51 lines
1.5 KiB
Text
51 lines
1.5 KiB
Text
rule malware_red_leaves_generic {
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meta:
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author = "David Cannings/nccgroup"
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description = "Red Leaves malware, related to APT10"
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reference = "https://github.com/nccgroup/Cyber-Defence/tree/master/Signatures/yara"
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// This hash from VT retrohunt, original sample was a memory dump
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sha256 = "2e1f902de32b999642bb09e995082c37a024f320c683848edadaf2db8e322c3c"
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strings:
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// MiniLZO release date
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$ = "Feb 04 2015"
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$ = "I can not start %s"
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$ = "dwConnectPort" fullword
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$ = "dwRemoteLanPort" fullword
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$ = "strRemoteLanAddress" fullword
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$ = "strLocalConnectIp" fullword
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$ = "\\\\.\\pipe\\NamePipe_MoreWindows" wide
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$ = "RedLeavesCMDSimulatorMutex" wide
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$ = "(NT %d.%d Build %d)" wide
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$ = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0;
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SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C;
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.NET4.0E)" wide
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$ = "red_autumnal_leaves_dllmain.dll" wide ascii
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$ = "__data" wide
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$ = "__serial" wide
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$ = "__upt" wide
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$ = "__msgid" wide
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condition:
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7 of them
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}
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rule malware_red_leaves_memory {
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meta:
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author = "David Cannings/nccgroup"
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description = "Red Leaves C&C left in memory, use with Volatility / Rekall"
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reference = "https://github.com/nccgroup/Cyber-Defence/tree/master/Signatures/yara"
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strings:
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$ = "__msgid=" wide ascii
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$ = "__serial=" wide ascii
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$ = "OnlineTime=" wide
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// Indicates a file transfer
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$ = "clientpath=" wide ascii
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$ = "serverpath=" wide ascii
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condition:
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3 of them
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}
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