{"id":48698,"date":"2025-08-17T22:05:10","date_gmt":"2025-08-17T20:05:10","guid":{"rendered":"https:\/\/www.derivaty.sk\/?p=48698"},"modified":"2025-08-17T22:05:10","modified_gmt":"2025-08-17T20:05:10","slug":"post-incident-forenzna-analyza-metodika-zberu-telemetrie-a-letovych-zaznamov","status":"publish","type":"post","link":"https:\/\/www.vrtulniky.sk\/news\/post-incident-forenzna-analyza-metodika-zberu-telemetrie-a-letovych-zaznamov\/","title":{"rendered":"Post-incident forenzn\u00e1 anal\u00fdza: Metodika zberu telemetrie a letov\u00fdch z\u00e1znamov"},"content":{"rendered":"<h2>Pre\u010do forenzn\u00e1 akviz\u00edcia logov a telemetrie po incidente<\/h2>\n<p>Bezpilotn\u00e9 syst\u00e9my (UAS\/UAV) generuj\u00fa bohat\u00fa stopu d\u00e1t od \u00farovne autopilota a\u017e po pozemn\u00e9 riadiace stanice (GCS) a senzory proti-dronov\u00fdch syst\u00e9mov. Po kybernetickom alebo prev\u00e1dzkovom incidente s\u00fa tieto logy a telemetria k\u013e\u00fa\u010dom k rekon\u0161trukcii udalost\u00ed, atrib\u00facii, stanoven\u00ed rozsahu \u0161k\u00f4d a n\u00e1pravn\u00fdch opatren\u00ed. Forenzn\u00e1 akviz\u00edcia cieli na <em>presn\u00e9, reprodukovate\u013en\u00e9 a pr\u00e1vne obh\u00e1jite\u013en\u00e9<\/em> z\u00edskanie a uchovanie d\u00e1t bez kompromit\u00e1cie ich integrity a re\u0165azca dr\u017eby (chain of custody).<\/p>\n<h2>Pr\u00e1vny a organiza\u010dn\u00fd r\u00e1mec<\/h2>\n<ul>\n<li><strong>Mand\u00e1t a opr\u00e1vnenie<\/strong>: definujte, kto a na z\u00e1klade \u010doho vykon\u00e1va akviz\u00edciu (intern\u00e1 politika, zmluvn\u00e9 podmienky, s\u00fadny pr\u00edkaz, s\u00fahlas vlastn\u00edka zariadenia).<\/li>\n<li><strong>Re\u0165azec dr\u017eby<\/strong>: ka\u017ed\u00e1 manipul\u00e1cia s m\u00e9diom \u010di s\u00faborom m\u00e1 ma\u0165 zaznamenan\u00fa osobu, d\u00e1tum\/\u010das (UTC), \u00fa\u010del a kryptografick\u00e9 hash hodnoty.<\/li>\n<li><strong>Ochrana osobn\u00fdch \u00fadajov<\/strong>: minimaliz\u00e1cia zberu, pseudonymiz\u00e1cia, reten\u010dn\u00e9 lehoty a pr\u00edstupov\u00e9 pr\u00e1va v s\u00falade s legislat\u00edvou.<\/li>\n<li><strong>Bezpe\u010dnos\u0165 pr\u00e1ce<\/strong>: rizik\u00e1 LiPo bat\u00e9ri\u00ed, rotorov, pyrotechniky, RF emisi\u00ed; pred akviz\u00edciou zabezpe\u010di\u0165 zbra\u0148ov\u00e9\/pyro obvody a odpojenie nap\u00e1jania pod\u013ea SOP.<\/li>\n<\/ul>\n<h2>Typol\u00f3gia d\u00e1tov\u00fdch zdrojov po incidente<\/h2>\n<ul>\n<li><strong>Palubn\u00e9 syst\u00e9my UAV<\/strong>: flight controller (napr. PX4\/ArduPilot), companion po\u010d\u00edta\u010d (Linux\/ROS), kamerov\u00e9 syst\u00e9my (SRT\/EXIF), modemy (LTE\/5G), RF linky (C2\/video), GNSS prij\u00edma\u010de.