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YARA · ditekSHen detection

DITEKSHEN_INDICATOR_TOOL_Pplblade

Detects PPLBlade Protected Process Dumper Tool that support obfuscating memory dump and transferring it on remote workstations without dropping it onto the disk

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 PPLBlade Protected Process Dumper Tool that support obfuscating memory dump and transferring it on remote workstations without dropping it onto the disk

Targets: Windows PE.

It defines 17 patterns (17 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

indicator-tool-pplblade.yarBSD 2-Clause License
rule DITEKSHEN_INDICATOR_TOOL_Pplblade : FILE
{
	meta:
		description = "Detects PPLBlade Protected Process Dumper Tool that support obfuscating memory dump and transferring it on remote workstations without dropping it onto the disk"
		author = "ditekSHen"
		id = "60c9b036-51a0-5e08-83de-1f69f62245c3"
		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#L1634-L1658"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "da21402b07fcd0358ba630e48ab35956cb7ed8c12836a339c85b2ee5e414543e"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$x1 = "PPLBlade" ascii
		$x2 = "/PPLBlade/" ascii
		$x3 = "PPLBlade.exe --mode" ascii
		$x4 = "PPLBLADE.SYSPPLBlade.dmp" ascii
		$s1 = "Dump bytes sent at %s:%d. Protocol: %s" ascii
		$s2 = "Deobfuscated dump saved in file %s" ascii
		$m1 = "main.WriteDriverOnDisk" ascii
		$m2 = "main.ProcExpOpenProc" ascii
		$m3 = "main.miniDumpCallback" ascii
		$m4 = "main.copyDumpBytes" ascii
		$m5 = "main.MiniDumpGetBytes" ascii
		$m6 = "main.SendBytesRaw" ascii
		$m7 = "main.SendBytesSMB" ascii
		$m8 = "main.DeobfuscateDump" ascii
		$m9 = "main.dumpMutex" ascii
		$m10 = "main.dbghelpDLL" ascii
		$m11 = "main.miniDumpWriteDump" ascii

	condition:
		uint16( 0 ) == 0x5a4d and ( 3 of ( $x* ) or ( 1 of ( $x* ) and ( 1 of ( $s* ) or 3 of ( $m* ) ) ) or ( all of ( $s* ) and 3 of ( $m* ) ) or ( 7 of ( $m* ) ) )
}

Strings (17 patterns)

IdentifierTypeValueModifiers
$x1text"PPLBlade"ascii
$x2text"/PPLBlade/"ascii
$x3text"PPLBlade.exe --mode"ascii
$x4text"PPLBLADE.SYSPPLBlade.dmp"ascii
$s1text"Dump bytes sent at %s:%d. Protocol: %s"ascii
$s2text"Deobfuscated dump saved in file %s"ascii
$m1text"main.WriteDriverOnDisk"ascii
$m2text"main.ProcExpOpenProc"ascii
$m3text"main.miniDumpCallback"ascii
$m4text"main.copyDumpBytes"ascii
$m5text"main.MiniDumpGetBytes"ascii
$m6text"main.SendBytesRaw"ascii
$m7text"main.SendBytesSMB"ascii
$m8text"main.DeobfuscateDump"ascii
$m9text"main.dumpMutex"ascii
$m10text"main.dbghelpDLL"ascii
$m11text"main.miniDumpWriteDump"ascii

Condition

uint16( 0 ) == 0x5a4d and ( 3 of ( $x* ) or ( 1 of ( $x* ) and ( 1 of ( $s* ) or 3 of ( $m* ) ) ) or ( all of ( $s* ) and 3 of ( $m* ) ) or ( 7 of ( $m* ) ) )

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • All patterns in ( $s* ) must match.
  • At least 3 patterns in ( $x* ) must match.
  • At least 1 patterns in ( $x* ) must match.
  • At least 1 patterns in ( $s* ) must match.
  • At least 3 patterns in ( $m* ) must match.
  • At least 7 patterns in ( $m* ) 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: 60c9b036-51a0-5e08-83de-1f69f62245c3

Tags:FILE