Delayed Execution via Ping
editDelayed Execution via Ping
editIdentifies the execution of commonly abused Windows utilities via a delayed Ping execution. This behavior is often observed during malware installation and is consistent with an attacker attempting to evade detection.
Rule type: eql
Rule indices:
- logs-endpoint.events.process-*
Severity: low
Risk score: 21
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References: None
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Execution
- Tactic: Defense Evasion
- Data Source: Elastic Defend
Version: 3
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editsequence by process.parent.entity_id with maxspan=1m [process where host.os.type == "windows" and event.action == "start" and process.name : "ping.exe" and process.args : "-n" and process.parent.name : "cmd.exe" and not user.id : "S-1-5-18"] [process where host.os.type == "windows" and event.action == "start" and process.parent.name : "cmd.exe" and ( process.name : ( "rundll32.exe", "powershell.exe", "mshta.exe", "msbuild.exe", "certutil.exe", "regsvr32.exe", "powershell.exe", "cscript.exe", "wscript.exe", "wmic.exe", "installutil.exe", "msxsl.exe", "Microsoft.Workflow.Compiler.exe", "ieexec.exe", "iexpress.exe", "RegAsm.exe", "installutil.exe", "RegSvcs.exe", "RegAsm.exe" ) or (process.executable : "?:\\Users\\*\\AppData\\*.exe" and not process.code_signature.trusted == true) ) and not process.args : ("?:\\Program Files\\*", "?:\\Program Files (x86)\\*") and not (process.name : ("openssl.exe", "httpcfg.exe", "certutil.exe") and process.parent.command_line : "*ScreenConnectConfigurator.cmd*") and not (process.pe.original_file_name : "DPInst.exe" and process.command_line : "driver\\DPInst_x64 /f ") and not (process.name : "powershell.exe" and process.args : "Write-Host ======*") and not (process.name : "wscript.exe" and process.args : "launchquiet_args.vbs" and process.parent.args : "?:\\Windows\\TempInst\\7z*") and not (process.name : "regsvr32.exe" and process.args : ("?:\\windows\\syswow64\\msxml?.dll", "msxml?.dll", "?:\\Windows\\SysWOW64\\mschrt20.ocx")) and not (process.name : "wscript.exe" and process.working_directory : ("?:\\Windows\\TempInst\\*", "?:\\Users\\*\\AppData\\Local\\Temp\\BackupBootstrapper\\Logs\\", "?:\\Users\\*\\AppData\\Local\\Temp\\QBTools\\")) ]
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Command and Scripting Interpreter
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/
-
Sub-technique:
- Name: PowerShell
- ID: T1059.001
- Reference URL: https://attack.mitre.org/techniques/T1059/001/
-
Sub-technique:
- Name: Visual Basic
- ID: T1059.005
- Reference URL: https://attack.mitre.org/techniques/T1059/005/
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: System Script Proxy Execution
- ID: T1216
- Reference URL: https://attack.mitre.org/techniques/T1216/
-
Technique:
- Name: System Binary Proxy Execution
- ID: T1218
- Reference URL: https://attack.mitre.org/techniques/T1218/
-
Sub-technique:
- Name: CMSTP
- ID: T1218.003
- Reference URL: https://attack.mitre.org/techniques/T1218/003/
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Sub-technique:
- Name: InstallUtil
- ID: T1218.004
- Reference URL: https://attack.mitre.org/techniques/T1218/004/
-
Sub-technique:
- Name: Mshta
- ID: T1218.005
- Reference URL: https://attack.mitre.org/techniques/T1218/005/
-
Sub-technique:
- Name: Regsvcs/Regasm
- ID: T1218.009
- Reference URL: https://attack.mitre.org/techniques/T1218/009/
-
Sub-technique:
- Name: Regsvr32
- ID: T1218.010
- Reference URL: https://attack.mitre.org/techniques/T1218/010/
-
Sub-technique:
- Name: Rundll32
- ID: T1218.011
- Reference URL: https://attack.mitre.org/techniques/T1218/011/
-
Technique:
- Name: XSL Script Processing
- ID: T1220
- Reference URL: https://attack.mitre.org/techniques/T1220/
-
Technique:
- Name: Virtualization/Sandbox Evasion
- ID: T1497
- Reference URL: https://attack.mitre.org/techniques/T1497/
-
Sub-technique:
- Name: Time Based Evasion
- ID: T1497.003
- Reference URL: https://attack.mitre.org/techniques/T1497/003/