17 lines
872 B
Text
17 lines
872 B
Text
rule APT_NK_Methodology_Artificial_UserAgent_IE_Win7 {
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meta:
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author = "Steve Miller aka @stvemillertime"
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description = "Detects hard-coded User-Agent string that has been present in several APT37 malware families."
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hash1 = "e63efbf8624a531bb435b7446dbbfc25"
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score = 45
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id = "a747c908-7af7-5c29-8386-a71db7648061"
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strings:
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$a1 = "Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko"
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$a2 = {4d 6f 7a 69 6c 6c 61 2f 35 2e 30 20 28 57 69 6e 64 6f 77 73 20 4e 54 20 36 2e 31 3b 20 57 4f 57 36 34 3b 20 54 72 69 64 65 6e 74 2f 37 2e 30 3b 20 72 76 3a 31 31 2e 30 29 20 6c 69 6b 65 20 47 65 63 6b 6f 00 00 00 00}
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$fp1 = "Esumsoft" wide
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$fp2 = "Acunetix" wide ascii
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$fp3 = "TASER SYNC" ascii
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condition:
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uint16(0) == 0x5A4D and all of ($a*) and not 1 of ($fp*)
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}
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