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sigma-rules/rules_building_block/command_and_control_linux_proxychains_activity.toml
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[metadata]
creation_date = "2023/08/23"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/08/23"
[rule]
author = ["Elastic"]
building_block_type = "default"
description = """
This rule monitors for the execution of the ProxyChains utility. ProxyChains is a command-line tool that enables the
routing of network connections through intermediary proxies, enhancing anonymity and enabling access to restricted
resources. Attackers can exploit the ProxyChains utility to hide their true source IP address, evade detection, and
perform malicious activities through a chain of proxy servers, potentially masking their identity and intentions.
"""
from = "now-119m"
interval = "60m"
index = ["logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "ProxyChains Activity"
references = ["https://blog.bitsadmin.com/living-off-the-foreign-land-windows-as-offensive-platform"]
risk_score = 21
rule_id = "4b868f1f-15ff-4ba3-8c11-d5a7a6356d37"
severity = "low"
tags = ["Domain: Endpoint", "OS: Linux", "Use Case: Threat Detection", "Tactic: Command and Control", "Data Source: Elastic Defend", "Rule Type: BBR"]
timestamp_override = "event.ingested"
type = "eql"
query = '''
process where host.os.type == "linux" and event.action == "exec" and event.type == "start" and process.name == "proxychains"
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1572"
name = "Protocol Tunneling"
reference = "https://attack.mitre.org/techniques/T1572/"
[rule.threat.tactic]
id = "TA0011"
name = "Command and Control"
reference = "https://attack.mitre.org/tactics/TA0011/"