Nika Read Only

Apex Legends external cheat for Linux.
As of Season 23, for QEMU/KVM (formerly for Proton).

+----------+    +----------+    +------------+    +--------------+
| Linux PC | -> | QEMU/KVM | -> | Windows VM | -> | Apex Legends |
+----------+    +----------+    +------------+    +--------------+

Introduction

The goal of this project is to have a working Linux cheat that can run alongside Apex Legends on my i5-6600K 4c/4t Linux PC.

Features

Bind X in-game to fire, triggerbot will use that key (default AIMBOT_FIRING_KEY)
Unbind LMB (Left Mouse Button) in-game from fire, so that the cheat will fire for you instead (AIMBOT_ACTIVATED_BY_MOUSE default YES)

Toggle hitbox with CURSOR_DOWN; body/neck/head text in the upper left corner of the screen
Hold CAPS_LOCK to superglide
Terminate cheat with F9

1. Environment set up in Linux

Enter BIOS and enable Virtualization Technology:
- VT-d for Intel (VMX)
- AMD-Vi for AMD (SVM)
- Enable "IOMMU"
- Disable "Above 4G Decoding"
Nested Virtualization for Intel:

sudo su
echo "options kvm_intel nested=1" >> /etc/modprobe.d/kvm.conf

Nested Virtualization for AMD:

sudo su
echo "options kvm_amd nested=1" >> /etc/modprobe.d/kvm.conf

Preload vfio-pci module so it can bind to PCI IDs:

sudo su
echo "softdep nvidia pre: vfio-pci" >> /etc/modprobe.d/kvm.conf
echo "softdep nouveau pre: vfio-pci" >> /etc/modprobe.d/kvm.conf

Update initramfs:

sudo dracut --force

Install on Arch Linux (EndeavourOS KDE):

sudo pacman -S qemu-desktop
sudo pacman -S virt-manager

Install on Fedora Linux (Fedora KDE):

sudo dnf install @virtualization

1.1. Configure libvirt

Edit /etc/libvirt/qemu.conf and uncomment (needed for audio):

#user = "libvirt-qemu"
user = "1000"

Edit /etc/libvirt/libvirtd.conf and uncomment:

unix_sock_group = "libvirt"
unix_sock_rw_perms = "0770"

Join libvirt group and enable libvirt daemon:

sudo usermod -aG libvirt $USER
sudo systemctl enable libvirtd.service

Restart Linux PC.
Start default virtual network:

sudo virsh net-autostart default
sudo virsh net-start default

Enable XML editing in Virtual Machine Manager >> Edit >> Preferences >> General
Download "Stable virtio-win ISO" from: https://github.com/virtio-win/virtio-win-pkg-scripts/blob/master/README.md

2. New VM set up in QEMU/KVM

Virtual Machine Manager >> File >> New Virtual Machine
Local install media (ISO image or CDROM) >> Windows10.iso >> Choose Memory and CPU settings >> Disable storage for this virtual machine >> Customize configuration before install
- Overview >> Chipset: Q35, Firmware: x64/OVMF_CODE.secboot.4m.fd >> Apply
- Boot Options >> Boot device order: Enable boot menu >> Apply
- [Add Hardware] >> Storage >> Device type: CDROM device >> Manage... virtio-win.iso >> [Finish]
- [Add Hardware] >> Storage >> Device type: Disk device >> Bus type: VirtIO >> Create a disk image for the virtual machine: 140 GiB >> Advanced options >> Serial: A0B1C2D3E4F56789 >> [Finish]
- [Begin Installation] >> Virtual Machine >> Shut Down >> Force Off

2.1 Configure VM

Virtual Machine Manager >> [Open] >> View >> Details >> Overview >> XML

Replace <domain type="kvm"> and [Apply]:

