14 lines
499 B
Plaintext
14 lines
499 B
Plaintext
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rule TrojanDownloader_O97M_Obfuse_CU{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.CU,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 "
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strings :
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$a_03_0 = {53 75 62 20 77 28 [0-10] 29 } //1
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$a_02_1 = {44 69 6d 20 [0-10] 28 29 20 41 73 20 42 79 74 65 } //1
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$a_01_2 = {3d 20 22 73 68 65 6c 6c 2e 65 78 65 20 22 } //1 = "shell.exe "
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$a_02_3 = {53 68 65 6c 6c 20 [0-10] 28 29 20 5f } //1
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condition:
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((#a_03_0 & 1)*1+(#a_02_1 & 1)*1+(#a_01_2 & 1)*1+(#a_02_3 & 1)*1) >=4
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} |