crypt32dll_nsa_vulnerability_cve20200601

Description

This rule detect vulnerable CRYPT32.DLL library in your environment. NSA has discovered a critical vulnerability (CVE-2020-0601) affecting Microsoft Windows® cryptographic functionality. License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md.

Query · yara_l

events:
($selection.metadata.product_event_type = "7" and ($selection.target.file.md5 = "E832E3A58B542E15A169B1545CE82451ACE19BD361FD81764383048528F9B540" or $selection.target.file.md5 = "1676DE3980DF1D78E14B172989916570"))

  condition:
    $selection
Raw source crypt32dll_nsa_vulnerability_cve20200601 · YARA-L
Esc
Published by chronicle/detection-rules ↗, licensed under Apache 2.0 ↗. Reproduced here unmodified. 
rule crypt32dll_nsa_vulnerability_cve20200601 {
 meta:
    author = "Furkan Celik"
    description = "This rule detect vulnerable CRYPT32.DLL library in your environment. NSA has discovered a critical vulnerability (CVE-2020-0601) affecting Microsoft Windows® cryptographic functionality.  License: https://github.com/Neo23x0/sigma/blob/master/LICENSE.Detection.Rules.md."
    reference = "https://tdm.socprime.com/tdm/info/lkL9ieGgDGAC"
    version = "0.01"
    created = "2021-03-09"
    product = "windows"
    service = "security"
    mitre = "execution, T1022"

  events:
($selection.metadata.product_event_type = "7" and ($selection.target.file.md5 = "E832E3A58B542E15A169B1545CE82451ACE19BD361FD81764383048528F9B540" or $selection.target.file.md5 = "1676DE3980DF1D78E14B172989916570"))

  condition:
    $selection
}

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