![]() ![]() ParamString = new String( new BigInteger(paramString, 16).xor(localBigInteger).toByteArray()) Public static String b(String paramString)īigInteger localBigInteger = new BigInteger( "0933910847463829232312312") ParamString = new BigInteger(paramString.getBytes()) Shenzhenshihong Bo, and their webpage is here: Let’s reverse thenįirst thing,I’ve noticed after decompilation of APK’s Java classes is: public static String a(String paramString) Just for completeness, below is the name and webpage of suspected vendor of the stuff, I found accidentally: Albert Technology Co., Ltd. In apk downloaded from and, everything seem to be fine.īelow are the links, I’ve used in comparison: In favor of the second option is the fact that Java code of only the China edition is heavily bloated and usual decompilers cannot reverse the code properly, so somebody tried to make reverse engineer’s life harder. There is special edition for Chinese, with few surprises.Google Play app is not supported by vendor anymore.For me there are two possible reason for that: ![]() Searching other shops for the same name leaded to exactly the same application (shared objects included matches), but older version (1.0.25) and in their case virustotal stopped complaining. Usual virustotal gives me this: Results of virustotal scan of original link Let’s reverse engineer the thing first! OSINTīefore I begun my reverse engineering, I attempted to ask uncle Google (and his friends □ ) to gain some knowledge. ![]() calls home, despite having no need to open a single socket and then sending data like IMEI, IMSI, MAC addresses and so on, red lamp turned on and I said to myself: stop. What is worse, the link leads to some Chinese app shop, obviously with only one language available (notice the version – 1.0.33, as it is not the only one in the wild): Īs I’ve already seen apps that i.e. Just after unboxing, one detail seemed a bit suspicious to me: together with the camera there comes a link to Android app, that is meant to control the camera. Lately, I bought some random, noname spy camera from usual Chinese sources. ![]()
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