Jonhnathan
54d5b442cf
* [Rule Tuning] Add Initial Microsoft Defender for Endpoint Compatibility to Windows DRs * . * Update integration-schemas.json.gz * Fix integration manifests
105 lines
3.9 KiB
TOML
105 lines
3.9 KiB
TOML
[metadata]
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creation_date = "2024/03/24"
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integration = ["endpoint", "windows", "system", "m365_defender"]
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maturity = "production"
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updated_date = "2024/06/25"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies suspicious processes being spawned by the JetBrain TeamCity process. This activity could be related to
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JetBrains remote code execution vulnerabilities.
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"""
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false_positives = [
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"""
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Powershell and Windows Command Shell are often observed as legit child processes of the Jetbrains TeamCity service
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and may require further tuning.
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""",
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]
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from = "now-9m"
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index = [
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"logs-endpoint.events.process-*",
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"winlogbeat-*",
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"logs-windows.*",
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"endgame-*",
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"logs-system.security*",
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"logs-m365_defender.event-*"
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]
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language = "eql"
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license = "Elastic License v2"
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name = "Suspicious JetBrains TeamCity Child Process"
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references = [
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"https://www.trendmicro.com/en_us/research/24/c/teamcity-vulnerability-exploits-lead-to-jasmin-ransomware.html",
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]
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risk_score = 47
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rule_id = "730ed57d-ae0f-444f-af50-78708b57edd5"
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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: Initial Access",
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"Data Source: Elastic Endgame",
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"Use Case: Vulnerability",
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"Data Source: Elastic Defend",
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"Data Source: Microsoft Defender for Endpoint"
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]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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process where host.os.type == "windows" and event.type == "start" and
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process.parent.executable :
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("?:\\TeamCity\\jre\\bin\\java.exe",
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"?:\\Program Files\\TeamCity\\jre\\bin\\java.exe",
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"?:\\Program Files (x86)\\TeamCity\\jre\\bin\\java.exe",
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"?:\\TeamCity\\BuildAgent\\jre\\bin\\java.exe") and
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process.name : ("cmd.exe", "powershell.exe", "msiexec.exe", "certutil.exe", "bitsadmin.exe", "wmic.exe", "curl.exe", "ssh.exe",
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"rundll32.exe", "regsvr32.exe", "mshta.exe", "certreq.exe", "net.exe", "nltest.exe", "whoami.exe", "hostname.exe",
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"tasklist.exe", "arp.exe", "nbtstat.exe", "netstat.exe", "reg.exe", "tasklist.exe", "Microsoft.Workflow.Compiler.exe",
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"arp.exe", "atbroker.exe", "bginfo.exe", "bitsadmin.exe", "cdb.exe", "cmstp.exe", "control.exe", "cscript.exe", "csi.exe",
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"dnx.exe", "dsget.exe", "dsquery.exe", "forfiles.exe", "fsi.exe", "ftp.exe", "gpresult.exe", "ieexec.exe", "iexpress.exe",
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"installutil.exe", "ipconfig.exe","msxsl.exe", "netsh.exe", "odbcconf.exe", "ping.exe", "pwsh.exe", "qprocess.exe",
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"quser.exe", "qwinsta.exe", "rcsi.exe", "regasm.exe", "regsvcs.exe", "regsvr32.exe", "sc.exe", "schtasks.exe",
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"systeminfo.exe", "tracert.exe", "wmic.exe", "wscript.exe","xwizard.exe", "explorer.exe", "msdt.exe") and
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not (process.name : "powershell.exe" and process.args : "-ExecutionPolicy" and process.args : "?:\\TeamCity\\buildAgent\\work\\*.ps1") and
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not (process.name : "cmd.exe" and process.args : "dir" and process.args : "/-c")
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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 = "T1190"
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name = "Exploit Public-Facing Application"
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reference = "https://attack.mitre.org/techniques/T1190/"
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[rule.threat.tactic]
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id = "TA0001"
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name = "Initial Access"
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reference = "https://attack.mitre.org/tactics/TA0001/"
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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.technique.subtechnique]]
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id = "T1059.003"
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name = "Windows Command Shell"
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reference = "https://attack.mitre.org/techniques/T1059/003/"
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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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