Windows_Trojan_CobaltStrike_dcdcdd8c


Description

Rule for beacon sleep PDB

Query · yara

strings:
        $a1 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask.x64.o" ascii fullword
        $a2 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask.x86.o" ascii fullword
        $a3 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask_smb.x64.o" ascii fullword
        $a4 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask_smb.x86.o" ascii fullword
        $a5 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask_tcp.x64.o" ascii fullword
        $a6 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask_tcp.x86.o" ascii fullword
    condition:
        any of them
Raw source Windows_Trojan_CobaltStrike_dcdcdd8c · YARA
Esc
Published by elastic/protections-artifacts ↗, licensed under Elastic License 2.0 ↗. Reproduced here unmodified.
rule Windows_Trojan_CobaltStrike_dcdcdd8c {
    meta:
        author = "Elastic Security"
        id = "dcdcdd8c-7395-4453-a74a-60ab8e251a5a"
        fingerprint = "8aed1ae470d06a7aac37896df22b2f915c36845099839a85009212d9051f71e9"
        creation_date = "2021-10-21"
        last_modified = "2022-01-13"
        description = "Rule for beacon sleep PDB"
        threat_name = "Windows.Trojan.CobaltStrike"
        reference_sample = "36d32b1ed967f07a4bd19f5e671294d5359009c04835601f2cc40fb8b54f6a2a"
        severity = 100
        arch_context = "x86, arm64"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "windows"
    strings:
        $a1 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask.x64.o" ascii fullword
        $a2 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask.x86.o" ascii fullword
        $a3 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask_smb.x64.o" ascii fullword
        $a4 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask_smb.x86.o" ascii fullword
        $a5 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask_tcp.x64.o" ascii fullword
        $a6 = "Z:\\devcenter\\aggressor\\external\\sleepmask\\bin\\sleepmask_tcp.x86.o" ascii fullword
    condition:
        any of them
}

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