13 lines
633 B
Plaintext
13 lines
633 B
Plaintext
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rule Backdoor_Win32_Cryshot_A{
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meta:
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description = "Backdoor:Win32/Cryshot.A,SIGNATURE_TYPE_PEHSTR_EXT,0c 00 0c 00 03 00 00 "
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strings :
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$a_01_0 = {74 61 6b 65 73 63 72 65 65 6e 73 68 6f 74 3a 3a 64 6f 6e 65 20 73 63 72 65 65 6e 73 68 6f 74 20 69 6e 20 6d 65 6d 6f 72 79 } //1 takescreenshot::done screenshot in memory
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$a_01_1 = {6d 61 69 6e 3a 3a 66 61 69 6c 65 64 20 74 6f 20 74 61 6b 65 20 73 63 72 65 65 6e 73 68 6f 74 } //1 main::failed to take screenshot
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$a_01_2 = {2e 6e 6e 2d 67 72 6f 75 70 2e 63 6f 2f 72 65 71 } //10 .nn-group.co/req
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condition:
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((#a_01_0 & 1)*1+(#a_01_1 & 1)*1+(#a_01_2 & 1)*10) >=12
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} |