New Iran drop from me tracking an attribution nightmare - UNK_SmudgedSerpent! A little Charming, a little Muddy, and a lot C5. Targeting policy experts with benign conversation starters, health-themed infra, OnlyOffice spoofs, and RMMs. Check out the full story www.proofpoint.com/us/blog/thre...
Proofpoint would like to thank Josh Miller for his initial research on UNK_SmudgedSerpent and contribution to this report. Key findings Between June and August 2025,