IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Suspicious JetBrains TeamCity Child Process
editSuspicious JetBrains TeamCity Child Process
editIdentifies suspicious processes being spawned by the JetBrain TeamCity process. This activity could be related to JetBrains remote code execution vulnerabilities.
Rule type: eql
Rule indices:
- logs-endpoint.events.process-*
- winlogbeat-*
- logs-windows.*
- endgame-*
- logs-system.security*
- logs-m365_defender.event-*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References:
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Initial Access
- Data Source: Elastic Endgame
- Use Case: Vulnerability
- Data Source: Elastic Defend
- Data Source: Microsoft Defender for Endpoint
Version: 2
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editprocess where host.os.type == "windows" and event.type == "start" and process.parent.executable : ("?:\\TeamCity\\jre\\bin\\java.exe", "?:\\Program Files\\TeamCity\\jre\\bin\\java.exe", "?:\\Program Files (x86)\\TeamCity\\jre\\bin\\java.exe", "?:\\TeamCity\\BuildAgent\\jre\\bin\\java.exe") and process.name : ("cmd.exe", "powershell.exe", "msiexec.exe", "certutil.exe", "bitsadmin.exe", "wmic.exe", "curl.exe", "ssh.exe", "rundll32.exe", "regsvr32.exe", "mshta.exe", "certreq.exe", "net.exe", "nltest.exe", "whoami.exe", "hostname.exe", "tasklist.exe", "arp.exe", "nbtstat.exe", "netstat.exe", "reg.exe", "tasklist.exe", "Microsoft.Workflow.Compiler.exe", "arp.exe", "atbroker.exe", "bginfo.exe", "bitsadmin.exe", "cdb.exe", "cmstp.exe", "control.exe", "cscript.exe", "csi.exe", "dnx.exe", "dsget.exe", "dsquery.exe", "forfiles.exe", "fsi.exe", "ftp.exe", "gpresult.exe", "ieexec.exe", "iexpress.exe", "installutil.exe", "ipconfig.exe","msxsl.exe", "netsh.exe", "odbcconf.exe", "ping.exe", "pwsh.exe", "qprocess.exe", "quser.exe", "qwinsta.exe", "rcsi.exe", "regasm.exe", "regsvcs.exe", "regsvr32.exe", "sc.exe", "schtasks.exe", "systeminfo.exe", "tracert.exe", "wmic.exe", "wscript.exe","xwizard.exe", "explorer.exe", "msdt.exe") and not (process.name : "powershell.exe" and process.args : "-ExecutionPolicy" and process.args : "?:\\TeamCity\\buildAgent\\work\\*.ps1") and not (process.name : "cmd.exe" and process.args : "dir" and process.args : "/-c")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Initial Access
- ID: TA0001
- Reference URL: https://attack.mitre.org/tactics/TA0001/
-
Technique:
- Name: Exploit Public-Facing Application
- ID: T1190
- Reference URL: https://attack.mitre.org/techniques/T1190/
-
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: Windows Command Shell
- ID: T1059.003
- Reference URL: https://attack.mitre.org/techniques/T1059/003/