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 July
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Here is an overview of content I published in July: SANS ISC Diary entries:
Wireshark 4.6.7 Released zipdump.py: Metadata Encoding
1 week ago
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