<\/li>\n<li><strong>Pozemn\u00e9 syst\u00e9my<\/strong>: GCS aplik\u00e1cie (Windows\/Linux\/Android\/iOS), r\u00e1diov\u00e9 stanice, ant\u00e9nne trackery, sie\u0165ov\u00e9 prvky.<\/li>\n<li><strong>Proti-dronov\u00e9 senzory<\/strong>: RF skenery, pas\u00edvne\/akt\u00edvne radary, EO\/IR kamery, akustick\u00e9 polia, ADS-B\/Mode S prij\u00edma\u010de.<\/li>\n<li><strong>Siete a cloud<\/strong>: telemetria cez NTRIP, MQTT\/REST, poskytovatelia RTK, logy SIEM\/SOAR, z\u00e1znamy oper\u00e1torov mobiln\u00fdch siet\u00ed (ak leg\u00e1lne dostupn\u00e9).<\/li>\n<\/ul>\n<h2>Volatilita d\u00e1t: \u010do zachyti\u0165 ako prv\u00e9<\/h2>\n<ul>\n<li><strong>Volatiln\u00e9<\/strong>: RAM dump companion po\u010d\u00edta\u010da, behov\u00e9 logy (journalctl\/dmesg), do\u010dasn\u00e9 s\u00fabory, live sie\u0165ov\u00e9 toky (PCAP), cache GCS.<\/li>\n<li><strong>Semi-volatiln\u00e9<\/strong>: rota\u010dn\u00e9 logy a kruhov\u00e9 buffery autopilota (ULog\/BIN), ROS bagy, video ring-buffer.<\/li>\n<li><strong>Trval\u00e9<\/strong>: SD\/SSD\/eMMC flash, konfigur\u00e1cie a kalibr\u00e1cie, mapov\u00e9 dla\u017edice, firmware a parametre (param save\/export).<\/li>\n<\/ul>\n<h2>Integrita a \u010das: k\u013e\u00fa\u010dov\u00e9 z\u00e1sady<\/h2>\n<ul>\n<li><strong>Hashovanie<\/strong>: pre obraz m\u00e9di\u00ed aj jednotliv\u00e9 artefakty generujte <em>minim\u00e1lne<\/em> SHA-256; pre dlhodob\u00fd d\u00f4kazn\u00fd materi\u00e1l zv\u00e1\u017ete SHA-512.<\/li>\n<li><strong>\u010casov\u00e9 osi<\/strong>: pracujte v UTC; zaznamen\u00e1vajte aj offsety GNSS \u010dasu, NTP a lok\u00e1lnych RTC, vr\u00e1tane driftu.<\/li>\n<li><strong>Imutabilita<\/strong>: pracujte na bitov\u00fdch obrazoch, origin\u00e1ly zape\u010dati\u0165. Pou\u017e\u00edvajte write-blockery pre fyzick\u00e9 m\u00e9di\u00e1.<\/li>\n<\/ul>\n<h2>\u0160tandardn\u00e9 form\u00e1ty logov a telemetrie v UAS<\/h2>\n<table>\n<thead>\n<tr>\n<th>Komponent<\/th>\n<th>Form\u00e1t<\/th>\n<th>Obsah<\/th>\n<th>Pozn\u00e1mky k forenznej hodnote<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Autopilot PX4<\/td>\n<td>ULog<\/td>\n<td>IMU, GPS, barometer, stavov\u00fd stroj, failsafe, v\u00fdstupy riadenia<\/td>\n<td>Vysok\u00e1 granularita; korekcia \u010dasu pod\u013ea GPS locku<\/td>\n<\/tr>\n<tr>\n<td>ArduPilot<\/td>\n<td>.BIN \/ .LOG<\/td>\n<td>EKF\/IMU, RC vstupy, v\u00fdnimky, parametre<\/td>\n<td>Obsahuje udalos\u0165ov\u00e9 zna\u010dky (EV), u\u017eito\u010dn\u00e9 pre incident timeline<\/td>\n<\/tr>\n<tr>\n<td>MAVLink