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[Bug] Fix test_os_and_platform_in_query test and rules (#3695)

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Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>

(cherry picked from commit ce21acef9c)
This commit is contained in:
Justin Ibarra
2024-05-20 08:43:30 -07:00
committed by github-actions[bot]
parent 0ab70f13a4
commit e7959e88b9
11 changed files with 40 additions and 34 deletions
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rules/linux/execution_shell_via_tcp_cli_utility_linux.toml
+8 -7
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@@ -4,7 +4,7 @@ integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/11/02"
updated_date = "2024/05/17"
[rule]
author = ["Elastic"]
@@ -59,12 +59,13 @@ tags = [
type = "eql"
query = '''
sequence by host.id with maxspan=5s
[network where event.type == "start" and event.action in ("connection_attempted", "connection_accepted") and
process.name : ("bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish", "socat") and destination.ip != null and
not cidrmatch(destination.ip, "127.0.0.0/8", "169.254.0.0/16", "224.0.0.0/4", "::1")] by process.entity_id
[process where event.type == "start" and event.action in ("exec", "fork") and
process.name in ("bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish") and (
(process.args : ("-i", "-l")) or (process.parent.name == "socat" and process.parent.args : "*exec*")
[network where event.type == "start" and host.os.type == "linux" and
event.action in ("connection_attempted", "connection_accepted") and
process.name : ("bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish", "socat") and destination.ip != null and
not cidrmatch(destination.ip, "127.0.0.0/8", "169.254.0.0/16", "224.0.0.0/4", "::1")] by process.entity_id
[process where event.type == "start" and host.os.type == "linux" and event.action in ("exec", "fork") and
process.name in ("bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish") and (
(process.args : ("-i", "-l")) or (process.parent.name == "socat" and process.parent.args : "*exec*")
)] by process.parent.entity_id
'''