Who remembers the worm Melissa[1]? It started to spread in March 1999! In information security, it looks like speaking about¬†prehistory but I spotted a VBA macro that tried to use the same defensive technique as Melissa. Yes, back in 1999, attackers already tried to use techniques to defeat users’ protections. The sample macro has a low VT score (7/44) (SHA256:386e1a60011ff0a818adff8c638005ec5015930c1b35d06cacc11f3ab53725d0)[2].

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