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SOLVED CHALLENGES & FIELD ANALYSIS

SECURITY RESEARCH KNOWLEDGE TECHNIQUES
B3S/WRITEUPS/SATELLITE-SAR-ANALYSIS-ADVANCED-CLOUD
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EVENT: Cyberweek Africa Qualifiers 2026CATEGORY: CloudPOINTS: 500 PTS

Satellite Sar Analysis

AUTHORED BY:@bealthguy10/5/2026

Satellite Sar Analysis

Category: CLOUD · Difficulty: Advanced · Points: 500 · Challenge: 537

Background

A suspected dark fleet vessel rendezvous was captured off the East African coast via Synthetic Aperture Radar (SAR). Analyze radar reflectivity anomalies within the raw telemetry dataset to track the rendezvous coordinates.

Analysis

The published dataset is 184 bytes of structured telemetry. It carries no live credentials and describes an environment rather than granting access to one, so none of the interactive steps named in the brief could be performed. The value appears as a literal field in the dataset:

$ python3 -m json.tool radar_capture-095.json
  ...,   "anomalies": [     {       "target": "Unknown Vessel",       "raw_coords": "FLAG{cwa2026_c756b4aac778393d}

The recovered value was accepted for this challenge.

Result

FLAG{cwa2026_c756b4aac778393d}