user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Backdoor:Win32/Farfli.BH!MTB
Backdoor:Win32/Farfli.BH!MTB - Windows Defender threat signature analysis

Backdoor:Win32/Farfli.BH!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Backdoor:Win32/Farfli.BH!MTB
Classification:
Type:Backdoor
Platform:Win32
Family:Farfli
Detection Type:Concrete
Known malware family with identified signatures
Variant:BH
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: Backdoor - Provides unauthorized remote access for 32-bit Windows platform, family Farfli

Summary:

This threat is a backdoor from the Farfli (Gh0st RAT) malware family, detected by machine learning behavioral analysis. It is designed to grant a remote attacker unauthorized control over the infected system, allowing for data theft, remote command execution, and surveillance.

Severity:
Medium
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Backdoor_Win32_Farfli_BH_2147686457_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Backdoor:Win32/Farfli.BH"
        threat_id = "2147686457"
        type = "Backdoor"
        platform = "Win32: Windows 32-bit platform"
        family = "Farfli"
        severity = "Critical"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "2"
        strings_accuracy = "High"
    strings:
        $x_1_1 = {66 89 44 24 44 c6 44 24 39 65 c6 44 24 3c 79 c6 44 24 40 6d ff d5 8b 35}  //weight: 1, accuracy: High
        $x_1_2 = {89 4c 24 24 88 54 24 28 c6 44 24 1c 47 c6 44 24 1f 55 c6 44 24 23 4e ff d5 50 ff d6}  //weight: 1, accuracy: High
        $x_1_3 = {c6 44 24 2c 72 c6 44 24 2e 6f c6 44 24 2f 74 ff d3 56 ff 15}  //weight: 1, accuracy: High
        $x_1_4 = {c6 44 24 11 4d c6 44 24 12 42 c6 44 24 14 30 c6 44 24 16 6d c6 44 24 17 62 0f 84 c3}  //weight: 1, accuracy: High
        $x_1_5 = {c6 44 24 18 47 c6 44 24 1a 74 c6 44 24 1b 55 c6 44 24 1f 4e c6 44 24 21 6d ff d5}  //weight: 1, accuracy: High
        $x_1_6 = {c6 44 24 54 47 c6 44 24 56 74 c6 44 24 57 56 c6 44 24 5b 6d c6 44 24 5d 49 c6 44 24 60 6f c6 44 24 64 74 ff d5}  //weight: 1, accuracy: High
    condition:
        (filesize < 20MB) and
        (2 of ($x*))
}
Known malware which is associated with this threat:
1f8cdb119164550161cddba78f7d30f36cd3304dc4c127c37b15d3030b743b4b
18/11/2025
→VirusTotal↓Download Sample
580e6c64ba71bf32dc63c34204dc48d17ff8de949c916f101e89472222b41a88
07/11/2025
→VirusTotal↓Download Sample
Remediation Steps:
Isolate the affected machine from the network immediately. Use Windows Defender to perform a full system scan and remove the detected threat. Investigate for persistence mechanisms and change all user credentials associated with the machine.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 08/11/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