user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat TrojanDownloader:Linux/SAgnt!AMTB
TrojanDownloader:Linux/SAgnt!AMTB - Windows Defender threat signature analysis

TrojanDownloader:Linux/SAgnt!AMTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: TrojanDownloader:Linux/SAgnt!AMTB
Classification:
Type:TrojanDownloader
Platform:Linux
Family:SAgnt
Detection Type:Concrete
Known malware family with identified signatures
Suffix:!AMTB
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Trojan Downloader - Downloads additional malware for Linux platform, family SAgnt

Summary:

This detection, identified as TrojanDownloader:Linux/SAgnt!AMTB, represents a sophisticated malicious downloader that, despite its Linux family designation, contains extensive Windows-specific functionalities. Its capabilities include utilizing `mshta`, `rundll32`, PowerShell, BITS jobs, and scheduled tasks for execution, persistence, and evasion on Windows systems. The primary goal is to download and execute further malicious payloads, posing a significant risk to the compromised system.

Severity:
High
VDM Static Detection:
Relevant strings associated with this threat:
 - !#HSTR:StringCodeForMshta.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.C!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.L!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.O!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRegsvr32.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRundll32.A!pli (PEHSTR_EXT)
 - rundll32 (PEHSTR_EXT)
 - !#HSTR:StringCodeForBITSJobs.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForPowerShell.G!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForScheduledTask.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForDataEncoding.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.J!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.K!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteFileCopy.B!pli (PEHSTR_EXT)
 - !#HSTR:ExecutionGuardrails (PEHSTR_EXT)
 - !#HSTR:StringCodeForFileDeletion.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.M!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForNetshHelperDLL.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteServices.A!pli (PEHSTR_EXT)
Known malware which is associated with this threat:
Filename: bl8gtmv9gg.sh
571ddf01e407ecddca1df9db3e5212f8ae76d8d3dfea292facdb862b984ddb67
29/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the infected system to prevent further compromise and network spread. Conduct a comprehensive forensic investigation to identify and remove all associated malicious files, persistence mechanisms (e.g., scheduled tasks, registry modifications), and any downloaded payloads. Strengthen security controls, ensure all systems are patched, and update endpoint protection signatures.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 29/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