Files
sigma-rules/rules/linux/persistence_shell_activity_by_web_server.toml
T
Ross Wolf 5fcece8416 Populate rules/ directory.
Co-Authored-By: Brent Murphy <56412096+bm11100@users.noreply.github.com>
Co-Authored-By: Craig Chamberlain <randomuserid@users.noreply.github.com>
Co-Authored-By: David French <56409778+threat-punter@users.noreply.github.com>
Co-Authored-By: Derek Ditch <dcode@users.noreply.github.com>
Co-Authored-By: Justin Ibarra <brokensound77@users.noreply.github.com>
2020-06-29 22:57:03 -06:00

45 lines
1.1 KiB
TOML

[metadata]
creation_date = "2020/02/18"
ecs_version = ["1.4.0"]
maturity = "production"
updated_date = "2020/02/18"
[rule]
author = ["Elastic"]
description = "Identifies suspicious commands executed via a web server, which may suggest a vulnerability and remote shell access."
false_positives = [
"""
Network monitoring or management products may have a web server component that runs shell commands as part of normal
behavior.
""",
]
index = ["auditbeat-*"]
language = "kuery"
license = "Elastic License"
name = "Potential Shell via Web Server"
references = ["https://pentestlab.blog/tag/web-shell/"]
risk_score = 47
rule_id = "231876e7-4d1f-4d63-a47c-47dd1acdc1cb"
severity = "medium"
tags = ["Elastic", "Linux"]
type = "query"
query = '''
process.name:(bash or dash) and user.name:(apache or nginx or www or "www-data") and event.action:executed
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1100"
name = "Web Shell"
reference = "https://attack.mitre.org/techniques/T1100/"
[rule.threat.tactic]
id = "TA0003"
name = "Persistence"
reference = "https://attack.mitre.org/tactics/TA0003/"