telemetria<\/td>\n<td>TLOG\/PCAP<\/td>\n<td>Heartbeat, GPS_RAW, ATTITUDE, MISSION, PARAM<\/td>\n<td>Mo\u017en\u00e9 sp\u00e4tne hra\u0165; kontrola spoofingu\/command injection<\/td>\n<\/tr>\n<tr>\n<td>ROS\/ROS2<\/td>\n<td>.bag \/ .db3<\/td>\n<td>Senzorick\u00e9 topiky, odometria, pl\u00e1novanie<\/td>\n<td>Z\u00e1znam latenci\u00ed a sekvenci\u00ed; identifik\u00e1cia frame drops<\/td>\n<\/tr>\n<tr>\n<td>Video<\/td>\n<td>SRT\/MPEG-TS\/MP4<\/td>\n<td>Overlay telemetria, \u010dasov\u00e9 zna\u010dky, smer\/zoom<\/td>\n<td>Extrahovate\u013en\u00e9 meta; k\u013e\u00fa\u010d pri vizu\u00e1lnej rekon\u0161trukcii<\/td>\n<\/tr>\n<tr>\n<td>Siete<\/td>\n<td>PCAP\/Netflow<\/td>\n<td>RTSP, RTP, MAVLink-over-UDP\/TCP, MQTT<\/td>\n<td>Detekcia MITM, packet loss, jitter, resetov spojenia<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Workflow akviz\u00edcie: end-to-end postup<\/h2>\n<ol>\n<li><strong>Stabiliz\u00e1cia sc\u00e9ny<\/strong>: vypn\u00fa\u0165 RF emisie, zabezpe\u010di\u0165 nap\u00e1janie, fotograficky zdokumentova\u0165 stav zariaden\u00ed, verzie SW a zapojenia.<\/li>\n<li><strong>R\u00fdchla volatiln\u00e1 akviz\u00edcia<\/strong>: RAM\/syst\u00e9mov\u00e9 logy companion po\u010d\u00edta\u010da, live sie\u0165ov\u00e9 z\u00e1znamy, export behov\u00fdch metrik (screenshoty GCS).<\/li>\n<li><strong>Logick\u00e9 exporty<\/strong>: bezpe\u010dn\u00fd v\u00fdpis ULog\/BIN, parametrov a misi\u00ed; bez zmeny konfigur\u00e1cie.<\/li>\n<li><strong>Fyzick\u00e1 akviz\u00edcia<\/strong>: bitov\u00e9 obrazy SD\/eMMC\/SSD s write-blockerom; dokumentova\u0165 s\u00e9riov\u00e9 \u010d\u00edsla a seal ID.<\/li>\n<li><strong>Hash a pe\u010datenie<\/strong>: vytvori\u0165 hash s\u00fapis, zape\u010dati\u0165 origin\u00e1ly, pracova\u0165 s k\u00f3piami.<\/li>\n<li><strong>Korela\u010dn\u00e1 agreg\u00e1cia<\/strong>: import do forenzn\u00e9ho skladu (DFIR platforma), normaliz\u00e1cia \u010dasov\u00fdch zna\u010diek a jednotiek.<\/li>\n<li><strong>Kontrola kvality<\/strong>: valida\u010dn\u00e9 skripty (schema\/CRC\/po\u010dty sn\u00edmok), inventory ch\u00fdbaj\u00facich intervalov.<\/li>\n<\/ol>\n<h2>Normaliz\u00e1cia a korekcia \u010dasov<\/h2>\n<ul>\n<li><strong>GNSS epochy<\/strong>: konverzia GPS \u010dasu (bez skokov sekundy) na UTC, zapo\u010d\u00edtanie leap seconds.<\/li>\n<li><strong>RTC drift<\/strong>: korekcia pod\u013ea anchor bodov (prv\u00fd GPS fix, NTP sync v GCS).<\/li>\n<li><strong>Synchroniz\u00e1cia multi-zdrojov<\/strong>: \u010dasov\u00e9 priradenie videa, telemetrie a RF detekci\u00ed z proti-dronov\u00fdch senzorov.