15 lines
1.0 KiB
Plaintext
15 lines
1.0 KiB
Plaintext
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rule TrojanDownloader_O97M_Emotet_SAN_MTB{
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meta:
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description = "TrojanDownloader:O97M/Emotet.SAN!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,05 00 05 00 05 00 00 "
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strings :
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$a_03_0 = {45 6e 64 20 49 66 [0-15] 3a [0-20] 20 3d 20 22 [0-25] 22 [0-20] 20 3d 20 22 [0-20] 72 6f [0-20] 63 65 [0-20] 73 [0-20] 73 [0-20] 22 } //1
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$a_03_1 = {45 6e 64 20 49 66 [0-15] 3a [0-20] 20 3d 20 22 [0-15] 3a 77 [0-15] 69 6e [0-15] 33 [0-15] 32 [0-15] 5f [0-15] 22 } //1
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$a_03_2 = {45 6e 64 20 49 66 [0-15] 3a [0-20] 20 3d 20 22 77 [0-15] 69 6e [0-15] 6d [0-15] 67 6d [0-15] 74 [0-15] 22 } //1
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$a_03_3 = {45 6e 64 20 46 75 6e 63 74 69 6f 6e 90 0c 02 00 46 75 6e 63 74 69 6f 6e 20 [0-20] 28 [0-20] 29 [0-20] 20 3d 20 52 65 70 6c 61 63 65 28 [0-20] 2c 20 22 [0-15] 22 2c 20 [0-20] 29 } //1
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$a_03_4 = {45 6e 64 20 46 75 6e 63 74 69 6f 6e 90 0c 02 00 46 75 6e 63 74 69 6f 6e 20 [0-20] 28 [0-20] 29 90 0c 02 00 4f 6e 20 45 72 72 6f 72 20 52 65 73 75 6d 65 20 4e 65 78 74 } //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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} |