Samirbous
69b2f9f645
* [New Rule] Code Injection - Suspicious Conhost Child Process * Update rules/windows/defense_evasion_code_injection_conhost.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/windows/defense_evasion_code_injection_conhost.toml Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com> * Update rules/windows/defense_evasion_code_injection_conhost.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com> Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
44 lines
1.1 KiB
TOML
44 lines
1.1 KiB
TOML
[metadata]
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creation_date = "2020/08/31"
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ecs_version = ["1.6.0"]
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maturity = "production"
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updated_date = "2020/08/31"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies a suspicious Conhost child process which may be an indication of code injection activity.
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"""
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index = ["winlogbeat-*", "logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License"
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name = "Suspicious Process from Conhost"
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references = [
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"https://modexp.wordpress.com/2018/09/12/process-injection-user-data/",
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"https://github.com/sbousseaden/EVTX-ATTACK-SAMPLES/blob/master/Defense%20Evasion/evasion_codeinj_odzhan_conhost_sysmon_10_1.evtx",
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]
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risk_score = 73
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rule_id = "28896382-7d4f-4d50-9b72-67091901fd26"
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severity = "high"
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tags = ["Elastic", "Windows"]
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type = "query"
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query = '''
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event.category:process and event.type:(start or process_started) and
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process.parent.name:conhost.exe
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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 = "T1093"
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name = "Process Injection"
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reference = "https://attack.mitre.org/techniques/T1055/"
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[rule.threat.tactic]
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id = "TA0005"
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name = "Defense Evasion"
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reference = "https://attack.mitre.org/tactics/TA0005/"
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