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39 lines
1.2 KiB
Plaintext
39 lines
1.2 KiB
Plaintext
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/*
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Yara Rule Set
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Author: Florian Roth
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Date: 2016-06-14
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Identifier: Fancy Bear and Cozy Bear Report - CrowdStrike
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*/
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/* Rule Set ----------------------------------------------------------------- */
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rule COZY_FANCY_BEAR_Hunt {
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meta:
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description = "Detects Cozy Bear / Fancy Bear C2 Server IPs"
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author = "Florian Roth"
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reference = "https://www.crowdstrike.com/blog/bears-midst-intrusion-democratic-national-committee/"
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date = "2016-06-14"
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strings:
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$s1 = "185.100.84.134" ascii wide fullword
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$s2 = "58.49.58.58" ascii wide fullword
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$s3 = "218.1.98.203" ascii wide fullword
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$s4 = "187.33.33.8" ascii wide fullword
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$s5 = "185.86.148.227" ascii wide fullword
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$s6 = "45.32.129.185" ascii wide fullword
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$s7 = "23.227.196.217" ascii wide fullword
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condition:
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uint16(0) == 0x5a4d and 1 of them
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}
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rule COZY_FANCY_BEAR_pagemgr_Hunt {
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meta:
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description = "Detects a pagemgr.exe as mentioned in the CrowdStrike report"
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author = "Florian Roth"
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reference = "https://www.crowdstrike.com/blog/bears-midst-intrusion-democratic-national-committee/"
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date = "2016-06-14"
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strings:
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$s1 = "pagemgr.exe" wide fullword
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condition:
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uint16(0) == 0x5a4d and 1 of them
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}
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