Christopher Del Fierro

X-Force IRIS Malware Reverse Engineer

Chris is a seasoned malware and threat researcher, certified system security engineer, MCP, and ethical hacker (CEHv5). Before joining IBM, Christopher was a senior virus analyst with G Data labs and worked with Trend Micro as a heuristics engineer prior to that. Christopher is one of the leasing malware reverse engineers at IBM Security's X-Force IRIS.

Malware March 15, 2022

CaddyWiper: Third wiper malware targeting Ukrainian organizations

3 min read - On March 1, 2022, ESET reported a third destructive data wiper variant used in attacks against Ukrainian organizations dubbed as CaddyWiper. CaddyWiper’s method of destruction is by overwriting file data with “NULL” values. This is the fourth sample of malware…

Malware February 24, 2022

New destructive malware used In cyber attacks on Ukraine

8 min read - This post was written with contributions from IBM Security X-Force’s Anne Jobmann, Claire Zaboeva and Richard Emerson. February 25, 2022 Update On February 24 2022, Symantec Enterprise reported a ransomware dubbed as PartyTicket was deployed alongside the HermeticWiper malware. IBM…

Advanced Threats January 8, 2020

From Mega to Giga: Cross-Version Comparison of Top MegaCortex Modifications

9 min read - MegaCortex seems to be looking for ways to improve, and with each version upgrading the previous release's functions, our team took a closer look at some of the highlights.

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Christopher Del Fierro

CaddyWiper: Third wiper malware targeting Ukrainian organizations

New destructive malware used In cyber attacks on Ukraine

From Mega to Giga: Cross-Version Comparison of Top MegaCortex Modifications

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Topic updates