Kioptrix 2: Why netcat reverse shell executed in web browser via command injection bug doesn’t work?

I’ve completed kioptrix level 2 challenge via sql injection, command injection, bash reverse shell, and local privilege escalation as part of my OSCP preparation.

https://www.vulnhub.com/entry/kioptrix-level-11-2,23/

; bash -i >& … Continue reading Kioptrix 2: Why netcat reverse shell executed in web browser via command injection bug doesn’t work?

Why doesn’t my LoadLibraryA (LLA) hook prevent a dll injection that uses CreateRemoteThread + LLA?

According to this answer, DLL injection through CreateRemoteThread in conjunction with LoadLibraryA can be prevented by hooking LoadLibraryA. I went through the effort of doing an actual implementation of both the attacking side and defend… Continue reading Why doesn’t my LoadLibraryA (LLA) hook prevent a dll injection that uses CreateRemoteThread + LLA?

Is SerializationException sign of Serialization/Deserialization vulnerability?

I am doing a bug bounty. I intercepted the POST request to the inscription in the target website. I modified the first name and last name POST params to inject bad char (in order to SQL inject) but the API/Registration service sends me a r… Continue reading Is SerializationException sign of Serialization/Deserialization vulnerability?