shashank-elastic
100 lines
2.6 KiB
TOML
100 lines
2.6 KiB
TOML
[metadata]
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creation_date = "2024/03/14"
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integration = ["windows"]
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maturity = "production"
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updated_date = "2024/05/21"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies PowerShell scripts that can access and decrypt Veeam credentials stored in MSSQL databases. Attackers can use
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Veeam Credentials to target backups as part of destructive operations such as Ransomware attacks.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-windows.powershell*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "PowerShell Script with Veeam Credential Access Capabilities"
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references = [
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"https://forums.veeam.com/veeam-backup-replication-f2/recover-esxi-password-in-veeam-t34630.html",
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"https://www.crowdstrike.com/blog/anatomy-of-alpha-spider-ransomware/",
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]
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risk_score = 47
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rule_id = "5c602cba-ae00-4488-845d-24de2b6d8055"
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setup = """## Setup
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The 'PowerShell Script Block Logging' logging policy must be enabled.
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Steps to implement the logging policy with Advanced Audit Configuration:
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```
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Computer Configuration >
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Administrative Templates >
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Windows PowerShell >
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Turn on PowerShell Script Block Logging (Enable)
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```
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Steps to implement the logging policy via registry:
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```
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reg add "hklm\\SOFTWARE\\Policies\\Microsoft\\Windows\\PowerShell\\ScriptBlockLogging" /v EnableScriptBlockLogging /t REG_DWORD /d 1
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```
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"""
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severity = "medium"
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tags = [
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"Domain: Endpoint",
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"OS: Windows",
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"Use Case: Threat Detection",
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"Tactic: Credential Access",
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"Data Source: PowerShell Logs",
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]
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timestamp_override = "event.ingested"
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type = "query"
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query = '''
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event.category:process and host.os.type:windows and
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powershell.file.script_block_text : (
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(
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"[dbo].[Credentials]" and
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("Veeam" or "VeeamBackup")
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) or
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"ProtectedStorage]::GetLocalString"
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)
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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.technique]]
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id = "T1555"
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name = "Credentials from Password Stores"
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reference = "https://attack.mitre.org/techniques/T1555/"
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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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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1059"
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name = "Command and Scripting Interpreter"
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reference = "https://attack.mitre.org/techniques/T1059/"
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[[rule.threat.technique.subtechnique]]
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id = "T1059.001"
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name = "PowerShell"
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reference = "https://attack.mitre.org/techniques/T1059/001/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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