« Unusual Child Processes of RunDLL32 Suspicious Process Creation CallTrace »
Elastic Docs ›Elastic Security Solution [8.16] ›Downloadable rule update v8.3.1

Suspicious Managed Code Hosting Process

edit

Suspicious Managed Code Hosting Process

edit

Identifies a suspicious managed code hosting process which could indicate code injection or other form of suspicious code execution.

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
  • Defense Evasion

Version: 100

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule query

edit
sequence by process.entity_id with maxspan=5m
 [process where event.type == "start" and
  process.name : ("wscript.exe", "cscript.exe", "mshta.exe", "wmic.exe", "regsvr32.exe", "svchost.exe", "dllhost.exe", "cmstp.exe")]
 [file where event.type != "deletion" and
  file.name : ("wscript.exe.log",
               "cscript.exe",
               "mshta.exe.log",
               "wmic.exe.log",
               "svchost.exe.log",
               "dllhost.exe.log",
               "cmstp.exe.log",
               "regsvr32.exe.log")]

Framework: MITRE ATT&CKTM

« Unusual Child Processes of RunDLL32 Suspicious Process Creation CallTrace »