15 lines
824 B
Plaintext
15 lines
824 B
Plaintext
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rule TrojanDownloader_O97M_Emotet_ST_MTB{
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meta:
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description = "TrojanDownloader:O97M/Emotet.ST!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,05 00 05 00 05 00 00 "
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strings :
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$a_03_0 = {2e 43 72 65 61 74 65 28 [0-12] 90 05 0f 06 41 2d 5a 61 2d 7a 2c } //1
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$a_03_1 = {2c 20 4d 53 46 6f 72 6d 73 2c 20 54 65 78 74 42 6f 78 22 90 0c 02 00 50 72 69 76 61 74 65 20 53 75 62 20 44 6f 63 75 6d 65 6e 74 5f 6f 70 65 6e 28 29 [0-09] 46 6f 72 } //1
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$a_03_2 = {2e 43 6f 6e 74 72 6f 6c 54 69 70 54 65 78 74 20 2b 20 90 05 0f 06 41 2d 5a 61 2d 7a 2e } //1
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$a_03_3 = {4e 65 78 74 90 0c 02 00 4e 65 78 74 90 0c 02 00 53 65 74 } //1
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$a_03_4 = {3d 20 43 72 65 61 74 65 4f 62 6a 65 63 74 28 90 05 0f 06 41 2d 5a 61 2d 7a 29 } //1
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condition:
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((#a_03_0 & 1)*1+(#a_03_1 & 1)*1+(#a_03_2 & 1)*1+(#a_03_3 & 1)*1+(#a_03_4 & 1)*1) >=5
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} |