We added support for detecting executables ciphered with bitwise shift ciphers - ROR (shift right) and ROL (shift left) which was first reported from a sample from Mila's blog (contagiodump). Bitwise shifts are similar to multiple or division by 2's. This sample used a shift left of one position (rol 1) along with a 256byte XOR key.
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Overview of Content Published In May
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Here is an overview of content I published in May: Blog posts: Gzip
Decompression Via Pipes Quickpost: Internet Zone IDs Crack A ZIP Password,
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3 weeks ago
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