IOC-to-Query Conversion for SentinelOne in Uncoder AI

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May 27, 2025 · 2 min read
IOC-to-Query Conversion for SentinelOne in Uncoder AI

How It Works

1. IOC Extraction from Threat Report

Uncoder AI automatically parses and categorizes indicators from the incident report (on the left), including:

  • Malicious domains, such as:
    • mail.zhblz.com
    • docs.google.com.spreadsheets.d.l1p6eeakedbmwteh36vana6hu-glaekssht-boujdk.zhblz.com
    • doc.gmail.com.gyehdhhrggdi1323sdnhnsiwvh2uhdqjwdhhfjcjeuejcj.zhblz.com

These domains are linked to phishing documents, spoofed login portals, and data exfiltration endpoints.

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2. SentinelOne-Compatible Query Generation

On the right, Uncoder AI outputs a SentinelOne Event query using the DNS in contains anycase syntax:

DNS in contains anycase (

  "docs.google.com.spreadsheets.d.l1p6eeakedbmwteh36vana6hu-glaekssht-boujdk.zhblz.com",

  "mail.zhblz.com",

  "doc.gmail.com.gyehdhhrggdi1323sdnhnsiwvh2uhdqjwdhhfjcjeuejcj.zhblz.com"

)

  • Operator: contains anycase ensures detection is case-insensitive, handling DNS log variations.
  • Field: DNS targets resolution events, ideal for uncovering domain lookups tied to malware or phishing links.

Use case: Investigate DNS queries initiated by powershell.exe , browser.ps1 , or zapit.exe .

Why It’s Useful

  • Zero formatting effort: Long subdomain chains are auto-formatted for proper matching.
  • Instant IOC deployment: Analysts can run the query directly in SentinelOne to identify infected hosts or beaconing behavior.

High signal-to-noise: Focuses only on attacker-owned infrastructure, minimizing false positives.

Operational Benefits

For SentinelOne users, this feature allows:

  • Faster Threat Hunting
    No need to manually build domain queries — Uncoder AI does it from any threat report.
  • Immediate IOC Enforcement
    Block or alert on DNS queries that match high-confidence APT infrastructure.

SOC Efficiency
Speeds up response time by eliminating guesswork and reducing query writing overhead.

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