MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 161fd76c83e557269bee39a57baa2ccbbac679f59d9adff1e1b73b0f4bb277a6. 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: 10


Intelligence 10 IOCs YARA 23 File information Comments

SHA256 hash: 161fd76c83e557269bee39a57baa2ccbbac679f59d9adff1e1b73b0f4bb277a6
SHA3-384 hash: fba2ddf71c8e8c6b8b686801f4890309d6ace353b04f4de53f886ec601edee1732236dfb20164efee7fd8d27d6f1f37e
SHA1 hash: ef8036eb4097789577eff62f6c9580fa130e7d56
MD5 hash: 427258462c745481c1ae47327182acd3
humanhash: orange-three-tango-florida
File name:upx_reverse-sshx64
Download: download sample
Signature ReverseSSH
File size:3'690'496 bytes
First seen:2026-07-29 13:56:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:e0a9cuyWrb/T4vO90dL3BmAFd4A64nsfJyBnmWiXpFUUXGo0331m98Hds71gnoa4:e0Lda/Uvd3qG6bpsE
TLSH T174064C03F89150E9C1AED535CE699263BB717899073027C72B50EAB92F77BE45E7A300
telfhash t1f7729b714abc74f1a2a6dd61f37274b4a63318b577f834b11023ad61efe0e851c9682b
gimphash 785b2c2be63d64e8888ec8d22ad94abb65f2d00190f5d4898e353049f96900a9
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 559e5ff2b8afb25bbc62275355ba2ceb668e8707de6b221315afb6c2390ba68e
File size (compressed) :1'501'896 bytes
File size (de-compressed) :3'690'496 bytes
Format:linux/amd64
Packed file: 559e5ff2b8afb25bbc62275355ba2ceb668e8707de6b221315afb6c2390ba68e

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 crypto golang hacktool reconnaissance
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2023-02-22T04:31:00Z UTC
Last seen:
2026-07-30T07:19:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=928ed7a3-1f00-0000-2572-829c3e030000 pid=830 /usr/bin/sudo guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=831 /tmp/sample.bin guuid=928ed7a3-1f00-0000-2572-829c3e030000 pid=830->guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=831 execve guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=832 /tmp/sample.bin guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=831->guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=832 clone guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=833 /tmp/sample.bin guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=831->guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=833 clone guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=834 /tmp/sample.bin guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=831->guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=834 clone guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=835 /tmp/sample.bin guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=831->guuid=583d76a6-1f00-0000-2572-829c3f030000 pid=835 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1949570 Sample: upx_reverse-sshx64.elf Startdate: 29/07/2026 Architecture: LINUX Score: 56 14 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 Multi AV Scanner detection for submitted file 2->22 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 upx_reverse-sshx64.elf 2->12         started        signatures3 process4
Threat name:
Linux.Hacktool.ReverseSSH
Status:
Malicious
First seen:
2022-08-09 08:44:48 UTC
File Type:
ELF64 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery linux
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_all_IPv6_variants
Author:Bierchermuesli
Description:Generic IPv6 catcher
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:GoBinTest
Rule name:golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_duffcopy_amd64
Rule name:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:tool_reversessh_strings
Author:Sekoia.io
Description:Detects reverse SSH based on strings
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

Web download

ReverseSSH

elf 161fd76c83e557269bee39a57baa2ccbbac679f59d9adff1e1b73b0f4bb277a6

(this sample)

  
Delivery method
Distributed via web download

Comments