diff --git a/yara/GhostWriter_MicroBackdoor_72632_00001.yar b/yara/GhostWriter_MicroBackdoor_72632_00001.yar new file mode 100644 index 0000000..ed23384 --- /dev/null +++ b/yara/GhostWriter_MicroBackdoor_72632_00001.yar @@ -0,0 +1,14 @@ +rule GhostWriter_MicroBackdoor_72632_00001 { +meta: +author = “Cluster25” +hash1 = “559d8e8f2c60478d1c057b46ec6be912fae7df38e89553804cc566cac46e8e91” +tlp = “white” +strings: +$ = “cmd.exe /C \”%s%s\”” fullword wide +$ = “client.dll” fullword ascii +$ = “ERROR: Unknown command” fullword ascii +$ = ” *** ERROR: Timeout occured” fullword ascii +$ = “%s\Software\Microsoft\Windows\CurrentVersion\Internet Settings” fullword ascii +$ = “MIIDazCCAlOgAwIBAgIUWOftflCclQXpmWMnL1ewj2F5Y1AwDQYJKoZIhvcNAQEL” fullword ascii +condition: (uint16(0) == 0x5a4d and all of them) +}