTTracer.exe" and process.args : "-dumpFull" and process.args : "-attach") or
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(process.pe.original_file_name == "ntdsutil.exe" and process.args : "create*full*") or
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(process.pe.original_file_name == "diskshadow.exe" and process.args : "/s")
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1003"
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name = "OS Credential Dumping"
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reference = "https://attack.mitre.org/techniques/T1003/"
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[rule.threat.tactic]
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id = "TA0006"
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name = "Credential Access"
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reference = "https://attack.mitre.org/tactics/TA0006/"
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