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[Rule Tuning] Update Rule Content Changes from Security Docs Team (#1945)

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* updated content to reflect changes from Security Docs team

* Update rules/linux/execution_flock_binary.toml

* Update rules/linux/execution_expect_binary.toml

* TOML linting

* added escape for crdential_access_spn_attribute_modified.toml
This commit is contained in:
Terrance DeJesus
2022-05-06 13:21:12 -04:00
committed by GitHub
parent 8168551c59
commit e9f5585a9f
14 changed files with 88 additions and 85 deletions
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rules/linux/execution_expect_binary.toml
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@@ -1,15 +1,15 @@
[metadata]
creation_date = "2022/03/07"
maturity = "production"
updated_date = "2022/03/31"
updated_date = "2022/04/29"
[rule]
author = ["Elastic"]
description = """
Identifies Linux binary expect abuse to break out from restricted environments by spawning an interactive system shell.
The expect utility allows us to automate control of interactive applications such as telnet,ftp,ssh and others and the
activity of spawning shell is not a standard use of this binary for a user or system administrator and could potentially
indicate malicious actor attempting to improve the capabilities or stability of their access.
Identifies Linux binary expect command abuse to break out from restricted environments by spawning an interactive system
shell. The expect utility allows us to automate control of interactive applications such as Telnet, FTP, SSH and others.
The activity of spawning shell is not a standard use of this binary for a user or system administrator and could
potentially indicate malicious actor attempting to improve the capabilities or stability of their access.
"""
from = "now-9m"
index = ["logs-endpoint.events.*"]