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VOLEXITY_Hacktool_Py_Pysoxy

SOCKS5 proxy tool used to relay connections.

Hack toolVolexity threat-intelBSD 2-Clause LicenseCompiles with YARA-X
Author
threatintel@volexity.com
Date
2024-01-09
Score / Quality
75 / 80

What this rule detects

SOCKS5 proxy tool used to relay connections.

It defines 5 patterns (5 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

hacktool-py-pysoxy.yarBSD 2-Clause License
rule VOLEXITY_Hacktool_Py_Pysoxy : FILE MEMORY
{
	meta:
		description = "SOCKS5 proxy tool used to relay connections."
		author = "threatintel@volexity.com"
		id = "88094b55-784d-5245-9c40-b1eebf0e6e72"
		date = "2024-01-09"
		modified = "2024-01-09"
		reference = "TIB-20240109"
		source_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2024/2024-01-10 Ivanti Connect Secure/indicators/yara.yar#L87-L114"
		license_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
		hash = "e192932d834292478c9b1032543c53edfc2b252fdf7e27e4c438f4b249544eeb"
		logic_hash = "f73e9d3c2f64c013218469209f3b69fc868efafc151a7de979dde089bfdb24b2"
		score = 75
		quality = 80
		tags = "FILE, MEMORY"
		os = "all"
		os_arch = "all"
		scan_context = "file,memory"
		severity = "critical"
		license = "See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt"
		rule_id = 10065
		version = 3

	strings:
		$s1 = "proxy_loop" ascii
		$s2 = "connect_to_dst" ascii
		$s3 = "request_client" ascii
		$s4 = "subnegotiation_client" ascii
		$s5 = "bind_port" ascii

	condition:
		all of them
}

Strings (5 patterns)

IdentifierTypeValueModifiers
$s1text"proxy_loop"ascii
$s2text"connect_to_dst"ascii
$s3text"request_client"ascii
$s4text"subnegotiation_client"ascii
$s5text"bind_port"ascii

Condition

all of them

In plain words (Heuristic)

  • All patterns in the rule must match.

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Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

  • e192932d834292478c9b1032543c53edfc2b252fdf7e27e4c438f4b249544eeb

Licence & attribution

Author: threatintel@volexity.com

Source repository: Volexity threat-intel @ 3a9d0b5245

Licence: BSD 2-Clause License (stated in the rule's own meta)

“See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt”

Copyright notice: Copyright 2022 by Volexity, Inc.

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: 88094b55-784d-5245-9c40-b1eebf0e6e72

Metadata

osall
os_archall
scan_contextfile,memory
severitycritical
rule_id10065
version3

Tags:FILEMEMORY