shashank-elastic
c9dd047966
* new:rule:issue-1782 Adding a new Rule for apt binary shell evasion threat * new:rule:issue-1782 Review Comments * Update rules/linux/apt_binary_shell_evasion.toml * new:rule:issue-1782 Adding Mittre Attack Techniques * new:rule:issue-1782 Adding Mittre Attack Techniques * new:rule:issue-1782 Adding Mittre Attack Techniques * new:rule:issue-1782 Adding Mittre Attack Techniques * new:rule:issue-1782 Adding Mittre Attack Techniques * Update rules/linux/privilege_escalation_apt_binary.toml * Update rules/linux/privilege_escalation_apt_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/privilege_escalation_apt_binary.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/linux/privilege_escalation_apt_binary.toml * Update rules/linux/privilege_escalation_apt_binary.toml Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com> * Update rules/linux/privilege_escalation_apt_binary.toml * Update rules/linux/privilege_escalation_apt_binary.toml * Update rules/linux/privilege_escalation_apt_binary.toml * Update rules/linux/privilege_escalation_apt_binary.toml * Update rules/linux/privilege_escalation_apt_binary.toml * new:rule:issue-1782 Review Comments Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com> Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
54 lines
1.7 KiB
TOML
54 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2022/02/24"
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maturity = "production"
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updated_date = "2022/02/24"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies Linux binary apt/apt-get abuse to breakout out of restricted shells or environments by spawning an
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interactive system shell. This activity is not standard use with this binary for a user or system administrator. It indicates a potentially malicious actor attempting to improve the capabilities or stability of their access.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Linux Restricted Shell Breakout via apt/apt-get Changelog Escape"
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references = [
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"https://gtfobins.github.io/gtfobins/apt/",
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"https://gtfobins.github.io/gtfobins/apt-get/"
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]
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risk_score = 47
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rule_id = "8fed8450-847e-43bd-874c-3bbf0cd425f3"
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severity = "medium"
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tags = ["Elastic", "Host", "Linux", "Threat Detection", "Defense Evasion", "GTFOBins"]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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sequence by host.id, process.pid with maxspan=1m
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[process where process.name : ("apt", "apt-get") and process.args : "changelog"]
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[process where process.name : "sensible-pager" and process.args : ("/bin/sh", "/bin/bash") and
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process.parent.name : ("apt", "apt-get")]
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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 = "T1548"
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name = "Abuse Elevation Control Mechanism"
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reference = "https://attack.mitre.org/techniques/T1548/"
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[[rule.threat.technique.subtechnique]]
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id = "T1548.004"
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name = "Elevated Execution with Prompt"
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reference = "https://attack.mitre.org/techniques/T1548/004/"
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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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