shellcode-fluctuation

Encrypt injected shellcode in memory during C2 sleep intervals.

15|1|Updated Feb 12, 2026
One-click install
npx skills add https://github.com/AeonDave/malskill --skill shellcode-fluctuation
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: shellcode-fluctuation
Source: https://github.com/AeonDave/malskill/tree/main/offensive-tools/evasion/shellcode-fluctuation
Command: npx skills add https://github.com/AeonDave/malskill --skill shellcode-fluctuation

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses the detection of injected shellcode by memory-scanning EDR products during C2 sleep intervals.

Core Features & Use Cases

  • Memory Evasion: Encrypts shellcode in memory between C2 communication periods.
  • EDR Bypass: Designed to defeat common memory scanning techniques used by Endpoint Detection and Response solutions.
  • Use Case: When your C2 implants are being flagged by EDR due to memory scanning, this technique can be employed to hide the shellcode during idle periods.

Quick Start

Integrate the C++ shellcode fluctuation technique into your implant by embedding the shellcode into the provided loader source and compiling it.

Frequently Asked Questions about shellcode-fluctuation

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I evade EDR memory scans during C2 sleep intervals?

Evade EDR memory scans by encrypting injected shellcode in memory during C2 sleep intervals. This fluctuation technique ensures that memory inspection tools only encounter encrypted payloads when the implant is idle.

What is shellcode fluctuation for memory evasion?

Shellcode fluctuation for memory evasion is a technique that encrypts injected shellcode during idle periods to bypass memory scanning. It hides the payload from EDR products by keeping it encrypted until execution is needed.

Do I need MSVC or MinGW to compile shellcode fluctuation techniques?

Yes, compiling shellcode fluctuation techniques requires MSVC or MinGW. The implementation is designed for C++ compilation and specifically targets Windows x64 systems to ensure proper memory manipulation.

How to integrate shellcode fluctuation into a C2 implant?

Integrate shellcode fluctuation into a C2 implant by embedding your shellcode into the provided loader source and compiling it. This encrypts the payload during sleep intervals to prevent EDR detection.

When should I use shellcode encryption to bypass EDR?

Use shellcode encryption to bypass EDR when your C2 implants are being flagged by memory scanning during idle periods. This technique is applicable for advanced persistent threats and red team operations requiring stealth.

Does shellcode fluctuation work on Windows x64 systems only?

Yes, shellcode fluctuation targets Windows x64 systems exclusively. The C++ implementation relies on specific memory manipulation mechanisms available on the Windows x64 platform to evade EDR products.