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[原创]分析IDA の "消失"的导出Jni静态函数
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发表于:
2021-5-11 01:07
11492
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[原创]分析IDA の "消失"的导出Jni静态函数
案例:某小说APP
参数:sign
作者:Lunction
时间:2021年5月10日
1、Findcrypt3 插件识别常见的加密算法(准确度仅供参考)
2、推荐龙哥的强大的FRIDA识别Hash脚本插件 地址:https://github.com/Pr0214/findhash
3、IDA按 G 跳转到_ZN22MessageDigestAlgorithm4initEPKhj
4、最终的结果都是指向这里
POST
/
api
/
v1
/
login
/
index HTTP
/
1.1
net
-
env:
1
channel: qm
-
huawei65_lf
is
-
white:
0
platform: android
app
-
version:
51115
reg:
AUTHORIZATION:
qm
-
params: cLGZ4CG
-
uloLp3U1paHWHT9wgI9wgI9wthfLpqfQAIo5gaUzpzpztqpzpzp5Nh
-
Y4zHY43HjHSRUmqF5A5HwgI9wgI9wgaMMAI4wth4E4T
-
QgI9wgaMwgI9wNI9MpTHL4qf5taG
-
pCp14lfQmqF5A5HLgIHngIfwAhHnNI4eghozgh
-
Y4TR5pT0wphOMgyFrghFwAIG2pqHMNe0lpTuTgI0MgefUgI0YNeFEAIFlgLHjHzUx4LHWHT0wA
-
4nA
-
4LATKUA
-
pyATKlH5w5OE2etCp2O5HWHTK7g3rwH5w5u_GUOEk2paU1paHWH
-
kUg0kFFERsR
-
kMqoZE3zkluooTufuFchpYulQekMQamC2zmlxYN0UqgMdMRfuIqCRzk0RY3o1H3eFMc5JDOR
-
rcqJxRUsROCOluCpaR0JWtlN_BMGmRCO5taG1BqR1HTZ5gefrgIglgIKwgh0wNh4MH5w5BqJ
-
pqw5A5GshUNFHyJ7H_kxmqU2B5HjHSuj45U1BqR1HTZ5gefrgIglgIKwgh0wNh4MH5w5uln5tCR1paHWHTgUAI9eNT9rgI0ngIflNaHjHzNjmqR7uaU1paHWHzflpIgwNI9lgzR5ghfUNqH5taG5Ozo7paHWH
-
o7p_GDmqF5taGD4q2
-
HTZ5HSM
=
sign:
786226e3e984253bcf6d14a0cc4f3475
QM
-
it:
1620580746
QM
-
ii:
1969128767
no
-
permiss:
0
User
-
Agent: webviewversion
/
51115
Content
-
Type
: application
/
x
-
www
-
form
-
urlencoded
Content
-
Length:
124
Connection: Keep
-
Alive
Accept
-
Encoding: gzip
cancell_check
=
1
&encrypt_phone
=
ghgrgI9ngeKwgI9
=
&gender
=
2
&open_push
=
1
&
type
=
1
&verify
=
1111
&sign
=
5288f921bd48c316222ec51305b3f628
POST
/
api
/
v1
/
login
/
index HTTP
/
1.1
net
-
env:
1
channel: qm
-
huawei65_lf
is
-
white:
0
platform: android
app
-
version:
51115
reg:
AUTHORIZATION:
qm
-
params: cLGZ4CG
-
uloLp3U1paHWHT9wgI9wgI9wthfLpqfQAIo5gaUzpzpztqpzpzp5Nh
-
Y4zHY43HjHSRUmqF5A5HwgI9wgI9wgaMMAI4wth4E4T
-
QgI9wgaMwgI9wNI9MpTHL4qf5taG
-
pCp14lfQmqF5A5HLgIHngIfwAhHnNI4eghozgh
-
Y4TR5pT0wphOMgyFrghFwAIG2pqHMNe0lpTuTgI0MgefUgI0YNeFEAIFlgLHjHzUx4LHWHT0wA
-
4nA
-
4LATKUA
-
pyATKlH5w5OE2etCp2O5HWHTK7g3rwH5w5u_GUOEk2paU1paHWH
-
kUg0kFFERsR
-
kMqoZE3zkluooTufuFchpYulQekMQamC2zmlxYN0UqgMdMRfuIqCRzk0RY3o1H3eFMc5JDOR
-
rcqJxRUsROCOluCpaR0JWtlN_BMGmRCO5taG1BqR1HTZ5gefrgIglgIKwgh0wNh4MH5w5BqJ
-
pqw5A5GshUNFHyJ7H_kxmqU2B5HjHSuj45U1BqR1HTZ5gefrgIglgIKwgh0wNh4MH5w5uln5tCR1paHWHTgUAI9eNT9rgI0ngIflNaHjHzNjmqR7uaU1paHWHzflpIgwNI9lgzR5ghfUNqH5taG5Ozo7paHWH
-
o7p_GDmqF5taGD4q2
-
HTZ5HSM
=
sign:
786226e3e984253bcf6d14a0cc4f3475
QM
-
it:
1620580746
QM
-
ii:
1969128767
no
-
permiss:
0
User
-
Agent: webviewversion
/
51115
Content
-
Type
: application
/
x
-
www
-
form
-
urlencoded
Content
-
Length:
124
Connection: Keep
-
Alive
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最后于 2021-5-11 01:28
被Lunction编辑
,原因: