APT_APT29_sorefang_directory_enumeration_output_strings

rule APT_APT29_sorefang_directory_enumeration_output_strings { 
   meta:
      description = "Rule to detect SoreFang based on formatted string output for directory enumeration"
      author = "NCSC"
      reference = "https://www.ncsc.gov.uk/news/advisory-apt29-targets-covid-19-vaccine-development"
      hash = "58d8e65976b53b77645c248bfa18c3b87a6ecfb02f306fe6ba4944db96a5ede2"
      id = "e24dbda1-3d43-52a7-9249-70a648f4913e"
   strings:
      $ = "----------All usres directory----------" 
      $ = "----------Desktop directory----------"
      $ = "----------Documents directory----------"
   condition:
      (uint16(0) == 0x5A4D and uint16(uint32(0x3c)) == 0x4550) 
      and 2 of them 
}