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YARA · ditekSHen detection

DITEKSHEN_INDICATOR_TOOL_HFS_Webserver

Detects HFS Web Server

Suspicious / huntingditekSHen detectionBSD 2-Clause LicenseCompiles with YARA-X
Author
ditekSHen
Date
2020-11-06
Modified
2024-09-25
Score / Quality
75 / 75

What this rule detects

Detects HFS Web Server

Targets: Windows PE.

It defines 4 patterns (4 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

indicator-tool-hfs-webserver.yarBSD 2-Clause License
rule DITEKSHEN_INDICATOR_TOOL_HFS_Webserver : FILE
{
	meta:
		description = "Detects HFS Web Server"
		author = "ditekSHen"
		id = "2c9d9a38-8a6c-5c53-84bc-4eef77933172"
		date = "2020-11-06"
		modified = "2024-09-25"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/indicator_tools.yar#L647-L658"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "f5b8947e3858466dae5f476790842500f8184c4676d8c0c4870adb7fd3206652"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "SOFTWARE\\Borland\\Delphi\\" ascii
		$s2 = "C:\\code\\mine\\hfs\\scriptLib.pas" fullword ascii
		$s3 = "hfs.*;*.htm*;descript.ion;*.comment;*.md5;*.corrupted;*.lnk" ascii
		$s4 = "Server: HFS" ascii

	condition:
		uint16( 0 ) == 0x5a4d and all of them
}

Strings (4 patterns)

IdentifierTypeValueModifiers
$s1text"SOFTWARE\\Borland\\Delphi\\"ascii
$s2text"C:\\code\\mine\\hfs\\scriptLib.pas"fullword ascii
$s3text"hfs.*;*.htm*;descript.ion;*.comment;*.md5;*.corrupted;*.lnk"ascii
$s4text"Server: HFS"ascii

Condition

uint16( 0 ) == 0x5a4d and all of them

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • All patterns in the rule must match.

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References

Licence & attribution

Author: ditekSHen

Source repository: ditekSHen detection @ e76c93dcde

Licence: BSD 2-Clause License (repository licence)

Copyright notice: Copyright 2021 by ditekSHen (https://github.com/ditekshen/detection).

Original rule

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

Rule id: 2c9d9a38-8a6c-5c53-84bc-4eef77933172

Tags:FILE