sigmahighHunting

PUA- IOX Tunneling Tool Execution

Detects the use of IOX - a tool for port forwarding and intranet proxy purposes

MITRE ATT&CK

command-and-control

Detection Query

selection:
  Image|endswith: \iox.exe
selection_commandline:
  CommandLine|contains:
    - ".exe fwd -l "
    - ".exe fwd -r "
    - ".exe proxy -l "
    - ".exe proxy -r "
selection_hashes:
  Hashes|contains:
    - MD5=9DB2D314DD3F704A02051EF5EA210993
    - SHA1=039130337E28A6623ECF9A0A3DA7D92C5964D8DD
    - SHA256=C6CF82919B809967D9D90EA73772A8AA1C1EB3BC59252D977500F64F1A0D6731
condition: 1 of selection*

Author

Florian Roth (Nextron Systems)

Created

2022-10-08

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://github.com/EddieIvan01/iox

Tags

attack.command-and-controlattack.t1090

Raw Content

title: PUA- IOX Tunneling Tool Execution
id: d7654f02-e04b-4934-9838-65c46f187ebc
status: test
description: Detects the use of IOX - a tool for port forwarding and intranet proxy purposes
references:
    - https://github.com/EddieIvan01/iox
author: Florian Roth (Nextron Systems)
date: 2022-10-08
modified: 2024-11-23
tags:
    - attack.command-and-control
    - attack.t1090
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\iox.exe'
    selection_commandline:
        CommandLine|contains:
            - '.exe fwd -l '
            - '.exe fwd -r '
            - '.exe proxy -l '
            - '.exe proxy -r '
    selection_hashes:
        # v0.4
        Hashes|contains:
            - "MD5=9DB2D314DD3F704A02051EF5EA210993"
            - "SHA1=039130337E28A6623ECF9A0A3DA7D92C5964D8DD"
            - "SHA256=C6CF82919B809967D9D90EA73772A8AA1C1EB3BC59252D977500F64F1A0D6731"
    condition: 1 of selection*
falsepositives:
    - Legitimate use
level: high