Essential information

Value / Name

Multi_Trojan_Gosar_31dba745

Confidence

100/100

Revoked

Yes

Valid from

16/12/2024 15:01

Valid until

03/10/2025 03:11

Pattern type

yara

Published

21/12/2025 08:26

Modified

21/12/2025 08:26

Author / Source

AlienVault

Description

Pattern

rule Multi_Trojan_Gosar_31dba745 {
    meta:
        author = "Elastic Security"
        id = "31dba745-8079-4161-9299-84a4c33b95c8"
        fingerprint = "87e44b3050eb33edb24ad8aa8923ed91124f2e92e4eae42e94decefc49ccbf4c"
        creation_date = "2024-11-05"
        last_modified = "2024-12-04"
        threat_name = "Multi.Trojan.Gosar"
        reference_sample = "4caf4b280e61745ce53f96f48a74dea3b69df299c3b9de78ba4731b83c76c334"
        severity = 100
        arch_context = "x86, arm64"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "multi"
    strings:
        $a1 = "GetRecoverAccounts"
        $a2 = "GetIsFirstScreen"
        $a3 = "DoWebcamStop"
        $a4 = "DoAskElevate"
        $a5 = "vibrant/proto/pb"
        $a6 = "vibrant/network/sender"
        $a7 = "vibrant/pkg/helpers"
    condition:
        3 of them
}

Labels / Tags

Labels: backdoor golang gosar keylogger quasar sadbridge

Marking (TLP)

TLP:CLEAR