21 lines
752 B
Text
21 lines
752 B
Text
rule NK_GOLDBACKDOOR_Main
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{
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meta:
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author= "Silas Cutler"
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description = "Detection for Main component of GOLDBACKDOOR"
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reference = "https://stairwell.com/news/threat-research-the-ink-stained-trail-of-goldbackdoor/"
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version = "0.1"
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strings:
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$str1 = "could not exec bash command." wide
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$str2 = "%userprofile%\\AppData" wide
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$str3 = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.3112.113 Safari/537.36" wide
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$str4 = "tickount: %d"
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$str5 = "Service-0x" wide
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$str6 = "Main Returned"
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$b64_1 = "TwBuAGUARAByAHYAVQBwAGQAYQB0AGUAAAA="
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$b64_2 = "aGFnZW50dHJheQ=="
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$b64_3 = "YXBwbGljYXRpb24vdm5kLmdvb2dsZS1hcHBzLmZvbGRlcg=="
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$pdb = "D:\\Development\\GOLD-BACKDOOR\\"
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condition:
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4 of them or ( $pdb and 1 of them )
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}
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