/* This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as long as you use it under this license. */ rule ransom_comodosec_mrcr1 { meta: author = " J from THL <j@techhelplist.com>" date = "2017/01" reference = "https://virustotal.com/en/file/75c82fd18fcf8a51bc1b32a89852d90978fa5e7a55281f42b0a1de98d14644fa/analysis/" version = 1 maltype = "Ransomware" filetype = "memory" strings: $text01 = "WebKitFormBoundary" $text02 = "Start NetworkScan" $text03 = "Start DriveScan" $text04 = "Start CryptFiles" $text05 = "cmd /c vssadmin delete shadows /all /quiet" $text06 = "isAutorun:" $text07 = "isNetworkScan:" $text08 = "isUserDataLast:" $text09 = "isCryptFileNames:" $text10 = "isChangeFileExts:" $text11 = "isPowerOffWindows:" $text12 = "GatePath:" $text13 = "GatePort:" $text14 = "DefaultCryptKey:" $text15 = "UserAgent:" $text16 = "Mozilla_" $text17 = "On Error Resume Next" $text18 = "Content-Disposition: form-data; name=\"uid\"" $text19 = "Content-Disposition: form-data; name=\"uname\"" $text20 = "Content-Disposition: form-data; name=\"cname\"" $regx21 = /\|[0-9a-z]{2,5}\|\|[0-9a-z]{2,5}\|\|[0-9a-z]{2,5}\|\|[0-9a-z]{2,5}\|/ condition: 10 of them }