Detection rules › Elastic

Privilege Escalation Enumeration via LinPEAS

Source
github.com/elastic/protections-artifacts

Identifies suspicious command line patterns that indicate LinPEAS execution. LinPEAS is a script that searches for possible paths to escalate privileges on Linux/Unix/MacOS hosts.

MITRE ATT&CK coverage

Telemetry coverage

Rule body

[rule]
description = """
Identifies suspicious command line patterns that indicate LinPEAS execution. LinPEAS is a script that searches for
possible paths to escalate privileges on Linux/Unix/MacOS hosts.
"""
id = "92bb2a27-745b-4291-90a1-b7b654df1379"
license = "Elastic License v2"
name = "Privilege Escalation Enumeration via LinPEAS"
os_list = ["linux", "macos"]
reference = ["https://github.com/carlospolop/PEASS-ng/tree/master/linPEAS"]
version = "1.0.31"

query = '''
process where event.action == "exec" and
  process.name == "sed" and process.command_line like "*ImPoSSssSiBlEee*"
'''

min_endpoint_version = "7.15.0"
optional_actions = []
[[actions]]
action = "kill_process"
field = "process.entity_id"
state = 0

[[actions]]
action = "kill_process"
field = "process.parent.entity_id"
state = 0

[[threat]]
framework = "MITRE ATT&CK"
[[threat.technique]]
id = "T1059"
name = "Command and Scripting Interpreter"
reference = "https://attack.mitre.org/techniques/T1059/"
[[threat.technique.subtechnique]]
id = "T1059.004"
name = "Unix Shell"
reference = "https://attack.mitre.org/techniques/T1059/004/"



[threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"

[internal]
min_endpoint_version = "7.15.0"

Stages and Predicates

Stage 1: process

process where event.action == "exec" and
  process.name == "sed" and process.command_line like "*ImPoSSssSiBlEee*"

Indicators

These rows show field, operator, and value matches.