Proxy Execution via Windows OpenSSH

About

Tags

Domain: EndpointOS: WindowsUse Case: Threat DetectionTactic: Defense EvasionData Source: Elastic EndgameData Source: Elastic DefendData Source: Windows Security Event LogsData Source: Microsoft Defender for EndpointData Source: SysmonData Source: SentinelOneData Source: CrowdstrikeLanguage: eql

Severity

high

Risk Score

73

MITRE ATT&CK™

Defense Evasion (TA0005)(opens in a new tab or window)

↳ Indirect Command Execution (T1202)(opens in a new tab or window)

License

Elastic License v2(opens in a new tab or window)

Definition

Rule Type

Event Correlation Rule

Integration Pack

Prebuilt Security Detection Rules

Index Patterns

endgame-*logs-crowdstrike.fdr*logs-endpoint.events.process-*logs-m365_defender.event-*logs-sentinel_one_cloud_funnel.*logs-system.security*logs-windows.forwarded*logs-windows.sysmon_operational-*winlogbeat-*

Related Integrations

endpoint(opens in a new tab or window)

windows(opens in a new tab or window)

system(opens in a new tab or window)

m365_defender(opens in a new tab or window)

sentinel_one_cloud_funnel(opens in a new tab or window)

crowdstrike(opens in a new tab or window)

Query

process where host.os.type == "windows" and event.type == "start" and process.name : ("ssh.exe", "sftp.exe") and
 process.command_line : ("*Command=*powershell*", "*schtasks*", "*Command=*@echo off*", "*Command=*http*", "*Command=*mshta*",  "*Command=*msiexec*",
                          "*Command=*cmd /c*", "*Command=*cmd.exe*", "*Command=\"cmd /c*", "*LocalCommand=scp*&&*", "*LocalCommand=?scp*&&*", "*Command=*script*")