Spoiler

<domain type="kvm" xmlns:qemu="http://libvirt.org/schemas/domain/qemu/1.0">
  <qemu:commandline>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=0,vendor=ASUS,version=X.23,date=06/14/2024,release=12.34"/>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=1,manufacturer=ASUS,product=ASUS Zenbook 14X UX1337,version=23.41,serial=D3E4F56789"/>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=2,manufacturer=ASUS,product=87FD,version=34.12,serial=B1C2D3E4F56789"/>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=3,manufacturer=ASUS,version=23.41,serial=D3E4F56789"/>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=17,manufacturer=Samsung,loc_pfx=BANK,speed=4800,serial=E4F56789"/>
    <qemu:arg value="-smbios"/>
    <qemu:arg value="type=4,manufacturer=Intel(R) Corporation,version=13th Gen Intel(R) Core(TM) i9-13900H @ 2.60GHz,max-speed=5400,current-speed=2600"/>
  </qemu:commandline>

Replace </metadata> and [Apply]:

Spoiler

  <vmware xmlns="http://www.vmware.com/schema/vmware.config">
    <config>
      <entry name="hypervisor.cpuid.v0" value="FALSE"/>
    </config>
  </vmware>
</metadata>

Replace from <memory unit="KiB">4194304</memory> to <vcpu placement="static">2</vcpu> and [Apply]:

Spoiler

<memory unit="KiB">12582912</memory>
<currentMemory unit="KiB">12582912</currentMemory>
<vcpu placement="static">4</vcpu>

Replace from <features> to </clock> and [Apply]:

Spoiler

<features>
  <acpi/>
  <apic/>
  <hyperv mode="passthrough">
    <relaxed state="on"/>
    <vapic state="on"/>
    <spinlocks state="on" retries="8191"/>
    <vpindex state="on"/>
    <synic state="on"/>
    <stimer state="on">
      <direct state="on"/>
    </stimer>
    <reset state="on"/>
    <vendor_id state="on" value="GenuineIntel"/>
    <frequencies state="on"/>
    <reenlightenment state="off"/>
    <tlbflush state="on"/>
    <ipi state="on"/>
    <evmcs state="off"/>
    <avic state="on"/>
  </hyperv>
  <kvm>
    <hidden state="on"/>
  </kvm>
  <vmport state="off"/>
  <smm state="on"/>
  <ioapic driver="kvm"/>
</features>
<cpu mode="host-passthrough" check="none" migratable="off">
  <topology sockets="1" dies="1" cores="4" threads="1"/>
  <cache mode="passthrough"/>
  <feature policy="require" name="hypervisor"/>
  <feature policy="disable" name="vmx"/>
  <feature policy="disable" name="svm"/>
  <feature policy="disable" name="aes"/>
  <feature policy="disable" name="x2apic"/>
  <feature policy="require" name="ibpb"/>
  <feature policy="require" name="invtsc"/>
  <feature policy="require" name="pdpe1gb"/>
  <feature policy="require" name="ssbd"/>
  <feature policy="require" name="amd-ssbd"/>
  <feature policy="require" name="stibp"/>
  <feature policy="require" name="amd-stibp"/>

  <feature policy="require" name="tsc-deadline"/>
  <feature policy="require" name="tsc_adjust"/>
  <feature policy="require" name="arch-capabilities"/>
  <feature policy="require" name="rdctl-no"/>
  <feature policy="require" name="skip-l1dfl-vmentry"/>
  <feature policy="require" name="mds-no"/>
  <feature policy="require" name="pschange-mc-no"/>

  <feature policy="require" name="cmp_legacy"/>
  <feature policy="require" name="xsaves"/>
  <feature policy="require" name="perfctr_core"/>
  <feature policy="require" name="clzero"/>
  <feature policy="require" name="xsaveerptr"/>
</cpu>
<clock offset="timezone" timezone="Europe/London">
  <timer name="rtc" present="no" tickpolicy="catchup"/>
  <timer name="pit" tickpolicy="discard"/>
  <timer name="hpet" present="no"/>
  <timer name="kvmclock" present="no"/>
  <timer name="hypervclock" present="yes"/>
  <timer name="tsc" present="yes" mode="native"/>
</clock>

Replace </devices> and [Apply]:

Spoiler

  <shmem name="looking-glass">
    <model type="ivshmem-plain"/>
    <size unit="M">32</size>
  </shmem>
</devices>

2.2 Install Windows

Where do you want to install Windows?
- Load driver >> OK >> E:\amd64\w10\viostor.inf
Virtual Machine Manager >> [Open] >> View >> Details >> Boot Options >> Boot device order:
- VirtIO Disk 1 >> [Apply]

