Malware Quiz; Odd ZIP Files; Decrypting Cobalt Strike Malware Quiz https://isc.sans.edu/forums/diary/Phishing+ZIP+With+Malformed+Filename/27966/ Odd Zip Files https://isc.sans.edu/forums/diary/Phishing+ZIP+With+Malformed+Filename/27966/ Decrypting Cobalt Strike Configurations Using Known Secret Keys https://blog.nviso.eu/2021/10/21/cobalt-strike-using-known-private-keys-to-decrypt-traffic-part-1/ Tracking BLE Fingerprints https://cseweb.ucsd.edu/~nibhaska/papers/sp22_paper.pdf GPS Software Bug https://us-cert.cisa.gov/ncas/current-activity/2021/10/21/gps-daemon-gpsd-rollover-bug https://isc.sans.edu/forums/diary/Keeping+Track+of+Time+Network+Time+Protocol+and+a+GPSD+Bug/27886/ keywords: GPS; Tracking; ble; cobalt strike; zip; malware; packets; quiz; challenge