Security Response Custom Report

**Executive summary:** Symantec Security Response analyzes Backdoor.Cadelspy and Backdoor.Remexi, describing dropper and installer behaviors, persistence via AppInit_DLLs and registry keys, extensive backdoor capabilities (keystroke logging, screenshots, webcam capture, audio recording, system information gathering, remote command execution and file exfiltration), and provides comprehensive IoCs (file hashes, C2 domains) and YARA rules for detection.