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This query detects Base64-encoded IPv4 addresses in outbound request URLs. It uses pre-computed base64 offsets for IPv4 sequences, eliminating the need for decoding. After identifying a candidate,the query extracts the plaintext IPv4 address pattern.
| Attribute | Value |
|---|---|
| Type | Hunting Query |
| Solution | Network Threat Protection Essentials |
| ID | 39156a1d-c9e3-439e-967b-be7dcba918d9 |
| Tactics | CommandAndControl |
| Techniques | T1071.001 |
| Required Connectors | Zscaler, Fortinet, CheckPoint, PaloAltoNetworks |
| Source | View on GitHub |
This content item queries data from the following tables:
| Table | Transformations | Ingestion API | Lake-Only |
|---|---|---|---|
CommonSecurityLog |
✓ | ✓ | ? |
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