Dllinjector.ini
In 2022, a RedLine Stealer variant used a dropped dllinjector.ini with the following configuration to inject into explorer.exe:
[Settings] Method=1 Stealth=1 Process=explorer.exe
[DLL] Path=C:\Users\Public\srvnet.dll
The malicious payload was srvnet.dll (a trojanized version of a legitimate network DLL). By injecting into explorer.exe, the malware persisted across user logons and bypassed basic process monitoring tools.
A red team using DLLInjector.ini for Cobalt Strike beacon injection: Dllinjector.ini
[Settings] TargetProcess = OneDrive.exe DLLPath = ..\beacon.dll InjectionMethod = ManualMap Elevate = false
[Stealth] SleepBeforeInjection = 5000 SpoofCallstack = true BypassETW = true
Why target OneDrive.exe? – Legitimate Microsoft binary often whitelisted; many EDRs allow its network connections.
While specific syntax varies by the injector software used, a typical Dllinjector.ini adheres to a standard key-value pair structure. The file is generally segmented into logical sections. In 2022, a RedLine Stealer variant used a