<\/li>\n<\/ul>\n<h2>Analytick\u00e1 rekon\u0161trukcia incidentu<\/h2>\n<ul>\n<li><strong>Trajekt\u00f3ria a profil letu<\/strong>: rekon\u0161trukcia z IMU\/GNSS; identifik\u00e1cia n\u00e1klonov, r\u00fdchlosti zostupu, pre\u0165a\u017eenia.<\/li>\n<li><strong>Stavov\u00fd automat<\/strong>: prechody medzi re\u017eimami (MANUAL\/ALTCTL\/POSCTL\/AUTO), aktiv\u00e1cie failsafe (RTL\/land\/terminate).<\/li>\n<li><strong>Komunika\u010dn\u00e9 udalosti<\/strong>: strata linky, preladenie, pre\u0165a\u017eenie kan\u00e1la, interference score.<\/li>\n<li><strong>Konfigura\u010dn\u00e9 zmeny<\/strong>: porovnanie parametrov pred\/po (diff), neautorizovan\u00e9 z\u00e1sahy, zmeny misi\u00ed.<\/li>\n<li><strong>Kybernetick\u00e9 indik\u00e1tory<\/strong>: nezvy\u010dajn\u00e9 MAVLink pr\u00edkazy, modifikovan\u00e9 firmware identifik\u00e1tory, neplatn\u00e9 podpisy, anom\u00e1lie v ROS grafe.<\/li>\n<\/ul>\n<h2>Proti-dronov\u00e9 syst\u00e9my: korel\u00e1cia multisenzorovej evidencie<\/h2>\n<ul>\n<li><strong>RF fingerprinting<\/strong>: jedine\u010dn\u00e9 \u010drty modul\u00e1cie a oscil\u00e1torov; korelova\u0165 s PCAP a C2 linkou.<\/li>\n<li><strong>Radar\/EO\/IR<\/strong>: f\u00fazia trackov s trajekt\u00f3riou z logov; valid\u00e1cia r\u00fdchlost\u00ed a v\u00fd\u0161ok.<\/li>\n<li><strong>ADS-B\/Mode S<\/strong>: vyl\u00fa\u010denie\/zaradenie kooperat\u00edvnych cie\u013eov v bl\u00edzkosti incidentu.<\/li>\n<\/ul>\n<h2>\u0160ifrovanie, k\u013e\u00fa\u010de a autentifik\u00e1cia<\/h2>\n<ul>\n<li><strong>Detekcia \u0161ifrovania<\/strong>: identifik\u00e1cia \u0161ifrovan\u00fdch part\u00edci\u00ed, protokolov (TLS, SRTP), a zabezpe\u010den\u00fdch parametrov.<\/li>\n<li><strong>Leg\u00e1lny pr\u00edstup<\/strong>: z\u00edskanie k\u013e\u00fa\u010dov\u00e9ho materi\u00e1lu z\u00e1konnou cestou (spr\u00e1vcovsk\u00e9 pr\u00edstupy, z\u00e1lohy, HSM), audit pr\u00edstupov.<\/li>\n<li><strong>Overenie integrity<\/strong>: digit\u00e1lne podpisy firmware, secure boot logy, meran\u00e9 \u0161tarty (TPM\/TrustZone, ak existuj\u00fa).<\/li>\n<\/ul>\n<h2>Kvalita d\u00e1t a metriky pokrytia<\/h2>\n<ul>\n<li><strong>Pokrytie \u010dasovej osi<\/strong>: percento incidentn\u00e9ho okna s platn\u00fdmi \u00fadajmi na zdroj.<\/li>\n<li><strong>Granularita<\/strong>: vzorkovacia frekvencia IMU\/GNSS, frekvencia MAVLink; detekcia gapov.<\/li>\n<li><strong>Konzistentnos\u0165<\/strong>: kr\u00ed\u017eov\u00e9 porovnanie v\u00fd\u0161ok (baro vs. GNSS), heading (mag vs. vizu\u00e1lny odhad), r\u00fdchlos\u0165 (pitot vs. deriv\u00e1cia polohy).<\/li>\n<\/ul>\n<h2>N\u00e1stroje a automatiz\u00e1cia (pr\u00edklady kateg\u00f3ri\u00ed)<\/h2>\n<ul>\n<li><strong>Forenzn\u00e9 suity<\/strong>: na tvorbu bitov\u00fdch obrazov, hashovanie, spr\u00e1vu chain of custody a reporty.