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SEKOIA_Tool_Soaphound_Strings

Detects SOAPHound based on strings

Hack toolSEKOIA.IO CommunityDetection Rule License 1.1Compiles with YARA-X
Author
Sekoia.io
Date
2024-11-12
Modified
2024-12-19
Score / Quality
75 / 80

What this rule detects

Detects SOAPHound based on strings

Targets: Windows PE.

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

Summary generated from the rule's metadata and condition.

Rule source

tool-soaphound-strings.yarDetection Rule License 1.1
rule SEKOIA_Tool_Soaphound_Strings : FILE
{
	meta:
		description = "Detects SOAPHound based on strings"
		author = "Sekoia.io"
		id = "adf48506-f07d-445a-83cc-0aed3b6b55eb"
		date = "2024-11-12"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/tool_soaphound_strings.yar#L1-L21"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		hash = "b2a953590d75213388473fb51e6b5f2f"
		logic_hash = "14ff92230d0999a39a6e1042f5c42b5ae275d90ece3d74727e5da44c569a93eb"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "Output files generated in" wide
		$ = "(&(cn=*)(!(cn=a*))(!(cn=b*))" wide
		$ = "unicodePassword" wide
		$ = "net.tcp://localhost:9389/ActiveDirectoryWebServices/" wide

	condition:
		uint16be( 0 ) == 0x4d5a and filesize < 2MB and all of them
}

Strings (4 patterns)

IdentifierTypeValueModifiers
$text"Output files generated in"wide
$text"(&(cn=*)(!(cn=a*))(!(cn=b*))"wide
$text"unicodePassword"wide
$text"net.tcp://localhost:9389/ActiveDirectoryWebServices/"wide

Condition

uint16be( 0 ) == 0x4d5a and filesize < 2MB and all of them

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • The file must be smaller than 2MB (a cheap guard that skips large files).
  • All patterns in the rule must match.

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References

Sample hashes

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

  • b2a953590d75213388473fb51e6b5f2f

Licence & attribution

Author: Sekoia.io

Source repository: SEKOIA.IO Community @ a438a5901a

Licence: Detection Rule License 1.1 (repository licence)

Original rule

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

Rule id: adf48506-f07d-445a-83cc-0aed3b6b55eb

Metadata

version1.0
classificationTLP:CLEAR

Tags:FILE