script: add sample deobf by code script (#1706)

2022-10-28 15:48:17 +01:00
parent 745f46f81f
commit 98cc1b1022
2 changed files with 39 additions and 1 deletions
@@ -0,0 +1,38 @@
+/*
+ Rename method if specific string is found
+*/
+
+import jadx.api.plugins.input.insns.Opcode
+import jadx.core.dex.nodes.MethodNode
+
+val renamesMap  = mapOf(
+	"specificString" to "newMethodName",
+	"AA6" to "aa6Method"
+)
+
+val jadx = getJadxInstance()
+
+var n = 0
+jadx.rename.all { _, node ->
+	var newName : String? = null
+	if (node is MethodNode) {
+		// use quick instructions scanner
+		node.codeReader?.visitInstructions { insn ->
+			if (insn.opcode == Opcode.CONST_STRING) {
+				insn.decode()
+				val constStr = insn.indexAsString
+				val renameStr = renamesMap[constStr]
+				if (renameStr != null) {
+					log.info { "Found '$constStr' in method $node, renaming to '$renameStr'" }
+					newName = renameStr
+					n++
+				}
+			}
+		}
+	}
+	newName
+}
+
+jadx.afterLoad {
+	log.info { "Script '$scriptName' renamed $n methods" }
+}