YARA TOOLKIT

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DEMO DEMO

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Analysis similar binaries Identify unique patterns strings, code... Build the rule with your findings Test on a cleaned dataset Deploy to the service of choice Monitor everything

Import Module pe, elf, hash, math, cuckoo, dotnet, time Rule Name Global rules, Private rules, Rule tags Metadata Author, Date, Description, Etc… Strings Text strings, Hexadecimal string, Regex Text Strings nocase, wide, fullword, xor(0x01-0xff), base64 Hexadecimal Wild-cards: { 00 ?2 A? }, Jump: { 3B [2-4] B4 }Alternatives: { F4 (B4 | 56) } REGEX Conditions Boolean operators, Arithmetic operators, Bitwise operators, Counting strings, Strings, offset https://blog.securitybreak.io/security-infographics-9c4d3bd891ef#18dd

memset(key, fillValue, sizeof(key)); memset(permutedArray, fillValue_1, sizeof(permutedArray)); for ( i = 0i64; i != 256; ++i ) { permutedArray[i] = i; key[i] = RC4key[(int)i % 12]; // '3jB(2bsG#@c7' } index1 = 0i64; index2 = 0; do { currentValue = permutedArray[index1]; index2 += key[index1] + currentValue; swapValue = permutedArray[index2]; permutedArray[index2] = currentValue; permutedArray[index1++] = swapValue; }

CVE-2021-1732 was a Local Privilege Escalation (LPE) exploit on Windows 10, exploited in the wild by the Bitter APT.

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Yara Documentation, Useful resources. Knowledge Base Embedding Retriever Putting the data in a multi dimensional vector Retrieve information from the database based on similarity RAG DocYara Help you understand how to use Yara Help you create your rule Help you refine your rule 👨‍⚕️ Retrieval Augmented Generation

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