Jean-Pierre LESUEUR (DarkCoderSc)
Lead Developer / Malware Researcher at Phrozen

With over 15 years of experience in Information Technology, I am a seasoned Security Researcher, Penetration Tester and Malware Researcher/Reverse Engineer. My expertise extends to development, proficient in languages such as C#, Python, Pascal/Delphi, and Assembly x86. In 2014, I founded PHROZEN, a venture dedicated to creating innovative cybersecurity solutions. My commitment lies in safeguarding our digital future, continuously advancing in knowledge and developing cutting-edge security measures.


Contributed Techniques
Contributed Code Snippets
Technique Language Creation Date
APC injection FASM32 2 months
Reflective DLL injection Delphi 8 months
SMB / Named Pipes Delphi 10 months, 3 weeks
SMB / Named Pipes C# 10 months, 3 weeks
Right-to-Left Override (RLO) Extension Spoofing PowerShell 11 months, 2 weeks
C2 via FTP(S) Delphi 1 year, 1 month
C2 via FTP(S) C# 1 year, 1 month
Shortcut Hiding Python 1 year, 7 months
APC injection Delphi 1 year, 10 months
APC injection Delphi 1 year, 10 months
Indicator Removal: Timestomp C# 1 year, 11 months
Process Hollowing, RunPE Delphi 2 years
ProcEnvInjection - Remote code injection by abusing process environment strings Delphi 2 years, 1 month
DLL Injection via CreateRemoteThread and LoadLibrary Delphi 2 years, 1 month
Checking Mouse Activity Delphi 2 years, 1 month
Detecting Mac Address C# 2 years, 1 month
NtQueryInformationProcess Delphi 2 years, 1 month
NtQueryInformationProcess C# 2 years, 1 month
File Melt C# 2 years, 1 month
File Melt Delphi 3 years, 5 months
Detecting Active Services Delphi 3 years, 5 months
NTFS Files Attributes Delphi 3 years, 7 months
Code Cave Python 3 years, 8 months
NtQueryObject Delphi 3 years, 9 months
NtSetInformationThread Delphi 3 years, 10 months
IsDebuggerPresent Delphi 3 years, 10 months
NtSetDebugFilterState Delphi 3 years, 10 months
OutputDebugString Delphi 3 years, 10 months
SuspendThread Delphi 3 years, 10 months
Detecting Window with FindWindow API Delphi 3 years, 10 months
Detecting Window with FindWindow API Python 3 years, 10 months
IsDebugged Flag Delphi 3 years, 11 months