Digital Forensics & Incident Response
  • Welcome
  • General Notes
    • Azure Blob storage with NGINX proxy
    • Install and Configure ZeroTier client
    • S3FS Fuse and MinIO
    • Enable nested VT-X/AMD-V
    • mitm proxy
    • Exploring Volume Shadow Copies Manually
    • Resize VMDK/VDI
    • Resize VMDK on ESXi
    • Convert raw to vmdk
    • Favicon hashing and hunting with Shodan
    • WinRM/RemotePS
    • MinIO/S3/R2 ghost files
    • Mount E01 containing VMDK/XFS from RHEL system
    • Disk images for various filesystems and configurations
      • ext4 with LVM and RAID5 (3 disks)
      • ZFS
      • UFS, FFS, BTRFS, XFS
      • ext4, LVM, and LUKS1/LUKS2
      • NTFS, FAT32, with BitLocker
      • NTFS, FAT32, exFAT with TrueCrypt, VeraCrypt
    • VirtualBox adapters greyed out
    • Exporting SQLite blob data from standalone SQLite database using command line tools
  • Microsoft Defender KQL
    • Introduction to KQL
  • Windows Forensics
    • PsExec
      • PsExec and NTUSER data
    • Security Patch/KB Install Date
  • Linux Forensics
    • Inspecting RPM/DEB packages
    • Common Locations
  • ESXi Forensics
    • Mount external USB device in ESXi hypervisor
    • Understanding ESXi
      • Partitions / Volumes
      • ESXi console / shell
      • Guest Virtual Machines
    • General Notes
    • Triage and Imaging
    • ESXi VMFS Exploration
    • Export OVF from ESXi using OVF Tool
    • Identification, acquisition, and examination of iSCSI LUNs and VMFS datastores
  • Memory Forensics
    • Volatility
      • Volatility3 core commands
      • Build Custom Linux Profile for Volatility
      • Generate custom profile using btf2json
      • Banners, isfinfo, and custom profiles
      • Volatility2 core commands
      • 3rd Party Plugins
    • Acquisition
      • ESXi / VMware Workstation snapshots
      • DumpIt
      • WinPMem
      • Linux / AVML
  • Incident Response
    • Ivanti Connect Secure Auth Bypass and Remote Code Authentication CVE-2024-21887
    • VirusTotal & hash lists
    • Unix-like Artifacts Collector (UAC)
      • Setup MinIO (object storage)
      • Create S3 pre-signed URL
      • UAC and pre-signed URLs
    • Acquiring Linux VPS via SSH
    • AVML dump to SMB / AWS
    • China Chopper webshell
    • Logging Powershell activities
    • Compromised UniFi Controller
    • AnyDesk Remote Access
    • Mounting UFS VMDK from NetScaler/Citrix ADC
  • iOS Forensics
    • Checkm8 / checkra1n acquisitions/extractions
  • CTF / Challenges
    • 13Cubed Linux memory forensics
    • Compromised Windows Server 2022 (simulation)
      • FTK Imager
      • Autopsy Forensics
      • Plaso
      • Events Ripper
      • EZ tools
    • DEFCON 2019 forensics
    • Tomcat shells
    • Magnet Weekly CTF
      • Magnet CTF Week 0
      • Magnet CTF Week 1
    • DFIR Madness CTF
      • Case 001 - Szechuan Sauce
  • Log Files
    • Windows
      • Generating Log Timelines
  • Malware Analysis
    • Identifying UPX packed ELF, decompressing, fixing, and analysing Linux malware
    • PDF Analysis
  • Walking the VAD tree
  • OpenCTI
    • What is CTI/OpenCTI?
    • Setting up OpenCTI
    • Container Management
    • Configure Connectors
  • Vulnerability Management
    • Setting Up Nessus (Essentials)
    • Troubleshooting
  • Privacy
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  1. Memory Forensics
  2. Acquisition

Linux / AVML

Acquire AVML

$ wget https://github.com/microsoft/avml/releases/download/v0.2.0/avml

Make executable

$ chmod +x avml

Run AVML

$ ./avml

Identify kernel profile

$ uname -a
Linux syd 4.15.0-106-generic #107-Ubuntu SMP Thu Jun 4 11:27:52 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
$ cat /etc/*release

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.4 LTS"
NAME="Ubuntu" VERSION="18.04.4 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.4 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" VERSION_CODENAME=bionic UBUNTU_CODENAME=bionic

Acquire memory with AVML (1GB memory took ~2 seconds)

$ sudo ./avml /path/to/dump/filename.mem

Acquire to remote location

$ sudo mount -o user=username -t cifs \\\\remotehost\\folder$ /mnt/point
./avml /mnt/point/memdump.mem
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Last updated 2 years ago

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If you don't have a kernel profile/overlay for your specific kernel/build, .

check out this post