cs_file_decrypt's Introduction

CrackSleeve

破解CS4.0

UseAge

将cobaltstrike.jar和CrackSleeve.java放一起
编译(javac -encoding UTF-8 -classpath cobaltstrike.jar CrackSleeve.java)
解密文件(java -classpath cobaltstrike.jar;./ CrackSleeve decode)
自定义16位字符串加密文件(java -classpath cobaltstrike.jar;./ CrackSleeve encode CustomizeString)
将解密后的sleeve文件夹替换jar包中的文件夹

UseAge: CrackSleeve OPTION [key]
Options:
	decode		Decode sleeve files
	encode		Encode sleeve files
	key		Customize key string for encode sleeve files

Change Encode

有些字节是不可见的被当做key，为了方便传参，使用base64 或者 hex

    public static byte[] hex2bytes(String var0) {
        int var1 = var0.length();
        byte[] var2 = new byte[var1 / 2];

        for(int var3 = 0; var3 < var1; var3 += 2) {
            var2[var3 / 2] = (byte)((Character.digit(var0.charAt(var3), 16) << 4) + Character.digit(var0.charAt(var3 + 1), 16));
        }

        return var2;
    }

原

//            CustomizeKey = CustomizeKeyStr.substring(0,16).getBytes();

修改后：

CustomizeKey = hex2bytes(CustomizeKeyStr.substring(0,32));

Encode

$ java -cp cobaltstrike.jar:. CrackSleeve encode

[-] Please enter key.
[-] Example: 
[*] Random_Keys= [4, -7, -40, -75, 75, -18, 6, -82, 0, -68, -29, 36, 109, -37, -99, 36]
[*] Random_Keys Hash =>> 04f9d8b54bee06ae00bce3246ddb9d24
[*] $ java -cp cobaltstrike.jar:. CrackSleeve encode 04f9d8b54bee06ae00bce3246ddb9d24

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