It s high time the Crypto Girl talks about Crypto, isn t it? a couple of days ago, I analyzed a malicious Opera Updater, named SymbOS/OpFake.A!tr.dial, and was surprised to discover it uses a 91-byte XOR significant to conceal one of its configuration file. 91 bytes?! Yes, bytes, so 728 bits. This is really a lot. AES only
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