SNMP (MIB Dump) T1602.001
- Tactic
- Collection
- Platform
- Network Devices
- Version
- 1.1
- Created
- 19 October 2020
- Last modified
- 24 October 2025
Adversaries may target the Management Information Base (MIB) to collect and/or mine valuable information in a network managed using Simple Network Management Protocol (SNMP).
Offense vs defense T1602.001
Is defensive coverage keeping up with adversary use? Eight counts, each ranked against all 697 ATT&CK techniques. Attack sits left, defense right, so a shape leaning left means adversaries are better documented here than defenders are equipped. Hover any spoke for its percentile and the share of techniques that have more. The timeline below shows when each side arrived.
SNMP (MIB Dump) detection strategy DET0453
MITRE names one behaviour worth catching for this technique and breaks it into 1 analytic, one per platform. Each carries the log sources it needs and the fields you tune per environment.
Detection Strategy for SNMP (MIB Dump) on Network Devices
AN1249 · Network Devices
Defenders may observe suspicious SNMP MIB enumeration through abnormal queries for large sets of OIDs, repeated SNMP GETBULK/GETNEXT requests, or queries originating from non-administrative IP addresses. Anomalous use of community strings, authentication failures, or enumeration activity outside maintenance windows may also indicate attempts to dump MIB contents. Correlation across syslog, NetFlow, and SNMP audit data can reveal chains of behavior such as repeated authentication failures followed by successful large-scale OID retrieval.
Log sources
The data this analytic draws on. You do not need every component — each one you already collect covers part of it. Each links to its ATT&CK record.
| Data component | Name | Channel |
|---|---|---|
| File ModificationDC0061 | networkdevice:audit | SNMP configuration changes, such as enabling read/write access or modifying community strings |
| Network Connection CreationDC0082 | NSM:Flow | High-volume or repeated SNMP GETBULK/GETNEXT queries from untrusted or external IPs |
| Network Traffic ContentDC0085 | networkdevice:syslog | Authentication failures, unexpected community string usage, or unauthorized SNMPv1/v2 requests |
Tunable fields
MITRE calls these the analytic’s mutable elements: the thresholds and filters you set for your own environment.
| Field | What you tune |
|---|---|
| AuthorizedAdminIPs | Expected IP ranges allowed to query SNMP. Deviation indicates possible misuse. |
| NormalSNMPQueryRate | Baseline frequency and volume of SNMP queries; anomalies above threshold may indicate dumping. |
| CommunityStringPatterns | Expected community strings (e.g., hashed or custom values). Unrecognized strings may signal abuse. |
| TimeWindow | Time periods during which SNMP queries are authorized. Queries outside these hours may be malicious. |
Configure SNMPv3 to use the highest level of security (authPriv) available.
Apply extended ACLs to block unauthorized protocols outside the trusted network.
Configure intrusion prevention devices to detect SNMP queries and commands from unauthorized sources.
Segregate SNMP traffic on a separate management network.
Allowlist MIB objects and implement SNMP views.
Keep system images and software updated and migrate to SNMPv3.