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Comments (1)

nkbai avatar nkbai commented on May 20, 2024
  1. 首先建议使用SliceMode,而不是ConstStringMode,后者的分析深度有限。
{
    "ConstStringTest1": {
      "SliceMode": true,
      "traceDepth": 28,
      "desc": {
        "name": "test",
        "category": "ConstStringTest",
        "detail": "ConstStringTest",
        "wiki": "",
        "possibility": "4",
        "model": "middle"
      },
      "minLen": 2,
      "source": {
        "ConstString": [
            "android.telephony.TelephonyManager"
        ]
    },
    "sink": {
        "<com.example.test.util.test: * doTest()>": {
            "TaintCheck": [
                "p"
            ]
        }
    }
    }
  }
  1. 我分析了一下,发现iterator的next指针传播发生了中断, 需要在EngineConfig.json5中处理next函数的指针传播问题。
    具体来说就是在PointerFlowRule->MethodName中增加一项,我已经修改了EngineConfig.json5文件。
      "next": {
        "@this->ret": {
          "I": [
            "@this"
          ],
          "O": [
            "ret"
          ]
        },
        "@this.data->ret": {
          "I": [
            "@this.data"
          ],
          "O": [
            "ret"
          ]
        }
      },

EngineConfig.json5中的PointerFlowRule和VariableFlowRule非常强大,用于覆盖appshark的默认分析方式,可以根据自己的需要,自行调整。

from appshark.

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