32 lines
1.4 KiB
Text
32 lines
1.4 KiB
Text
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/*
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Yara Rule Set
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Author: Florian Roth
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Date: 2016-05-12
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Identifier: ONHAT
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*/
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rule ONHAT_Proxy_Hacktool {
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meta:
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description = "Detects ONHAT Proxy - Htran like SOCKS hack tool used by Chinese APT groups"
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license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
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author = "Florian Roth (Nextron Systems)"
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reference = "https://goo.gl/p32Ozf"
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date = "2016-05-12"
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score = 100
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hash1 = "30b2de0a802a65b4db3a14593126301e6949c1249e68056158b2cc74798bac97"
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hash2 = "94bda24559713c7b8be91368c5016fc7679121fea5d565d3d11b2bb5d5529340"
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hash3 = "a26e75fec3b9f7d5a1c3d0ce1e89e4b0befb7a601da0c69a4cf96301921771dd"
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hash4 = "c202e9d5b99f6137c7c07305c7314e55f52bae832d460c44efc8f2a90ff03615"
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hash5 = "dded62ad85c0bdd68bcc96f88d8ba42d5ad0ef999911ebdea3f561a4491ebbc6"
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hash6 = "f0954774c91603fc2595f0ba0727b9af4e80f6f9be7bb629e7fb6ba4309ed4ea"
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hash7 = "f3906be01d51e2e1ae9b03cd09702b6e0794b9c9fd7dc04024f897e96bb13232"
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hash8 = "f65ae9ccf988a06a152f27a4c0d7992100a2d9d23d80efe8d8c2a5c9bd78a3a7"
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id = "cb18a5b0-dbbd-5dd3-af66-21b8302df6de"
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strings:
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$s1 = "INVALID PARAMETERS. TYPE ONHAT.EXE -h FOR HELP INFORMATION." fullword ascii
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$s2 = "[ONHAT] LISTENS (S, %d.%d.%d.%d, %d) ERROR." fullword ascii
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$s3 = "[ONHAT] CONNECTS (T, %d.%d.%d.%d, %d.%d.%d.%d, %d) ERROR." fullword ascii
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condition:
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( uint16(0) == 0x5a4d and filesize < 80KB and ( 1 of ($s*) ) ) or ( 2 of them )
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}
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