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In this video I’m going to explain how to replace a short-length text with a longer text without breaking the length limit
For example inside a library file like
libapp.so there is a string such as
🧵 "Hello Profile" (length = short)
But I need to change it to
🧵 "Hello Profile I'm Premium" (longer string)
The problem is that we cannot directly increase the string size because it may break the memory layout or cause instability in the code
So instead I try to locate where the original string "Hello Profile" is being used, and then redirect its reference to another memory location that contains a longer string.
In this way I can display a bigger string without directly breaking the original length limitation, and the application still runs smoothly without crashing or damaging the structure
My old videos
#2023
For example inside a library file like
libapp.so there is a string such as
🧵 "Hello Profile" (length = short)
But I need to change it to
🧵 "Hello Profile I'm Premium" (longer string)
The problem is that we cannot directly increase the string size because it may break the memory layout or cause instability in the code
So instead I try to locate where the original string "Hello Profile" is being used, and then redirect its reference to another memory location that contains a longer string.
In this way I can display a bigger string without directly breaking the original length limitation, and the application still runs smoothly without crashing or damaging the structure
My old videos
#2023
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(AI) MT Manager MCP
Tutorial How to use the MT Manager MCP Server for modding this feature is crazy you can analyze any encrypted app using an AI agent with MT Manager. 😂
Tutorial By - @RevDex
Tutorial How to use the MT Manager MCP Server for modding this feature is crazy you can analyze any encrypted app using an AI agent with MT Manager. 😂
Tutorial By - @RevDex
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🐱 Announcement
UnManager is ready for production Tomorrow I will release the final version at a very low price. It will include an MCP server and next level lib.so analysis features
Old preview >
https://t.me/RevDex/604
All copyright ©️
https://github.com/capstone-engine/capstone
https://github.com/keystone-engine/keystone
Efl Queen - Unknown sources
https://github.com/radareorg/radare2 ( Core Framework)
https://github.com/modelcontextprotocol/servers
More more ..........
UnManager is ready for production Tomorrow I will release the final version at a very low price. It will include an MCP server and next level lib.so analysis features
Old preview >
https://t.me/RevDex/604
All copyright ©️
https://github.com/capstone-engine/capstone
https://github.com/keystone-engine/keystone
Efl Queen - Unknown sources
https://github.com/radareorg/radare2 ( Core Framework)
https://github.com/modelcontextprotocol/servers
More more ..........
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https://github.com/ispointer/RePairip/releases/tag/1.5.20
New version includes Lazy Mode (Root Mode)
You can run it like this
The -r option enables Root Mode
If you want to use this feature you must run RePairip with root privileges first grant root access to Termux Then move both RePairip.jar and your Pairip protected apks into the same Termux directory
After that run the command with the -r option
RePairip will then perform the required operations using root permissions
New version includes Lazy Mode (Root Mode)
You can run it like this
java -jar RePairip.jar -i app.apks -r The -r option enables Root Mode
If you want to use this feature you must run RePairip with root privileges first grant root access to Termux Then move both RePairip.jar and your Pairip protected apks into the same Termux directory
After that run the command with the -r option
java -jar RePairip.jar -i app.apks -r RePairip will then perform the required operations using root permissions
GitHub
Release RePairip 1.5.20 · ispointer/RePairip
Contribute to ispointer/RePairip development by creating an account on GitHub.
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RSA Key Protection Reverse Engineering
RSA Key reverseable? I got my answer after analyzing VPhoneOS 5.0.5. After modifying the APK, the application immediately detected the changes Then I started investigating the security mechanism. I found that the app uses RSA based integrity verification The APK contains an embedded RSA public key Protected data is signed by the developer using a private RSA key At runtime the app verifies the signature using the embedded public key If any protected file DEX resource, or library is modified the verification fails Once verification fails, the application knows the APK has been tampered
with That's exactly why my modified APK was detected.During analysis, I found classes such as These classes are commonly used for RSA signature verification and integrity checks Simple protection but still very effective against APK modification and repackaging
RSA Key reverseable? I got my answer after analyzing VPhoneOS 5.0.5. After modifying the APK, the application immediately detected the changes Then I started investigating the security mechanism. I found that the app uses RSA based integrity verification The APK contains an embedded RSA public key Protected data is signed by the developer using a private RSA key At runtime the app verifies the signature using the embedded public key If any protected file DEX resource, or library is modified the verification fails Once verification fails, the application knows the APK has been tampered
with That's exactly why my modified APK was detected.During analysis, I found classes such as These classes are commonly used for RSA signature verification and integrity checks Simple protection but still very effective against APK modification and repackaging
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