<\/li>\n<li><strong>UAS log analyz\u00e9ry<\/strong>: parsovanie ULog\/BIN, vizualiz\u00e1cie telemetrie, porovnanie parametrov.<\/li>\n<li><strong>Sie\u0165ov\u00e1 forenzika<\/strong>: PCAP anal\u00fdza, extrakcia MAVLink\/RTSP, \u0161tatistiky jitter\/packet loss.<\/li>\n<li><strong>DFIR orchestr\u00e1cia<\/strong>: ingest pipelines, normaliz\u00e1cia sch\u00e9m, korela\u010dn\u00e9 vyh\u013ead\u00e1vanie a \u010dasov\u00e9 osy.<\/li>\n<\/ul>\n<h2>Be\u017en\u00e9 n\u00e1strahy a ako im pred\u00eds\u0165<\/h2>\n<ul>\n<li><strong>Prepis kruhov\u00fdch logov<\/strong>: vypn\u00fa\u0165 nap\u00e1janie bezpe\u010dne a akviz\u00edciu spusti\u0165 sk\u00f4r, ne\u017e d\u00f4jde k rot\u00e1cii s\u00faborov.<\/li>\n<li><strong>Kontamin\u00e1cia artefaktov<\/strong>: pr\u00e1ca na origin\u00e1li bez write-blockera; v\u017edy tvori\u0165 bitov\u00e9 k\u00f3pie.<\/li>\n<li><strong>Nes\u00falad \u010dasov\u00fdch z\u00e1kladn\u00ed<\/strong>: ignorovanie driftu; vykona\u0165 synchroniza\u010dn\u00fa kalibr\u00e1ciu pred anal\u00fdzou.<\/li>\n<li><strong>Ch\u00fdbaj\u00faci kontext<\/strong>: nezdokumentovan\u00e9 prostredie a konfigur\u00e1cie; d\u00f4kladne fotografova\u0165 a exportova\u0165 parametre.<\/li>\n<\/ul>\n<h2>Model incidentnej \u010dasovej osi (pr\u00edklad \u0161trukt\u00fary)<\/h2>\n<pre> t0 (UTC) - Posledn\u00fd platn\u00fd GNSS fix; GPS_HDOP = 0.7 t0+3s - Loss of Link (MAVLink HEARTBEAT timeout), RSSI\u2193 t0+4s - Autopilot: Failsafe \u2192 RTL; EKF variance \u2191 t0+7s - RF senzor: anom\u00e1lia modul\u00e1cie v p\u00e1sme 2.4 GHz t0+12s - Video stream drop; jitter &gt; 150 ms t0+18s - Autopilot: re\u017eim LAND; baro_z drift +0.8 m t0+30s - Dotyk zeme; motor disarm; log closed <\/pre>\n<h2>Reportovanie a prezent\u00e1cia d\u00f4kazov<\/h2>\n<ul>\n<li><strong>Reprodukovate\u013enos\u0165<\/strong>: zahrn\u00fa\u0165 verzie n\u00e1strojov, skriptov a konfigura\u010dn\u00e9 s\u00fabory.<\/li>\n<li><strong>Vizualiz\u00e1cie<\/strong>: mapy trajekt\u00f3ri\u00ed, heatmapy RSSI\/jitter, grafy re\u017eimov a v\u00fdnimiek.<\/li>\n<li><strong>D\u00f4kazn\u00fd bal\u00edk<\/strong>: index artefaktov s hashmi, opis chain of custody, pr\u00e1vne obmedzenia publik\u00e1cie.<\/li>\n<\/ul>\n<h2>Integr\u00e1cia s post-incidentnou bezpe\u010dnos\u0165ou<\/h2>\n<ul>\n<li><strong>Back-feed do SOC\/blue-team<\/strong>: IOCs (indik\u00e1tory kompromit\u00e1cie), signat\u00fary anom\u00e1li\u00ed MAVLink, RF patterny.