Toxic+panel+v4+work

title: Toxic Panel v4 Injection Patterns
status: experimental
logsource:
    product: windows
    service: sysmon
detection:
    injection:
        EventID: 8
        TargetImage: *\rundll32.exe
        CallTrace: *UNKNOWN*
    condition: injection

Without a COC, a v4 panel is a "research use only" data point. Every time the sample changes hands (Collector -> Courier -> Lab -> Analyst), it must be signed and timestamped. Temperature logs (2-8°C for blood) must accompany the shipment.

| Step | Action | |------|--------| | 1 | Isolate host from network | | 2 | Capture memory dump (using DumpIt or FTK Imager) | | 3 | Collect %SystemRoot%\System32\winevt\Logs\*.evtx | | 4 | Search for Toxic, TOXIC, or panel mutex names | | 5 | Revoke any unusual scheduled tasks or WMI bindings | | 6 | Reimage host (do not trust cleaning) |

The "v4" methodology is matrix-agnostic but optimized for: toxic+panel+v4+work

If you want to emulate its behavior for Blue Team drills:

# mock_toxic_panel_v4.py
import os, base64, requests, time
def anti_debug():
if os.name == 'nt':
import ctypes
if ctypes.windll.kernel32.IsDebuggerPresent():
return False
return True Without a COC, a v4 panel is a
def fake_inject():
print("[] Simulating process hollowing...")
time.sleep(1)
print("[] Injected into notepad.exe (simulated)")
def main():
if not anti_debug():
return
fake_inject()
c2 = base64.b64decode("aHR0cDovL2Zha2VjMi5sb2NhbA==").decode()
print(f"[*] Beaconing to c2 (simulated)") The "v4" methodology is matrix-agnostic but optimized for:
if name == "main":
main()

Run this inside your sandbox to test detection rules.