3. VFIO GPU passthrough (on Linux PC)

Find GPU location with: lspci -v | grep -i VGA

00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530 (rev 06) (prog-if 00 [VGA controller])
02:00.0 VGA compatible controller: NVIDIA Corporation TU106 [GeForce RTX 2070] (rev a1) (prog-if 00 [VGA controller])

GeForce RTX 2070 has 4 PCI IDs: lspci -v | grep -i NVIDIA

02:00.0 VGA compatible controller: NVIDIA Corporation TU106 [GeForce RTX 2070] (rev a1) (prog-if 00 [VGA controller])
        Subsystem: NVIDIA Corporation TU106 [GeForce RTX 2070]
02:00.1 Audio device: NVIDIA Corporation TU106 High Definition Audio Controller (rev a1)
        Subsystem: NVIDIA Corporation Device 1f02
02:00.2 USB controller: NVIDIA Corporation TU106 USB 3.1 Host Controller (rev a1) (prog-if 30 [XHCI])
        Subsystem: NVIDIA Corporation Device 1f02
02:00.3 Serial bus controller: NVIDIA Corporation TU106 USB Type-C UCSI Controller (rev a1)
        Subsystem: NVIDIA Corporation Device 1f02

Find PCI IDs with: lspci -n -s 02:00

02:00.0 0300: 10de:1f02 (rev a1)
02:00.1 0403: 10de:10f9 (rev a1)
02:00.2 0c03: 10de:1ada (rev a1)
02:00.3 0c80: 10de:1adb (rev a1)

Edit /etc/default/grub, use either intel_iommu=on or amd_iommu=on:

GRUB_CMDLINE_LINUX="module_blacklist=nvidia,nouveau vfio-pci.ids=10de:1f02,10de:10f9,10de:1ada,10de:1adb intel_iommu=on iommu=pt"

Update GRUB and restart Linux PC:

sudo grub-mkconfig -o /boot/grub/grub.cfg
sudo grub2-mkconfig -o /boot/grub2/grub.cfg

Inspect IOMMU enabled with:

if compgen -G "/sys/kernel/iommu_groups/*/devices/*" > /dev/null; then echo "IOMMU enabled."; fi

Inspect kernel driver in use with: lspci -k -s 02:00

02:00.0 VGA compatible controller: NVIDIA Corporation TU106 [GeForce RTX 2070] (rev a1)
        Subsystem: NVIDIA Corporation TU106 [GeForce RTX 2070]
        Kernel driver in use: vfio-pci
        Kernel modules: nouveau
02:00.1 Audio device: NVIDIA Corporation TU106 High Definition Audio Controller (rev a1)
        Subsystem: NVIDIA Corporation Device 1f02
        Kernel driver in use: vfio-pci
        Kernel modules: snd_hda_intel
02:00.2 USB controller: NVIDIA Corporation TU106 USB 3.1 Host Controller (rev a1)
        Subsystem: NVIDIA Corporation Device 1f02
        Kernel driver in use: xhci_hcd
02:00.3 Serial bus controller: NVIDIA Corporation TU106 USB Type-C UCSI Controller (rev a1)
        Subsystem: NVIDIA Corporation Device 1f02
        Kernel driver in use: vfio-pci
        Kernel modules: i2c_nvidia_gpu

Not loaded as a module, xhci_hcd will be managed by libvirt.

3.1 Add passthrough GPU devices to Windows VM

Virtual Machine Manager >> [Open] >> View >> Details >> [Add Hardware] >> PCI Host Device:
- 02:00.0 NVIDIA Corporation TU106 [GeForce RTX 2070] >> [Finish]
- 02:00.1 NVIDIA Corporation TU106 High Definition Audio Controller >> [Finish]
- 02:00.2 NVIDIA Corporation TU106 USB 3.1 Host Controller >> [Finish]
- 02:00.3 NVIDIA Corporation TU106 USB Type-C UCSI Controller >> [Finish]
Install GPU drivers on Windows VM.

