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