Linux Process Evasion: ptrace & prctl
Stop analysts in their tracks. Learn how to leverage PTRACE_TRACEME and PR_SET_DUMPABLE syscalls to harden your agents against debuggers and memory acquisition.
Posts
Network Fingerprinting: Analyzing Default ICMP Structures and Payload Mimicry
A ‘ping’ is not just a ping. Every OS leaves a unique ICMP fingerprint. Discover how to use Traffic Mimicry and x64 Assembly to blend custom packets into ambient network noise.
Statistical Jitter and Timing Analysis: Precision Measurements in Network Protocols
Consistency is key in high-speed data. Beyond simple latency, jitter reveals the true health of a network. Discover how to bypass OS clock noise using RDTSC for nanosecond-scale precision.
Volatile Storage Mechanisms: A Deep Dive into memfd_create for Memory-Resident Operations
Traditional disk storage leaves traces. memfd_create enables anonymous, volatile files that reside exclusively in RAM. Learn to implement this in x64 Assembly for low-footprint operations.
eBPF: The Evolution of Linux Kernel Observability and Programmability
Traditional kernel modules are risky. eBPF provides a safe, high-speed ‘superpower’ for the Linux Kernel. Learn how XDP and kprobes revolutionize networking and tracing.
Invisible Exfiltration: Advanced Evasion Techniques in Modern IDS/IPS Environments
True stealth is about blending into the noise. Discover how to use hardware-level timing, protocol mimicry, and jitter to make C2 traffic indistinguishable from legitimate activity.
Linux x64 Assembly: The Anatomy of Syscalls and the Secrets of the .bss Segment
Go behind the scenes of the Linux Kernel. Learn the register protocol for syscalls and why the .bss segment is essential for efficient, zero-disk memory reservation.
ICMP-Ghost: A Technical Analysis of Low-Level Network Communication in x64 Assembly
Meet the ghost in the machine. ICMP-Ghost uses zero-dependency x64 Assembly to bypass EDRs. Learn how fileless execution and ICMP stealth communication work at the syscall level.
Data Sealing to RFC 1071 Standards: Anatomy of a Checksum with x64 Assembly
A malformed packet is a dead packet. Learn how to implement the official RFC 1071 checksum algorithm in Assembly to ensure your custom ICMP data bypasses kernel drops.
Network Programming in Assembly: A Single-Pass Algorithm for Printing IP Addresses
Printing 192.168.1.5 instead of 5.1.168.192 is a common Assembly pitfall. Master a backward-build algorithm that handles Byte Order conversion without extra memory cycles.