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.
Overview of Content Published in July
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Here is an overview of content I published in July: Blog posts: Quickpost:
Doorbell & Condensation Quickpost: 12V Portable Power Station SANS ISC
Diary ent...
3 weeks ago