14 lines
812 B
Plaintext
14 lines
812 B
Plaintext
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rule TrojanDownloader_O97M_Donoff_TR_MTB{
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meta:
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description = "TrojanDownloader:O97M/Donoff.TR!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 "
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strings :
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$a_01_0 = {69 20 22 74 22 2c 20 22 63 6d 64 20 2f 73 20 2f 6b 20 22 } //1 i "t", "cmd /s /k "
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$a_01_1 = {22 2e 68 22 20 26 20 62 72 46 6f 72 50 72 6f 63 20 26 20 22 61 22 } //1 ".h" & brForProc & "a"
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$a_01_2 = {52 65 70 6c 61 63 65 28 66 75 6e 63 46 6f 72 2c 20 22 6b 6b 6c 6b 22 2c 20 76 62 4e 75 6c 6c 53 74 72 69 6e 67 29 } //1 Replace(funcFor, "kklk", vbNullString)
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$a_01_3 = {43 61 6c 6c 20 56 42 41 2e 53 68 65 6c 6c 28 69 44 65 66 69 6e 65 48 74 6d 6c 20 26 20 62 72 46 6f 72 50 72 6f 63 29 } //1 Call VBA.Shell(iDefineHtml & brForProc)
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condition:
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((#a_01_0 & 1)*1+(#a_01_1 & 1)*1+(#a_01_2 & 1)*1+(#a_01_3 & 1)*1) >=4
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} |