user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:MSIL/PureLogs.AD!MTB
Trojan:MSIL/PureLogs.AD!MTB - Windows Defender threat signature analysis

Trojan:MSIL/PureLogs.AD!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:MSIL/PureLogs.AD!MTB
Classification:
Type:Trojan
Platform:MSIL
Family:PureLogs
Detection Type:Concrete
Known malware family with identified signatures
Variant:AD
Specific signature variant within the malware family
Suffix:!MTB
Detected via machine learning and behavioral analysis
Detection Method:Behavioral
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Trojan - Appears legitimate but performs malicious actions for .NET (Microsoft Intermediate Language) platform, family PureLogs

Summary:

This is a concrete detection of a Trojan:MSIL/PureLogs.AD!MTB, identified as an MSIL/TrojanDropper. It targets .NET environments and is likely obfuscated with DotNet Reactor, suggesting its purpose is to deploy additional malicious payloads or establish persistence on the compromised system.

Severity:
Critical
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Trojan_MSIL_PureLogs_AD_2147954437_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:MSIL/PureLogs.AD!MTB"
        threat_id = "2147954437"
        type = "Trojan"
        platform = "MSIL: .NET intermediate language scripts"
        family = "PureLogs"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "1"
        strings_accuracy = "High"
    strings:
        $x_1_1 = {fe 0e 14 00 fe 0e 15 00 20 ce 8a f8 01 20 51 f5 b2 79 61 20 02 df cf 6c 61 fe 0e 14 00 fe 0c 12 00 20 0f 0f 0f 0f 5f fe 0e 17 00}  //weight: 1, accuracy: High
    condition:
        (filesize < 20MB) and
        (all of ($x*))
}
Known malware which is associated with this threat:
Filename: c.dat
7a28a02a5ce1d3e19ab2d35feb2b585f096e56175fb2980e29947079d3467a2b
15/11/2025
Remediation Steps:
Immediately isolate the infected host, perform a full system scan with updated security software, and remove the detected malware. Investigate for any dropped payloads, persistence mechanisms, or signs of further compromise and potential data exfiltration.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 09/12/2025. Do you want to analyze it again?
$ ls available-commands/
user@threatcheck.sh:~$