Revert "Back-porting Version Trimming (#3681)"

This reverts commit 71d2c59b5c.
This commit is contained in:
Mika Ayenson
2024-05-22 13:51:46 -05:00
parent 71d2c59b5c
commit 2c3dbfc039
1036 changed files with 11405 additions and 12359 deletions
@@ -2,7 +2,9 @@
creation_date = "2023/07/04"
integration = ["endpoint"]
maturity = "production"
updated_date = "2024/05/21"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/12/13"
[rule]
author = ["Elastic"]
@@ -16,7 +18,7 @@ language = "eql"
license = "Elastic License v2"
name = "Potential Reverse Shell via Java"
references = [
"https://github.com/swisskyrepo/PayloadsAllTheThings/blob/master/Methodology%20and%20Resources/Reverse%20Shell%20Cheatsheet.md",
"https://github.com/swisskyrepo/PayloadsAllTheThings/blob/master/Methodology%20and%20Resources/Reverse%20Shell%20Cheatsheet.md"
]
risk_score = 47
rule_id = "5a3d5447-31c9-409a-aed1-72f9921594fd"
@@ -47,14 +49,13 @@ For more details on Elastic Defend refer to the [helper guide](https://www.elast
"""
severity = "medium"
tags = [
"Domain: Endpoint",
"OS: Linux",
"Use Case: Threat Detection",
"Tactic: Execution",
"Data Source: Elastic Defend",
]
"Domain: Endpoint",
"OS: Linux",
"Use Case: Threat Detection",
"Tactic: Execution",
"Data Source: Elastic Defend"
]
type = "eql"
query = '''
sequence by host.id with maxspan=5s
[network where host.os.type == "linux" and event.action in ("connection_accepted", "connection_attempted") and
@@ -76,34 +77,33 @@ sequence by host.id with maxspan=5s
)] by process.parent.entity_id
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[rule.threat.tactic]
name = "Execution"
id = "TA0002"
reference = "https://attack.mitre.org/tactics/TA0002/"
[[rule.threat.technique]]
id = "T1059"
name = "Command and Scripting Interpreter"
reference = "https://attack.mitre.org/techniques/T1059/"
[[rule.threat.technique.subtechnique]]
id = "T1059.004"
name = "Unix Shell"
reference = "https://attack.mitre.org/techniques/T1059/004/"
[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1071"
name = "Application Layer Protocol"
reference = "https://attack.mitre.org/techniques/T1071/"
[rule.threat.tactic]
id = "TA0011"
name = "Command and Control"
id = "TA0011"
reference = "https://attack.mitre.org/tactics/TA0011/"
[[rule.threat.technique]]
name = "Application Layer Protocol"
id = "T1071"
reference = "https://attack.mitre.org/techniques/T1071/"