CraneFly Hacking Group using Microsoft IIS Web Server Logs to Control Malware
As time progresses, threat actors continue to discover novel ways to evade detection. Now that this technique has been discovered, it seems to be quite simple to detect; modify any preexisting IIS monitoring detections to search for keywords such as “wrde”, “exo”, and “cllo”. In this case, it may be better to search IIS log files being written to temp folders, since it would be relatively easy for malware operators to change these keywords. This…
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