<\/li>\n<li><strong>Tvrdnutie konfigur\u00e1ci\u00ed<\/strong>: aktualiz\u00e1cia firmware, audit parametrov failsafe, zabezpe\u010denie telemetrie (\u0161ifrovanie, autentiz\u00e1cia).<\/li>\n<li><strong>Lekcie nau\u010den\u00e9<\/strong>: aktualiz\u00e1cia SOP a tr\u00e9ning pos\u00e1dok; testy tabu\u013ekou (table-top) a cvi\u010denia red\/blue t\u00edmu.<\/li>\n<\/ul>\n<h2>Kontroln\u00fd zoznam (Checklist) pre forenzn\u00fa akviz\u00edciu<\/h2>\n<ol>\n<li>Mand\u00e1t, bezpe\u010dnos\u0165 sc\u00e9ny, dokument\u00e1cia stavu zariaden\u00ed.<\/li>\n<li>Zachyti\u0165 volatiln\u00e9 d\u00e1ta (RAM, live PCAP, journal).<\/li>\n<li>Logick\u00fd export ULog\/BIN, parametrov, misi\u00ed a ROS bagov.<\/li>\n<li>Bitov\u00e1 k\u00f3pia SD\/eMMC\/SSD s write-blockerom + hash.<\/li>\n<li>Centralizovan\u00fd ingest a normaliz\u00e1cia \u010dasov (UTC).<\/li>\n<li>Kontrola kvality a inventariz\u00e1cia medzier v d\u00e1tach.<\/li>\n<li>Rekon\u0161trukcia trajekt\u00f3rie, re\u017eimov a komunika\u010dn\u00fdch udalost\u00ed.<\/li>\n<li>Korel\u00e1cia s proti-dronov\u00fdmi senzormi (RF\/radar\/EO-IR).<\/li>\n<li>Report, vizualiz\u00e1cie a d\u00f4kazn\u00fd bal\u00edk s hashmi.<\/li>\n<li>N\u00e1pravn\u00e9 opatrenia a aktualiz\u00e1cia bezpe\u010dnostn\u00fdch polit\u00edk.<\/li>\n<\/ol>\n<p>Forenzn\u00e1 akviz\u00edcia logov a telemetrie po incidente s UAV vy\u017eaduje presn\u00fd postup, disciplinovan\u00e9 zachovanie integrity a hlbok\u00e9 znalosti form\u00e1tov i syst\u00e9mov. Kombin\u00e1cia spr\u00e1vneho pr\u00e1vneho r\u00e1mca, technicky korektnej akviz\u00edcie, \u010dasovej normaliz\u00e1cie a multisenzorovej korel\u00e1cie umo\u017e\u0148uje spo\u013eahlivo rekon\u0161truova\u0165 udalosti a odvodi\u0165 \u00fa\u010dinn\u00e9 n\u00e1pravn\u00e9 opatrenia. Systematick\u00fd pr\u00edstup zni\u017euje riziko sporov o d\u00f4kazn\u00fa hodnotu a zr\u00fdch\u013euje prechod od incidentu k zlep\u0161enej kybernetickej odolnosti cel\u00e9ho UAS ekosyst\u00e9mu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Postupy bezpe\u010dn\u00e9ho zberu logov a telemetrie, zachovanie d\u00f4kazov a tvorba \u010dasovej osi pre objekt\u00edvne vy\u0161etrovanie.<\/p>\n","protected":false},"author":38,"featured_media":88698,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2629],"tags":[2553,2554,2555,2413,2194,2415,2556,2416],"class_list":["post-48698","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-drony","tag-chain-of-custody","tag-extrakcia","tag-forenzna-akvizicia-po-incidente","tag-korelacia","tag-logy","tag-sprava","tag-telemetria","tag-timeline"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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