[New Rule] Microsoft IIS Service Account Password Dumped (#167)

* [New Rule] Microsoft IIS Service Account Password Dumped

* Update rules/windows/credential_access_iis_apppoolsa_pwd_appcmd.toml

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

* Update rules/windows/credential_access_iis_apppoolsa_pwd_appcmd.toml

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

* Update rules/windows/credential_access_iis_apppoolsa_pwd_appcmd.toml

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

* Update rules/windows/credential_access_iis_apppoolsa_pwd_appcmd.toml

Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>

* Update rules/windows/credential_access_iis_apppoolsa_pwd_appcmd.toml

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

* Update rules/windows/credential_access_iis_apppoolsa_pwd_appcmd.toml

Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>

* Linted

Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
This commit is contained in:
Samirbous
2020-09-22 13:58:57 +02:00
committed by GitHub
parent ff097719af
commit 2ce8c2833f
@@ -0,0 +1,44 @@
[metadata]
creation_date = "2020/08/18"
ecs_version = ["1.6.0"]
maturity = "production"
updated_date = "2020/08/18"
[rule]
author = ["Elastic"]
description = """
Identifies the Internet Information Services (IIS) command-line tool, AppCmd, being used to list passwords. An attacker
with IIS web server access via a web shell can decrypt and dump the IIS AppPool service account password using AppCmd.
"""
index = ["winlogbeat-*", "logs-endpoint.events.*"]
language = "lucene"
license = "Elastic License"
max_signals = 33
name = "Microsoft IIS Service Account Password Dumped"
references = ["https://blog.netspi.com/decrypting-iis-passwords-to-break-out-of-the-dmz-part-1/"]
risk_score = 73
rule_id = "0564fb9d-90b9-4234-a411-82a546dc1343"
severity = "high"
tags = ["Elastic", "Windows"]
type = "query"
query = '''
event.category:process AND event.type:(start OR process_started) AND
(process.name:appcmd.exe OR process.pe.original_file_name:appcmd.exe) AND
process.args:(/[lL][iI][sS][tT]/ AND /\/[tT][eE][xX][tT]\:[pP][aA][sS][sS][wW][oO][rR][dD]/)
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1003"
name = "Credential Dumping"
reference = "https://attack.mitre.org/techniques/T1003/"
[rule.threat.tactic]
id = "TA0006"
name = "Credential Access"
reference = "https://attack.mitre.org/tactics/TA0006/"