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mukul975
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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
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2.3 KiB
Rootkit Detection API Reference
Volatility 3 - Rootkit Analysis Plugins
# Process enumeration - compare for hidden processes
vol3 -f memory.dmp windows.pslist # EPROCESS linked list (rootkit-manipulable)
vol3 -f memory.dmp windows.psscan # Pool tag scanning (rootkit-resistant)
# SSDT hook detection
vol3 -f memory.dmp windows.ssdt
# Kernel module listing
vol3 -f memory.dmp windows.modules
vol3 -f memory.dmp windows.modscan # Scan for hidden modules
# Driver IRP hook detection
vol3 -f memory.dmp windows.driverirp
# Callback enumeration
vol3 -f memory.dmp windows.callbacks
# IDT (Interrupt Descriptor Table) check
vol3 -f memory.dmp windows.idt
# Injected code detection
vol3 -f memory.dmp windows.malfind
Cross-View Detection Method
Step 1: Enumerate with pslist (uses EPROCESS ActiveProcessLinks)
Step 2: Enumerate with psscan (scans pool tags in physical memory)
Step 3: Compare PID sets
Step 4: PIDs in psscan but NOT in pslist = hidden by DKOM rootkit
Linux Rootkit Detection Tools
# rkhunter
rkhunter --update # Update signatures
rkhunter --check --skip-keypress # Full scan
rkhunter --check --report-warnings-only # Warnings only
# chkrootkit
chkrootkit # Full scan
chkrootkit -q # Quiet (only infected)
# Unhide (process and port hiding detection)
unhide proc # Compare /proc, ps, syscall enumeration
unhide sys # System call brute force
unhide-tcp # Hidden TCP/UDP ports
Rootkit Types
| Type | Hides In | Detection Method |
|---|---|---|
| User-mode | LD_PRELOAD, IAT hooks | Cross-view, strace |
| Kernel-mode | DKOM, SSDT hooks | Memory forensics |
| Bootkits | MBR/VBR/UEFI | Firmware integrity |
| Hypervisor | Below OS | Timing analysis |
DKOM (Direct Kernel Object Manipulation)
Rootkit unlinking technique:
EPROCESS(prev).Flink -> EPROCESS(hidden).Flink (skip hidden)
EPROCESS(next).Blink -> EPROCESS(hidden).Blink (skip hidden)
Process disappears from pslist but remains in physical memory (psscan finds it)
Memory Acquisition
# Windows - WinPmem
winpmem_mini_x64.exe memdump.raw
# Linux - LiME
insmod lime.ko "path=/tmp/memory.lime format=lime"
# Linux - /proc/kcore
dd if=/proc/kcore of=/evidence/memory.raw bs=1M