Terrance DeJesus
2b22d066fd
* add beats compatability to NPC rules
* added filebeat compatibility to 'Accepted Default Telnet Port Connection'
* added filebeat compatibility to 'Cobalt Strike Command and Control Beacon'
* added filebeat compatibility to 'Default Cobalt Strike Team Server Certificate'
* added filebeat compatibility to 'Roshal Archive (RAR) or PowerShell File Downloaded from the Internet'
* added filebeat compatibility to 'Possible FIN7 DGA Command and Control Behavior'
* added filebeat compatibility to 'Halfbaked Command and Control Beacon'
* added filebeat compatibility to 'IPSEC NAT Traversal Port Activity'
* added filebeat compatibility to 'SMTP on Port 26/TCP'
* added filebeat compatibility to 'RDP (Remote Desktop Protocol) from the Internet'
* added filebeat compatibility to 'VNC (Virtual Network Computing) from the Internet'
* added filebeat compatibility to 'VNC (Virtual Network Computing) to the Internet'
* added filebeat compatibility to 'RPC (Remote Procedure Call) from the Internet'
* added filebeat compatibility to 'RPC (Remote Procedure Call) to the Internet'
* added filebeat compatibility to 'SMB (Windows File Sharing) Activity to the Internet'
* removed extra space in query
* added filebeat compatibility to 'Inbound Connection to an Unsecure Elasticsearch Node'
* added filebeat compatibility to 'Abnormally Large DNS Response'
* fixed missing ending parenthesis
* added auditbeat to compatible rules
* addressed feedback
* removed filebeat and auditbeat due to incompatibility
* Update rules/network/command_and_control_cobalt_strike_beacon.toml
* Update rules/network/command_and_control_accepted_default_telnet_port_connection.toml
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
---------
Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
(cherry picked from commit b8ae2218f8)
71 lines
2.1 KiB
TOML
71 lines
2.1 KiB
TOML
[metadata]
|
|
creation_date = "2020/07/06"
|
|
integration = ["network_traffic"]
|
|
maturity = "production"
|
|
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
|
|
min_stack_version = "8.3.0"
|
|
updated_date = "2023/08/01"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Halfbaked is a malware family used to establish persistence in a contested network. This rule detects a network activity
|
|
algorithm leveraged by Halfbaked implant beacons for command and control.
|
|
"""
|
|
false_positives = [
|
|
"""
|
|
This rule should be tailored to exclude systems, either as sources or destinations, in which this behavior is
|
|
expected.
|
|
""",
|
|
]
|
|
from = "now-9m"
|
|
index = ["packetbeat-*", "auditbeat-*", "filebeat-*", "logs-network_traffic.*"]
|
|
language = "lucene"
|
|
license = "Elastic License v2"
|
|
name = "Halfbaked Command and Control Beacon"
|
|
note = """## Threat intel
|
|
|
|
This activity has been observed in FIN7 campaigns."""
|
|
references = [
|
|
"https://www.fireeye.com/blog/threat-research/2017/04/fin7-phishing-lnk.html",
|
|
"https://attack.mitre.org/software/S0151/",
|
|
]
|
|
risk_score = 73
|
|
rule_id = "2e580225-2a58-48ef-938b-572933be06fe"
|
|
severity = "high"
|
|
tags = ["Use Case: Threat Detection", "Tactic: Command and Control", "Domain: Endpoint"]
|
|
timestamp_override = "event.ingested"
|
|
type = "query"
|
|
|
|
query = '''
|
|
(event.dataset: (network_traffic.tls or network_traffic.http) or
|
|
(event.category: (network or network_traffic) and network.protocol: http)) and
|
|
network.transport:tcp and url.full:/http:\/\/[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}\/cd/ and
|
|
destination.port:(53 or 80 or 8080 or 443)
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1071"
|
|
name = "Application Layer Protocol"
|
|
reference = "https://attack.mitre.org/techniques/T1071/"
|
|
|
|
[[rule.threat.technique]]
|
|
id = "T1568"
|
|
name = "Dynamic Resolution"
|
|
reference = "https://attack.mitre.org/techniques/T1568/"
|
|
[[rule.threat.technique.subtechnique]]
|
|
id = "T1568.002"
|
|
name = "Domain Generation Algorithms"
|
|
reference = "https://attack.mitre.org/techniques/T1568/002/"
|
|
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0011"
|
|
name = "Command and Control"
|
|
reference = "https://attack.mitre.org/tactics/TA0011/"
|
|
|