Pengembangan Mobile-IMSI Catcher Berbasis OsmocomBB dan Pesawat Tanpa Awal
DOI:
https://doi.org/10.54706/senastindo.v7.2025.406Kata Kunci:
IMSI Catcher, subscriber identity, OsmocomBB, UAV, signal intelligenceAbstrak
Penelitian ini bertujuan untuk mengembangkan sistem Mobile-IMSI Catcher yang portabel dan tersembunyi dengan mengintegrasikan perangkat lunak sumber terbuka OsmocomBB dan platform udara Unmanned Aerial Vehicle (UAV). Sistem ini dirancang untuk mendeteksi dan memetakan subscriber identity dari perangkat seluler yang aktif di jaringan GSM, baik dari operator domestik maupun asing, termasuk perangkat yang berada dalam kondisi roaming. Pendekatan yang digunakan dalam penelitian ini menggabungkan konsep Signal Intelligence (SigInt) dan metode Network Penetration Testing berdasarkan kerangka kerja NIST SP 800-42. Tahapan implementasi mencakup pencarian kanal frekuensi Absolute Radio Frequency Channel Number (ARFCN), pemindaian IMSI, serta pengumpulan dan analisis parameter jaringan seperti MCC, MNC, LAC, dan CI. Pengujian dilakukan di wilayah Yogyakarta dengan UAV yang telah dilengkapi sistem OsmocomBB dan modul SDR. Hasilnya menunjukkan bahwa sistem mampu menangkap berbagai subscriber identity, memetakan lokasi perangkat berdasarkan parameter jaringan, dan melacak perpindahan perangkat melalui perubahan LAC dan CI. Visualisasi data disajikan dalam bentuk peta spasial yang mendukung analisis mobilitas perangkat. Integrasi UAV meningkatkan jangkauan dan fleksibilitas sistem, memungkinkan operasi dilakukan secara mobile, stealth, dan efisien. Dengan biaya implementasi yang relatif rendah dan kemampuan operasi udara, sistem ini berpotensi diterapkan dalam skenario pemantauan jaringan seluler, keamanan nasional, penegakan hukum, serta pengembangan sistem intelijen sinyal di masa depan.
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