DefenderYara/Exploit/O97M/CVE-2017-11882/Exploit_O97M_CVE-2017-11882...

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rule Exploit_O97M_CVE-2017-11882_CP_MTB{
meta:
description = "Exploit:O97M/CVE-2017-11882.CP!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,03 00 03 00 03 00 00 "
strings :
$a_03_0 = {53 75 62 20 41 75 74 6f 5f 4f 70 65 6e 28 29 90 0c 02 00 73 64 66 73 64 66 20 3d 20 73 64 66 73 64 66 20 2b 20 22 63 66 74 36 79 67 76 63 72 34 72 63 76 66 67 79 75 20 3d 20 22 22 } //1
$a_03_1 = {2b 20 76 62 43 72 4c 66 20 27 [0-10] 73 64 66 73 64 66 20 3d 20 73 64 66 73 64 66 20 2b 20 22 63 66 74 36 79 67 76 63 72 34 72 63 76 66 67 79 75 20 3d 20 22 22 } //1
$a_01_2 = {2b 20 22 22 62 61 22 22 22 20 2b 20 76 62 43 72 4c 66 20 27 } //1 + ""ba""" + vbCrLf '
condition:
((#a_03_0 & 1)*1+(#a_03_1 & 1)*1+(#a_01_2 & 1)*1) >=3
}