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Aircrack-ng has an option to save the passphrase to a text file.

Why did you go that route for the code?

Is it up to date? apt update && apt dist-upgrade, then reboot

Same issue.
dmesg output:

99.765057] brcmfmac: brcmf_vif_add_validate: Attempt to add a MONITOR interface...
[   99.772888] brcmfmac: brcmf_mon_add_vif: brcmf_mon_add_vif called
[   99.778995] brcmfmac: brcmf_mon_add_vif: Adding vif "wlan0mon"
[  116.719387] device wlan0mon entered promiscuous mode
[  125.095485] ieee80211 phy0: brcmf_fw_crashed: Firmware has halted or crashed
[  127.840585] brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout
[  127.846984] brcmfmac: brcmf_sdio_checkdied: firmware trap in dongle
[  127.853886] brcmfmac: dongle trap info: type 0x4 @ epc 0x0019ce1e
                 cpsr 0x0000019f spsr 0x000001bf sp 0x0025ff34
                 lr   0x0019b18d pc   0x0019ce1e offset 0x25fedc
                 r0   0x0023265c r1   0x0025ccdc r2 0x00000008 r3 0x0025c0d0
                 r4   0x0025c0d8 r5   0x0000ff5b r6 0x0019870c r7 0x0025c0d0

'm doing some tests related to information security, and I came across the following situation, I apologize if I'm posting this in the wrong place, any problems let me know and I'll fix it!

Researching about cracking WIFI passwords, I found the aircrack-ng suite of applications, and, after some time of study, I managed to complete the mission of finding the wifi password of my house xD

without further ado, below I detail my problem:

aircrack-ng manages to receive the password to be tested by parameter, my question is:

How to pass this parameter from a C# console application

I tried several ways but without success.

In my last attempt, out of desperation I used the sendmessage function, available in the user32.dll library of windows.

Obs: I'm using the compiled aircrack binaries for windows in the 1.6 version

Code: [Select]

class Program
{
    public const Int32 WM_COPYDATA = 0x4A;

    [DllImport("user32.dll")]
    static extern long SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
    [DllImport("user32.dll", CharSet = CharSet.Unicode)]
    static extern IntPtr FindWindow(string classname, string windowname);

    public static IntPtr IntPtrAlloc<T>(T param)
    {
        IntPtr retval = Marshal.AllocHGlobal(Marshal.SizeOf(param));
        Marshal.StructureToPtr(param, retval, false);
        return (retval);
    }

    public static void IntPtrFree(IntPtr preAllocated)
    {
        if (IntPtr.Zero == preAllocated) throw (new Exception("Go Home"));
        Marshal.FreeHGlobal(preAllocated); preAllocated = IntPtr.Zero;
    }

    public struct COPYDATASTRUCT
    {
        public IntPtr dwData;
        public int cbData;
        [MarshalAs(UnmanagedType.LPStr)]
        public string lpData;
    }


    static void Main()
    {
        string msg = "123456";
        var cds = new COPYDATASTRUCT
        {
            dwData = new IntPtr(3),
            cbData = msg.Length + 1,
            lpData = msg
        };
        IntPtr hWnd = FindWindow("ConsoleWindowClass", @"C:\WINDOWS\system32\cmd.exe aircrack-ng");
        IntPtr cdsBuffer = IntPtrAlloc(cds);
        SendMessage(hWnd, WM_COPYDATA, IntPtr.Zero, cdsBuffer);
    }
}
There is an application that currently does this, it's called crunch, it's basically a word generator. And can send this parameter to aircrack using the following command from the console:

Code: [Select]

crunch 8 8 0123456789 | aircrack-ng -a 2 my-handshake-capture.cap -b my-router-mac-addres -w -
where the last -is replaced in aircrack, by the parameter coming from crunch.

I searched about it in Crunch project available on github, but it's written on c language, and is more complexity for me. Can anyone help me? Thank you very much in advance!

The answer is similar to the one you linked. It's -1 because it just got a frame sent by a station, directed to the AP. The AP is way too far and you can't hear any frame sent by it, so we don't know what power levels it has.

found same answer and some answer here : https://forum.aircrack-ng.org/index.php?topic=1635.0

but my situation is different I got a good reading for the AP, and I can get a positive value for the channel using Kismet

Hi, I am new to WiFi and was trying to learn pentesting with the aircrack-ng suite.

In the following airodump-ng excerpt, any idea why airodump-ng is showing an access point with negative value -1 as channel?

airodump-ng excerpt displaying a negative channel value for one line enclosed picture,

The AP seems to be hidden but I got a reasonable PWR reading  , as opposed to the ones with PWR = -1 descripted in Airodump-ng -1 DB networks: https://security.stackexchange.com/questions/109362/airodump-ng-1-db-networks

In this specific hypothetical situation, are you allowed to test this network?

So if I was trying to crack a network with a username and a password for sign-in, (assuming I already had a username), how would I set that up? In this purely hypothetical situation, I also have another account on this network that I have the password to, if that helps. Thanks!

Nothing wrong. You need to provide it.