This log shows multiple 404 errors being triggered from requests to different directories or paths, which strongly suggests adirectory brute-force attack. In this type of attack, an adversary uses automated tools to enumerate directory or file paths in an attempt to find hidden or misconfigured resources. The frequent 404
"Not Found" HTTP responses from a single IP address attempting to access different URL paths is the signature pattern for directory brute-forcing. This behavior is not consistent with XSS, SQLi, or RCE, which would involve payloads or specific encoded commands, not merely probing paths.
Reference:
Chapple & Seidl,CompTIA CySA+ Practice Tests(Sybex, 2023), Question 149, p. 297 Objective 1.2 of CySA+ CS0-003 Exam Objectives: Analyze indicators of malicious activity such as scans
/sweeps, unusual traffic spikes, activity on unexpected ports