MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 559e5ff2b8afb25bbc62275355ba2ceb668e8707de6b221315afb6c2390ba68e. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



ReverseSSH


Vendor detections: 9


Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash: 559e5ff2b8afb25bbc62275355ba2ceb668e8707de6b221315afb6c2390ba68e
SHA3-384 hash: 62c8a5208c7ed86b10e60a83b1ff767b974bc5fb9b51e428a8681ae78aa08d35a1f3730cb1c5438e1e0bdd12e495b87f
SHA1 hash: 515df903fd5b5dfc03233ee56978adbacf8466c3
MD5 hash: b9ebfafaf78adaa95eddcd326aa21a9b
humanhash: neptune-mango-vermont-steak
File name:upx_reverse-sshx64
Download: download sample
Signature ReverseSSH
File size:1'501'896 bytes
First seen:2026-07-29 13:52:50 UTC
Last seen:2026-07-29 16:22:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:1fzIvgxm+JS4zZz5Zs8ZpXE/xWKE6IWGeeyBBCk30K2K7Z3qEMIe:BIoY+J9ZbA/UPWdBQkkK1d35te
TLSH T1106533AA8191FEFA9D175831F6F29AE502965FA1ECF03C891CD06B42DA7DFC271016C4
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf ReverseSSH UPX
File size (compressed) :1'501'896 bytes
File size (de-compressed) :3'690'496 bytes
Format:linux/amd64
Unpacked file: 161fd76c83e557269bee39a57baa2ccbbac679f59d9adff1e1b73b0f4bb277a6

Intelligence


File Origin
# of uploads :
3
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2024-02-02T07:47:00Z UTC
Last seen:
2026-07-30T08:25:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=12e96ab7-1b00-0000-deca-a1d5a20b0000 pid=2978 /usr/bin/sudo guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=2982 /tmp/sample.bin mprotect-exec guuid=12e96ab7-1b00-0000-deca-a1d5a20b0000 pid=2978->guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=2982 execve guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=3008 /tmp/sample.bin guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=2982->guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=3008 clone guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=3009 /tmp/sample.bin guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=2982->guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=3009 clone guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=3010 /tmp/sample.bin guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=2982->guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=3010 clone guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=3011 /tmp/sample.bin guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=2982->guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=3011 clone guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=3013 /tmp/sample.bin guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=2982->guuid=1c3609b9-1b00-0000-deca-a1d5a60b0000 pid=3013 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Threat name:
Linux.Hacktool.ReverseSSH
Status:
Malicious
First seen:
2024-02-02 13:35:44 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery linux upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:GoBinTest
Rule name:golang_binary_string
Description:Golang strings present
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

ReverseSSH

elf 559e5ff2b8afb25bbc62275355ba2ceb668e8707de6b221315afb6c2390ba68e

(this sample)

  
Delivery method
Distributed via web download

Comments