IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Suspicious Network Tool Launched Inside A Containeredit
This rule detects commonly abused network utilities running inside a container. Network utilities like nc, nmap, dig, tcpdump, ngrep, telnet, mitmproxy, zmap can be used for malicious purposes such as network reconnaissance, monitoring, or exploitation, and should be monitored closely within a container.
Rule type: eql
Rule indices:
- logs-cloud_defend*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-6m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Data Source: Elastic Defend for Containers
- Domain: Container
- OS: Linux
- Use Case: Threat Detection
- Tactic: Discovery
- Tactic: Command and Control
- Tactic: Reconnaissance
Version: 2
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule queryedit
process where container.id: "*" and event.type== "start" and
(
(process.name: ("nc", "ncat", "nmap", "dig", "nslookup", "tcpdump", "tshark", "ngrep", "telnet", "mitmproxy", "socat", "zmap", "masscan", "zgrab")) or
/*account for tools that execute utilities as a subprocess, in this case the target utility name will appear as a process arg*/
(process.args: ("nc", "ncat", "nmap", "dig", "nslookup", "tcpdump", "tshark", "ngrep", "telnet", "mitmproxy", "socat", "zmap", "masscan", "zgrab"))
)
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
-
Technique:
- Name: Network Service Discovery
- ID: T1046
- Reference URL: https://attack.mitre.org/techniques/T1046/
-
Tactic:
- Name: Command and Control
- ID: TA0011
- Reference URL: https://attack.mitre.org/tactics/TA0011/
-
Technique:
- Name: Ingress Tool Transfer
- ID: T1105
- Reference URL: https://attack.mitre.org/techniques/T1105/
-
Tactic:
- Name: Reconnaissance
- ID: TA0043
- Reference URL: https://attack.mitre.org/tactics/TA0043/
-
Technique:
- Name: Active Scanning
- ID: T1595
- Reference URL: https://attack.mitre.org/techniques/T1595/