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Anthropic-Cybersecurity-Skills/skills/performing-malware-persistence-investigation/references/api-reference.md
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mukul975 27c6414ca5 Add folder anatomy (scripts/agent.py + references/api-reference.md) for 648 cybersecurity skills
Complete skill folder anatomy across all cybersecurity skills:
- scripts/agent.py: 80-150 line Python agents using real libraries (impacket,
  boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.)
- references/api-reference.md: real API documentation with method signatures
- LICENSE: MIT license for all skill folders
2026-03-10 21:02:12 +01:00

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API Reference: Malware Persistence Investigation

python-registry Library

from Registry import Registry
reg = Registry.Registry("SOFTWARE")
key = reg.open("Microsoft\\Windows\\CurrentVersion\\Run")
for value in key.values():
    print(f"{value.name()} -> {value.value()}")

Key Windows Persistence Locations

Location Type Registry Path / Filesystem Path
Run Keys (HKLM) Registry SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Run Keys (HKCU) Registry NTUSER.DAT\Software\Microsoft\Windows\CurrentVersion\Run
Services Registry SYSTEM\ControlSetXXX\Services
Scheduled Tasks Filesystem C:\Windows\System32\Tasks\
WMI Subscriptions WMI DB C:\Windows\System32\wbem\Repository\OBJECTS.DATA
Startup Folder Filesystem %APPDATA%\Microsoft\Windows\Start Menu\Programs\Startup
COM Hijacking Registry SOFTWARE\Classes\CLSID\{...}\InprocServer32

Linux Persistence Locations

Location Mechanism
/etc/crontab, /etc/cron.d/ Cron jobs
/etc/systemd/system/*.service Systemd services
~/.ssh/authorized_keys SSH key persistence
/etc/rc.local Boot scripts
/etc/ld.so.preload Shared library injection
/etc/pam.d/ PAM backdoors

Python Libraries

Library Version Purpose
python-registry >=1.4 Offline Windows registry hive parsing
xml.etree.ElementTree stdlib Scheduled task XML parsing
pathlib stdlib Filesystem traversal

References