15 lines
810 B
Plaintext
15 lines
810 B
Plaintext
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rule TrojanDownloader_O97M_Obfuse_PAL_MTB{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.PAL!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,07 00 07 00 05 00 00 "
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strings :
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$a_01_0 = {68 74 74 70 3a 2f 2f 62 6c 6f 67 2e 76 6f 6b 61 73 69 64 65 76 2e 63 6f 6d 2f 63 72 75 6e 32 30 2e 67 69 66 } //4 http://blog.vokasidev.com/crun20.gif
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$a_01_1 = {68 74 74 70 3a 2f 2f 6a 61 62 62 61 2e 66 75 6e 2f 63 72 75 6e 32 30 2e 67 69 66 } //4 http://jabba.fun/crun20.gif
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$a_01_2 = {55 52 4c 44 6f 77 6e 6c 6f 61 64 54 6f 46 69 6c 65 41 } //1 URLDownloadToFileA
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$a_03_3 = {43 3a 5c 43 4f 73 75 76 5c [0-10] 5c [0-15] 2e 65 78 65 } //1
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$a_01_4 = {53 68 65 6c 6c 45 78 65 63 75 74 65 41 } //1 ShellExecuteA
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condition:
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((#a_01_0 & 1)*4+(#a_01_1 & 1)*4+(#a_01_2 & 1)*1+(#a_03_3 & 1)*1+(#a_01_4 & 1)*1) >=7
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} |