Files
sigma-rules/rules/windows/defense_evasion_potential_processherpaderping.toml
T
Jonhnathan 4233fef238 [Security Content] Include "Data Source: Elastic Defend" tag (#3002)
* win folder

* Other folders

* Update test_all_rules.py

* .

* updated missing elastic defend tags

---------

Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
2023-09-05 14:22:01 -04:00

53 lines
1.7 KiB
TOML

[metadata]
creation_date = "2020/10/27"
integration = ["endpoint", "windows"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/06/22"
[rule]
author = ["Elastic"]
description = """
Identifies process execution followed by a file overwrite of an executable by the same parent process. This may indicate
an evasion attempt to execute malicious code in a stealthy way.
"""
from = "now-9m"
index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*"]
language = "eql"
license = "Elastic License v2"
name = "Potential Process Herpaderping Attempt"
references = ["https://github.com/jxy-s/herpaderping"]
risk_score = 73
rule_id = "ccc55af4-9882-4c67-87b4-449a7ae8079c"
severity = "high"
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Defense Evasion", "Data Source: Elastic Defend"]
type = "eql"
query = '''
sequence with maxspan=5s
[process where host.os.type == "windows" and event.type == "start" and not process.parent.executable :
(
"?:\\Windows\\SoftwareDistribution\\*.exe",
"?:\\Program Files\\Elastic\\Agent\\data\\*.exe",
"?:\\Program Files (x86)\\Trend Micro\\*.exe"
)
] by host.id, process.executable, process.parent.entity_id
[file where host.os.type == "windows" and event.type == "change" and event.action == "overwrite" and file.extension == "exe"] by host.id, file.path, process.entity_id
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1036"
name = "Masquerading"
reference = "https://attack.mitre.org/techniques/T1036/"
[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"