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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

(cherry picked from commit e9f5585a9f)
This commit is contained in:
Terrance DeJesus
2022-05-06 13:21:12 -04:00
committed by github-actions[bot]
parent 4b92b42b45
commit 5769a21867
14 changed files with 88 additions and 85 deletions
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rules/linux/execution_flock_binary.toml
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@@ -1,14 +1,14 @@
[metadata]
creation_date = "2022/03/22"
maturity = "production"
updated_date = "2022/03/22"
updated_date = "2022/04/29"
[rule]
author = ["Elastic"]
description = """
Identifies Linux binary flock abuse to break out from restricted environments by spawning an interactive system
shell.The flock utility allows us to manage advisory file locks in shell scripts or on the command line and the activity
of spawing a shell is not a standard use of this binary by a user or system administrator. It indicates a potentially
Identifies Linux binary flock abuse to break out from restricted environments by spawning an interactive system shell.
The flock utility allows users to manage advisory file locks in shell scripts or on the command line. The activity of
spawning a shell is not a standard use of this binary by a user or system administrator. It indicates a potentially
malicious actor attempting to improve the capabilities or stability of their access.
"""
from = "now-9m"