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YARA · SEKOIA.IO Community

SEKOIA_Tool_Realblindingedr_Strings

Detects RealBlindingEDR based on strings

Hack toolSEKOIA.IO CommunityDetection Rule License 1.1Compiles with YARA-X
Author
Sekoia.io
Date
2024-09-11
Modified
2024-12-19
Score / Quality
75 / 80

What this rule detects

Detects RealBlindingEDR based on strings

Targets: Windows PE.

It defines 7 patterns (7 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

tool-realblindingedr-strings.yarDetection Rule License 1.1
rule SEKOIA_Tool_Realblindingedr_Strings : FILE
{
	meta:
		description = "Detects RealBlindingEDR based on strings"
		author = "Sekoia.io"
		id = "505dcbee-ae37-47c1-a322-2c52d10e68d7"
		date = "2024-09-11"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/tool_realblindingedr_strings.yar#L1-L24"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		hash = "cb6219e2b6577b8d4a18114d595e10d7"
		hash = "d0a251709c24a8f4c26d456dea22d90f"
		logic_hash = "7b6a54c935bb40bd1be1d25be452d7185fd6f9dacbd7cbcde7cb37dfea09775e"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "Unload Driver Error 1"
		$ = "Failed to create pipe. Error %d"
		$ = "icacls \"%s\" /grant Everyone:(F)"
		$ = "Register MiniFilter Callback driver:"
		$ = "The driver's certificate has been revoked,"
		$ = "[Success] Killed %s(%s)."
		$ = "ntoskrnl.exe base address not found."

	condition:
		uint16be( 0 ) == 0x4d5a and 4 of them
}

Strings (7 patterns)

IdentifierTypeValueModifiers
$text"Unload Driver Error 1"
$text"Failed to create pipe. Error %d"
$text"icacls \"%s\" /grant Everyone:(F)"
$text"Register MiniFilter Callback driver:"
$text"The driver's certificate has been revoked,"
$text"[Success] Killed %s(%s)."
$text"ntoskrnl.exe base address not found."

Condition

uint16be( 0 ) == 0x4d5a and 4 of them

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • At least 4 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).

  • cb6219e2b6577b8d4a18114d595e10d7
  • d0a251709c24a8f4c26d456dea22d90f

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: 505dcbee-ae37-47c1-a322-2c52d10e68d7

Metadata

version1.0
classificationTLP:CLEAR

Tags:FILE