4. Looking Glass B6 (on Windows VM)

If your Windows10.iso is updated to poop level:
- Search >> Reputation-based protection >> Check apps and files >> Off
https://looking-glass.io/downloads >> Windows Host Binary
- At least one GPU display port needs to be populated, shop online for HDMI Dummy Plug if needed.
- Windows Host Binary will not start without it.

4.1 Looking Glass B6 (on Linux PC)

Install dependencies on Arch Linux (EndeavourOS KDE):

sudo pacman -S cmake

Install dependencies on Fedora Linux (Fedora KDE):

sudo dnf install cmake g++ fontconfig-devel spice-protocol nettle-devel wayland-devel libxkbcommon-x11-devel libXi-devel libXScrnSaver-devel libXinerama-devel libXcursor-devel libXpresent-devel libglvnd-devel pipewire-devel pulseaudio-libs-devel libsamplerate-devel binutils-devel libXrandr-devel

https://looking-glass.io/downloads >> Source
Build Looking Glass B6:

cd path/to/extracted/repository
cd client
mkdir build
cd build
cmake ..
make

Virtual Machine Manager >> [Open] >> View >> Details >> Video QXL >> Model: None >> [Apply]
Start your Windows VM and connect to it using Looking Glass B6:

cd path/to/extracted/repository
cd client/build
./looking-glass-client

5. Nika Read Only (on Linux PC)

Install:

cd path/to/extracted/repository
chmod +x nika

Run:

cd path/to/extracted/repository
sudo ./nika

6. Hyper-V alternative

Edit XML for Intel (on Linux PC):

<feature policy="disable" name="hypervisor"/>
<feature policy="require" name="vmx"/>

Edit XML for AMD (on Linux PC):

<feature policy="disable" name="hypervisor"/>
<feature policy="require" name="svm"/>

Open a Command Prompt as Administrator (on Windows VM):

DISM /Online /Enable-Feature /FeatureName:Microsoft-Hyper-V /All

7. memflow-kvm (will trigger "The client failed an anti-cheat backend check.")

Download memflow-0.2.1-source-only.dkms.tar.gz from: https://github.com/memflow/memflow-kvm/releases
Install:

sudo dnf install kernel-devel-$(uname -r)
sudo dnf install kernel-devel-matched-$(uname -r)
sudo dnf install dkms
sudo dkms install --archive=memflow-0.2.1-source-only.dkms.tar.gz

Run:

sudo modprobe memflow
cd path/to/extracted/repository
sudo ./nika

Name		Name	Last commit message	Last commit date
Latest commit History 880 Commits
imgui		imgui
GLFW.kwinrule		GLFW.kwinrule
README.md		README.md
Screenshot.jpg		Screenshot.jpg
alloc12g.sh		alloc12g.sh
items.ini		items.ini
keys.txt		keys.txt
libmemflow_kvm.so		libmemflow_kvm.so
libmemflow_qemu.so		libmemflow_qemu.so
libmemflow_win32.so		libmemflow_win32.so
nika		nika
nika.ini		nika.ini
offsets.ini		offsets.ini
weapons.ini		weapons.ini

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Nika Read Only

Introduction

Features

1. Environment set up in Linux

1.1. Configure libvirt

2. New VM set up in QEMU/KVM

2.1 Configure VM

2.2 Install Windows

3. VFIO GPU passthrough (on Linux PC)

3.1 Add passthrough GPU devices to Windows VM

4. Looking Glass B6 (on Windows VM)

4.1 Looking Glass B6 (on Linux PC)

5. Nika Read Only (on Linux PC)

6. Hyper-V alternative

7. memflow-kvm (will trigger "The client failed an anti-cheat backend check.")

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Ape-xCV/Nika-Read-Only

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Repository files navigation

Nika Read Only

Introduction

Features

1. Environment set up in Linux

1.1. Configure libvirt

2. New VM set up in QEMU/KVM

2.1 Configure VM

2.2 Install Windows

3. VFIO GPU passthrough (on Linux PC)

3.1 Add passthrough GPU devices to Windows VM

4. Looking Glass B6 (on Windows VM)

4.1 Looking Glass B6 (on Linux PC)

5. Nika Read Only (on Linux PC)

6. Hyper-V alternative

7. memflow-kvm (will trigger "The client failed an anti-cheat backend check.")

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