[Rule Tuning] Linux 3rd Party EDR Support - Crowdstrike and S1 - 9 (#4356)

This commit is contained in:
Jonhnathan
2025-01-09 08:29:51 -03:00
committed by GitHub
parent 4142868956
commit 2af2e1f57b
10 changed files with 115 additions and 66 deletions
@@ -1,8 +1,10 @@
[metadata]
creation_date = "2024/06/26"
integration = ["endpoint"]
integration = ["endpoint", "crowdstrike", "sentinel_one_cloud_funnel"]
maturity = "production"
updated_date = "2024/09/23"
min_stack_version = "8.13.0"
min_stack_comments = "Breaking change at 8.13.0 for SentinelOne Integration."
updated_date = "2025/01/08"
[rule]
author = ["Elastic"]
@@ -13,7 +15,7 @@ spawned by the Git process itself. This behavior may indicate an attacker attemp
leveraging the legitimate Git process to execute unauthorized commands.
"""
from = "now-9m"
index = ["logs-endpoint.events.process*"]
index = ["logs-endpoint.events.process*", "logs-crowdstrike.fdr*", "logs-sentinel_one_cloud_funnel.*", "endgame-*"]
language = "eql"
license = "Elastic License v2"
name = "Git Hook Child Process"
@@ -57,24 +59,31 @@ tags = [
"Tactic: Execution",
"Tactic: Defense Evasion",
"Data Source: Elastic Defend",
"Data Source: Crowdstrike",
"Data Source: SentinelOne",
"Data Source: Elastic Endgame",
]
timestamp_override = "event.ingested"
type = "eql"
query = '''
process where host.os.type == "linux" and event.type == "start" and event.action == "exec" and process.parent.name in (
"applypatch-msg", "commit-msg", "fsmonitor-watchman", "post-update", "post-checkout", "post-commit",
"pre-applypatch", "pre-commit", "pre-merge-commit", "prepare-commit-msg", "pre-push", "pre-rebase", "pre-receive",
"push-to-checkout", "update", "post-receive", "pre-auto-gc", "post-rewrite", "sendemail-validate", "p4-pre-submit",
"post-index-change", "post-merge", "post-applypatch"
) and (
process.name in ("nohup", "setsid", "disown", "bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish") or
process.name : ("php*", "perl*", "ruby*", "lua*") or
process.executable : (
"/boot/*", "/dev/shm/*", "/etc/cron.*/*", "/etc/init.d/*", "/etc/update-motd.d/*",
"/run/*", "/srv/*", "/tmp/*", "/var/tmp/*", "/var/log/*"
)
) and not process.name in ("git", "dirname")
process where host.os.type == "linux" and event.type == "start" and
event.action in ("exec", "exec_event", "start", "ProcessRollup2") and
process.parent.name in (
"applypatch-msg", "commit-msg", "fsmonitor-watchman", "post-update", "post-checkout", "post-commit",
"pre-applypatch", "pre-commit", "pre-merge-commit", "prepare-commit-msg", "pre-push", "pre-rebase", "pre-receive",
"push-to-checkout", "update", "post-receive", "pre-auto-gc", "post-rewrite", "sendemail-validate", "p4-pre-submit",
"post-index-change", "post-merge", "post-applypatch"
) and
(
process.name in ("nohup", "setsid", "disown", "bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish") or
process.name : ("php*", "perl*", "ruby*", "lua*") or
process.executable : (
"/boot/*", "/dev/shm/*", "/etc/cron.*/*", "/etc/init.d/*", "/etc/update-motd.d/*",
"/run/*", "/srv/*", "/tmp/*", "/var/tmp/*", "/var/log/*"
)
) and
not process.name in ("git", "dirname")
'''