Create Android_Spywaller.yar

Mobile_Malware/Android_Spywaller.yar

+/*
+    This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as    long as you use it under this license.
+*/
+
+/*
+	Androguard module used in this rule file is under development by people at https://koodous.com/.
+
+	You can get it, along with installation instructions, at https://github.com/Koodous/androguard-yara
+*/
+import "androguard"
+
+
+rule android_spywaller
+{
+	meta:
+		description = "Rule for detection of Android Spywaller samples"
+		sample = "7b31656b9722f288339cb2416557241cfdf69298a749e49f07f912aeb1e5931b"
+		source = "http://blog.fortinet.com/post/android-spywaller-firewall-style-antivirus-blocking"
+
+	strings:
+		$str_1 = "droid.png"
+		$str_2 = "getSrvAddr"
+		$str_3 = "getSrvPort"		
+		$str_4 = "android.intent.action.START_GOOGLE_SERVICE"
+
+	condition:
+		androguard.certificate.sha1("165F84B05BD33DA1BA0A8E027CEF6026B7005978") or
+		androguard.permission(/android.permission.INTERNET/) and
+		androguard.permission(/android.permission.READ_PHONE_STATE/) and 
+		all of ($str_*)
+}