14 lines
529 B
Plaintext
14 lines
529 B
Plaintext
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rule Backdoor_Win32_Begman_B{
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meta:
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description = "Backdoor:Win32/Begman.B,SIGNATURE_TYPE_PEHSTR_EXT,09 00 09 00 04 00 00 "
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strings :
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$a_01_0 = {77 75 73 61 20 2f 71 75 69 65 74 20 } //3 wusa /quiet
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$a_01_1 = {2c 4d 61 69 6e 42 65 67 69 6e } //2 ,MainBegin
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$a_01_2 = {73 68 65 6c 6c 5c 45 78 70 6c 6f 72 65 5c 63 6f 6d 6d 61 6e 64 3d } //2 shell\Explore\command=
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$a_01_3 = {65 78 70 61 6e 64 20 2d 72 20 } //2 expand -r
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condition:
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((#a_01_0 & 1)*3+(#a_01_1 & 1)*2+(#a_01_2 & 1)*2+(#a_01_3 & 1)*2) >=9
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} |