15 lines
1.2 KiB
Plaintext
15 lines
1.2 KiB
Plaintext
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rule TrojanDownloader_O97M_Emotet_SAH_MTB{
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meta:
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description = "TrojanDownloader:O97M/Emotet.SAH!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,05 00 05 00 05 00 00 01 00 "
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strings :
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$a_01_0 = {20 3d 20 22 5d 61 6e 22 20 2b 20 22 77 5b 33 72 6f 5d 61 6e 77 5b 33 5d 61 22 20 2b 20 22 6e 77 5b 33 63 65 5d 61 6e 77 5b 33 73 5d 61 6e 77 5b 33 73 5d 61 6e 77 5b 33 5d 61 6e 77 5b 33 22 } //01 00 = "]an" + "w[3ro]anw[3]a" + "nw[3ce]anw[3s]anw[3s]anw[3]anw[3"
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$a_01_1 = {20 3d 20 22 5d 61 6e 77 5b 33 3a 77 5d 61 6e 77 5b 33 5d 61 6e 77 5b 33 69 22 20 2b 20 22 6e 5d 61 6e 77 5b 33 33 5d 61 6e 77 5b 33 32 5d 61 6e 77 5b 33 5f 5d 61 6e 77 5b 33 22 } //01 00 = "]anw[3:w]anw[3]anw[3i" + "n]anw[33]anw[32]anw[3_]anw[3"
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$a_01_2 = {20 3d 20 22 77 5d 61 6e 77 5b 33 69 6e 5d 61 6e 77 5b 33 6d 5d 61 6e 22 20 2b 20 22 77 5b 33 67 6d 5d 61 6e 77 5b 33 74 5d 61 6e 77 5b 33 5d 61 6e 77 5b 33 22 } //01 00 = "w]anw[3in]anw[3m]an" + "w[3gm]anw[3t]anw[3]anw[3"
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$a_03_3 = {20 3d 20 52 65 70 6c 61 63 65 28 90 02 20 2c 20 22 5d 61 22 20 2b 20 22 6e 77 5b 33 22 2c 20 90 02 20 29 90 00 } //01 00
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$a_03_4 = {2e 43 72 65 61 74 65 20 90 02 20 28 90 02 20 29 2c 20 90 02 20 2c 90 00 } //00 00
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condition:
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any of ($a_*)
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} |