Flipflop Loader Hash - Detect
ID: flipflop-ldr-malware-hash
Severity: info
Author: pussycat0x
Tags: malware,apt29,cobaltstrike
Description
Section titled “Description”A loader for the CobaltStrike malware family, which ultimately takes the first and second bytes of an embedded file, and flips them prior to executing the resulting payload.
YAML Source
Section titled “YAML Source”id: flipflop-ldr-malware-hashinfo: name: Flipflop Loader Hash - Detect author: pussycat0x severity: info description: A loader for the CobaltStrike malware family, which ultimately takes the first and second bytes of an embedded file, and flips them prior to executing the resulting payload. reference: - https://github.com/volexity/threat-intel/blob/main/2021/2021-05-27%20-%20Suspected%20APT29%20Operation%20Launches%20Election%20Fraud%20Themed%20Phishing%20Campaigns/indicators/yara.yar tags: malware,apt29,cobaltstrike
file: - extensions: - all
matchers: - type: dsl dsl: - "sha256(raw) == 'ee42ddacbd202008bcc1312e548e1d9ac670dd3d86c999606a3a01d464a2a330'" - "sha256(raw) == 'b041efb8ba2a88a3d172f480efa098d72eef13e42af6aa5fb838e6ccab500a7c'" - "sha256(raw) == 'ad67aaa50fd60d02f1378b4155f69cffa9591eaeb80523489a2355512cc30e8c'" condition: or# digest: 4a0a00473045022004b9e3cd4a4b77c616255d108621cd75b121eba838a94564a9d6ff5b2c7a32f00221009829aafd03d1b08e6872406561aa5b338c2630ad07bab458ce5ab19b3da2871b:922c64590222798bb761d5b6d8e72950Guide to check the vulnerabilities
Section titled “Guide to check the vulnerabilities”This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.
$ nuclei -u "URL" -t "file/malware/hash/flipflop-malware-hash.yaml"