01
20 July 2026 · 17 min read
HOLLOWGRAPH Hides Malware C2 in Microsoft 365 Calendars
HOLLOWGRAPH uses Microsoft Graph, 2050 calendar events and DNS tunneling for C2 and exfiltration. Review confirmed TTPs, IOCs and detection.
Topic · 4 articles
Malware
All articles in the Malware category on the Breachroad blog: analyses, guides and recommendations for businesses.
PUBLISHING STANDARD TECHNICAL RESEARCH AND ANALYSIS
- AuthorNamed technical practitioner
- BasisDate and primary sources
- PurposeConcrete defensive action
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02
19 July 2026 · 16 min read
GigaWiper: Inside the Destructive Windows Backdoor
GigaWiper combines remote access, espionage and three data-destruction paths. Review confirmed IOCs, detection logic and a Windows recovery plan.
03
10 July 2026 · 9 min read
Operation Endgame disrupts three major malware networks
Operation Endgame targeted 326 servers and 142 domains linked to SocGholish, Amadey and StealC. What the action achieved and defenders should do.
04
11 June 2026 · 10 min read
Infostealers: the malware that steals all your passwords
Infostealers are the most common malware stealing passwords, cookies and wallets. How they infect, why they bypass MFA and how to protect yourself.
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