An analyst must be able to spot a "Christmas Tree Scan" (setting FIN, URG, and PSH flags simultaneously). Old or misconfigured IDSs might miss this, but a human looking at the hex 0x29 (binary 00101001 ) in the flags field can identify it as malicious noise.
SEC503: Network Monitoring and Threat Detection In-Depth. ... Gain technical knowledge in network monitoring and threat detection. SANS Institute SEC503: Intrusion Detection In-Depth - SANS Institute sec503 intrusion detection indepth pdf 258
What sets SEC503 apart is its unique "bottom-up" approach to cybersecurity. Rather than simply teaching how to use security software, the course focuses on the fundamental mechanics of network protocols. Students are trained to "read" network traffic at the bit and byte level, often interpreting hexadecimal code without the aid of automated tools. Course Structure and Syllabus Sec503 Intrusion Detection In-Depth (PDF 258) — A