16 lines
931 B
Plaintext
16 lines
931 B
Plaintext
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rule Backdoor_Win32_Chafesi_A{
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meta:
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description = "Backdoor:Win32/Chafesi.A,SIGNATURE_TYPE_PEHSTR_EXT,06 00 06 00 06 00 00 "
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strings :
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$a_01_0 = {73 61 63 61 72 69 70 73 00 } //2
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$a_01_1 = {5c 00 55 00 73 00 65 00 72 00 20 00 41 00 67 00 65 00 6e 00 74 00 5c 00 50 00 6f 00 73 00 74 00 20 00 50 00 6c 00 61 00 74 00 66 00 6f 00 72 00 6d 00 5c 00 61 00 62 00 63 00 3a 00 00 00 } //2
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$a_01_2 = {3a 00 63 00 62 00 61 00 00 00 } //1
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$a_01_3 = {67 72 61 62 61 72 61 72 63 68 69 76 6f 00 } //1 牧扡牡牡档癩o
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$a_03_4 = {6a 68 52 ff d6 8d 85 ?? ?? ff ff 6a 6f 50 ff d6 8d 8d ?? ?? ff ff 6a 73 51 ff d6 8d 95 ?? ?? ff ff 6a 74 52 ff d6 8d 85 ?? ?? ff ff 6a 73 } //1
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$a_03_5 = {6a 38 50 ff d6 8d 8d ?? ?? ff ff 6a 39 51 ff d6 8d 95 ?? ?? ff ff 6a 2b 52 ff d6 8d 85 ?? ?? ff ff 6a 2f } //1
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condition:
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((#a_01_0 & 1)*2+(#a_01_1 & 1)*2+(#a_01_2 & 1)*1+(#a_01_3 & 1)*1+(#a_03_4 & 1)*1+(#a_03_5 & 1)*1) >=6
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} |