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DITEKSHEN_INDICATOR_RMM_Pulseway_Pcmontasksrv

Detects Pulseway pcmontask and service user agent responsible for Remote Control, Screens View, Computer Lock, etc

Suspicious / huntingditekSHen detectionBSD 2-Clause LicenseCompiles with YARA-X
Author
ditekSHen
Date
2023-08-22
Modified
2024-10-04
Score / Quality
75 / 75

What this rule detects

Detects Pulseway pcmontask and service user agent responsible for Remote Control, Screens View, Computer Lock, etc

Targets: Windows PE.

It defines 9 patterns (9 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
indicator-rmm-pulseway-pcmontasksrv.yarBSD 2-Clause License
rule DITEKSHEN_INDICATOR_RMM_Pulseway_Pcmontasksrv : FILE
{
	meta:
		description = "Detects Pulseway pcmontask and service user agent responsible for Remote Control, Screens View, Computer Lock, etc"
		author = "ditekSHen"
		id = "83901679-ffff-5710-b472-ece592e6764f"
		date = "2023-08-22"
		modified = "2024-10-04"
		reference = "https://www.cisa.gov/sites/default/files/2023-08/JCDC_RMM_Cyber_Defense_Plan_TLP_CLEAR_508c_1.pdf"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/indicator_rmm.yar#L245-L266"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "80ba217960dd1ddeb220545c1cccbe96d9b676d327364e1ca8a9dde2b059261f"
		score = 75
		quality = 75
		tags = "FILE"
		clamav1 = "INDICATOR.Win.RMM.PulseWay"

	strings:
		$s1 = "MM.Monitor." ascii
		$s2 = "RDAgentSessionSettingsV" ascii
		$s3 = "CheckForMacOSRemoteDesktopUpdateCompletedEvent" ascii
		$s4 = "ConfirmAgentStarted" ascii
		$s5 = "GetScreenshot" ascii
		$s6 = "UnloadRemoteDesktopDlls" ascii
		$s7 = "CtrlAltDeleteProc" ascii
		$s8 = "$7cfc3b88-6dc4-49fc-9f0a-bf9e9113a14d" ascii
		$s9 = "computermonitor.mmsoft.ro" ascii

	condition:
		( uint16( 0 ) == 0x5a4d or uint16( 0 ) == 0xcfd0 ) and 7 of them
}

Strings (9 patterns)

IdentifierTypeValueModifiers
$s1text"MM.Monitor."ascii
$s2text"RDAgentSessionSettingsV"ascii
$s3text"CheckForMacOSRemoteDesktopUpdateCompletedEvent"ascii
$s4text"ConfirmAgentStarted"ascii
$s5text"GetScreenshot"ascii
$s6text"UnloadRemoteDesktopDlls"ascii
$s7text"CtrlAltDeleteProc"ascii
$s8text"$7cfc3b88-6dc4-49fc-9f0a-bf9e9113a14d"ascii
$s9text"computermonitor.mmsoft.ro"ascii

Condition

( uint16( 0 ) == 0x5a4d or uint16( 0 ) == 0xcfd0 ) and 7 of them

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • At least 7 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: 83901679-ffff-5710-b472-ece592e6764f

Metadata

clamav1INDICATOR.Win.RMM.PulseWay

Tags:FILE

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