14 lines
717 B
Plaintext
14 lines
717 B
Plaintext
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rule Trojan_O97M_DowMShta_A{
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meta:
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description = "Trojan:O97M/DowMShta.A,SIGNATURE_TYPE_CMDHSTR_EXT,0a 00 0a 00 04 00 00 "
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strings :
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$a_80_0 = {63 6d 64 20 2f 63 20 6d 5e 73 68 5e 74 5e 61 20 68 5e 74 74 5e 70 5e 3a 2f 5e 2f } //cmd /c m^sh^t^a h^tt^p^:/^/ 10
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$a_80_1 = {63 6d 64 20 2f 63 20 6d 73 5e 68 5e 74 61 20 68 74 5e 74 70 3a 2f 5e 2f } //cmd /c ms^h^ta ht^tp:/^/ 10
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$a_80_2 = {73 74 61 72 74 20 6d 73 5e 68 5e 74 61 20 68 74 5e 74 70 3a 2f 5e 2f } //start ms^h^ta ht^tp:/^/ 10
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$a_80_3 = {6d 73 68 74 61 20 68 74 74 70 3a 2f 2f 30 78 62 39 30 37 64 36 30 37 2f } //mshta http://0xb907d607/ 10
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condition:
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((#a_80_0 & 1)*10+(#a_80_1 & 1)*10+(#a_80_2 & 1)*10+(#a_80_3 & 1)*10) >=10
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} |