Steeve Gaudreault

Steeve Gaudreault is a Senior Threat Researcher at SophosLabs. His areas of expertise include malware reverse engineering, C2 protocol analysis, generating detection rules and configuration extractors.

Conteúdo por Steeve Gaudreault

Inside Shanya, a packer-as-a-service fueling modern attacks

Threat Research

EDR killer

featured

packer

Ransomware

shanya

SophosLabs

Inside Shanya, a packer-as-a-service fueling modern attacks

December 6, 2025

Threat Research

blind spider

featured

heartcrypt

packer

Service

HeartCrypt’s wholesale impersonation effort

September 26, 2025

A person, face obscured, behind a sheet of yellow paper. A torn gap in the paper shows the person putting both hands to their ear as though trying to hear something.

Threat Research

avkiller

EDR killer

featured

heartcrypt

RansomHub

Sophos X-Ops

Shared secret: EDR killer in the kill chain

August 6, 2025

people holding up signs with a question mark on them

Security Operations

Threat Research

binaries

featured

impersonation

Sophos X-Ops

Malware campaign attempts abuse of defender binaries

April 26, 2024

Corona,Virus,Outbreak.,Epidemic,Virus,Protection,Concept.

Threat Research

featured

Qakbot

Qbot

Security Operations

webinjects

Qakbot injects itself into the middle of your conversations

March 10, 2022