43 lines
3.3 KiB
Plaintext
43 lines
3.3 KiB
Plaintext
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rule TrojanDownloader_O97M_Emotet_RPE_MTB{
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meta:
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description = "TrojanDownloader:O97M/Emotet.RPE!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,0b 00 0b 00 04 00 00 01 00 "
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strings :
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$a_01_0 = {2e 43 72 65 61 74 65 4f 62 6a 65 63 74 28 22 57 73 63 22 20 26 20 22 72 69 70 74 2e 53 68 22 20 2b 20 73 31 20 2b 20 22 65 6c 6c 22 2c 20 22 22 29 2e 52 75 6e } //01 00 .CreateObject("Wsc" & "ript.Sh" + s1 + "ell", "").Run
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$a_01_1 = {73 65 72 76 69 63 65 2e 43 72 65 61 74 65 4f 62 6a 65 63 74 28 22 57 73 63 72 69 70 74 2e 53 68 65 6c 6c 22 2c 20 22 22 29 2e 52 75 6e } //05 00 service.CreateObject("Wscript.Shell", "").Run
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$a_01_2 = {43 65 77 63 43 65 77 6d 43 65 77 64 2e 43 65 77 65 43 65 77 78 43 65 77 65 20 2f 43 65 77 63 20 73 43 65 77 74 43 65 77 61 43 65 77 72 74 20 43 65 77 2f 43 65 77 42 43 65 77 20 43 65 77 70 43 65 77 6f 43 65 77 77 43 65 77 65 72 43 65 77 73 68 65 43 65 77 6c 43 65 77 6c } //05 00 CewcCewmCewd.CeweCewxCewe /Cewc sCewtCewaCewrt Cew/CewBCew CewpCewoCewwCewerCewsheCewlCewl
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$a_01_3 = {20 3d 20 52 65 70 6c 61 63 65 28 73 32 2c 20 22 43 65 77 22 2c 20 22 22 29 } //00 00 = Replace(s2, "Cew", "")
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condition:
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any of ($a_*)
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}
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rule TrojanDownloader_O97M_Emotet_RPE_MTB_2{
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meta:
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description = "TrojanDownloader:O97M/Emotet.RPE!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,03 00 03 00 03 00 00 01 00 "
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strings :
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$a_03_0 = {41 73 20 44 6f 75 62 6c 65 0d 0a 20 20 20 90 02 05 20 3d 20 22 90 02 10 63 90 02 10 6d 64 2e 90 02 10 65 90 02 10 78 65 20 90 02 10 2f 90 02 10 63 20 73 90 02 10 74 61 90 02 10 72 74 20 2f 90 02 10 42 20 70 6f 90 02 10 77 90 02 10 65 72 90 02 10 73 68 90 02 10 65 6c 90 02 10 6c 20 24 64 90 02 10 66 6b 6a 3d 22 22 24 90 02 10 73 74 90 02 10 72 73 3d 5c 22 22 68 90 02 10 74 90 02 10 74 70 3a 90 02 10 2f 90 02 10 2f 90 00 } //01 00
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$a_03_1 = {73 65 72 76 69 63 65 20 3d 20 43 72 65 61 74 65 4f 62 6a 65 63 74 28 22 57 73 63 22 20 2b 20 90 02 05 20 2b 20 22 72 69 70 74 2e 53 68 65 22 20 26 20 22 6c 6c 22 29 90 00 } //01 00
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$a_03_2 = {3d 20 52 65 70 6c 61 63 65 28 90 02 05 2c 20 22 90 02 10 22 2c 20 22 22 29 90 00 } //00 00
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condition:
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any of ($a_*)
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}
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rule TrojanDownloader_O97M_Emotet_RPE_MTB_3{
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meta:
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description = "TrojanDownloader:O97M/Emotet.RPE!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,01 00 01 00 08 00 00 01 00 "
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strings :
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$a_03_0 = {5c 57 69 6e 64 6f 77 73 5c 90 02 05 53 79 73 74 65 6d 33 32 5c 90 02 05 74 22 26 22 74 22 26 22 70 22 26 22 73 22 26 22 3a 90 00 } //01 00
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$a_03_1 = {5c 57 69 6e 64 6f 77 73 5c 90 02 05 53 79 73 74 65 6d 33 32 5c 90 02 05 74 22 26 22 74 70 22 26 22 73 3a 90 00 } //01 00
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$a_03_2 = {5c 57 69 6e 64 6f 77 73 5c 90 02 07 53 79 73 74 65 6d 33 32 5c 90 02 07 74 22 26 22 74 70 22 26 22 3a 2f 2f 90 00 } //01 00
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$a_03_3 = {5c 57 69 6e 64 6f 77 73 5c 90 02 07 53 79 73 74 65 6d 33 32 5c 90 02 07 74 22 26 22 74 22 26 22 70 3a 90 00 } //01 00
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$a_03_4 = {5c 57 69 6e 64 6f 77 73 5c 90 02 07 53 79 73 74 65 6d 33 32 5c 68 90 02 07 74 22 26 22 70 22 26 22 73 3a 90 00 } //01 00
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$a_03_5 = {5c 57 69 6e 64 6f 77 73 5c 90 02 07 53 79 73 74 65 6d 33 32 5c 68 90 02 07 74 22 26 22 70 3a 90 00 } //01 00
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$a_03_6 = {5c 57 69 6e 64 6f 77 73 5c 90 02 07 53 79 73 74 65 6d 33 32 5c 90 02 07 74 74 22 26 22 70 3a 90 00 } //01 00
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$a_03_7 = {5c 57 69 6e 64 6f 77 73 5c 90 02 07 53 79 73 74 65 6d 33 32 5c 90 02 07 74 74 22 26 22 70 22 26 22 90 00 } //00 00
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condition:
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any of ($a_*)
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} |