LTESniffer - An Open-source LTE Downlink/Uplink Eavesdropper LTESniffer is An Open-source LTE Downlink/Uplink Eavesdropper It first decodes the Physical Downlink Control Channel (PDCCH) to obtain the Downlink Control Informations (DCIs) and Radio Network Temporary Identifiers (RNTIs) of all active users. Using decoded DCIs and RNTIs, LTESniffer further decodes the Physical Downlink Shared Channel (PDSCH) and Physical Uplink Shared Channel (PUSCH) to retrieve uplink and downlink data traffic. LTE...