Create Android_Backdoor_script.yar

Mobile_Malware/Android_Backdoor_script.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 koodous : official
+{
+	meta:
+		description = "Detects samples repackaged by backdoor-apk shell script"
+		Reference = "https://github.com/dana-at-cp/backdoor-apk"
+		
+	strings:
+		$str_1 = "cnlybnq.qrk" // encrypted string "payload.dex"
+
+	condition:
+		$str_1 and 
+		androguard.receiver(/\.AppBoot$/)		
+}