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MALPEDIA_Win_Netsupportmanager_Rat_Auto

autogenerated rule brought to you by yara-signator

MalwareNetsupportmanager RatMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
Author
Felix Bilstein - yara-signator at cocacoding dot com
Date
2026-05-04
Modified
2026-05-18
Score / Quality
75 / 75

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Netsupportmanager Rat.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-netsupportmanager-rat-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Netsupportmanager_Rat_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "0f1d3844-5bc1-5784-a15f-71f2d33313fd"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.netsupportmanager_rat"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.netsupportmanager_rat_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "2eaf0a14cf605bcfa7fa4971b72015b58dc722cb3878175d7ffb65f97581b58e"
		score = 75
		quality = 75
		tags = "FILE"
		version = "1"
		tool = "yara-signator v0.6.0"
		signator_config = "callsandjumps;datarefs;binvalue"
		malpedia_rule_date = "20260422"
		malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
		malpedia_version = "20260504"
		malpedia_license = "CC BY-SA 4.0"
		malpedia_sharing = "TLP:WHITE"

	strings:
		$sequence_0 = { c7869400000000000000 8945ec c70000000000 c70700000000 0f85d5000000 8b4510 85c0 }
		$sequence_1 = { f2ae f7d1 d1e9 8d55cc 51 52 e8???????? }
		$sequence_2 = { ff5218 6a1e e8???????? a1???????? 83c404 3bc3 0f8595000000 }
		$sequence_3 = { f3ab 8d45f8 8d8df0feffff 50 51 e8???????? 8bf8 }
		$sequence_4 = { 8bd9 33ff 8d4dbc 897dec e8???????? 8db30d010000 897dfc }
		$sequence_5 = { e8???????? eb14 3bf7 7410 8bce e8???????? 56 }
		$sequence_6 = { e8???????? 53 894508 e8???????? 8b7ddc 8b1d???????? 83c40c }
		$sequence_7 = { ff15???????? 8bf0 85f6 8975f8 0f8488000000 68???????? 56 }
		$sequence_8 = { e8???????? c7865c02000001000000 c7863c02000001000000 5f 5e 8b4df4 64890d00000000 }
		$sequence_9 = { eb03 895e2c 8b4df4 8bc6 5f 5e 5b }

	condition:
		7 of them and filesize < 4734976
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ c7869400000000000000 8945ec c70000000000 c70700000000 0f85d5000000 8b4510 85c0 }
$sequence_1hex{ f2ae f7d1 d1e9 8d55cc 51 52 e8???????? }
$sequence_2hex{ ff5218 6a1e e8???????? a1???????? 83c404 3bc3 0f8595000000 }
$sequence_3hex{ f3ab 8d45f8 8d8df0feffff 50 51 e8???????? 8bf8 }
$sequence_4hex{ 8bd9 33ff 8d4dbc 897dec e8???????? 8db30d010000 897dfc }
$sequence_5hex{ e8???????? eb14 3bf7 7410 8bce e8???????? 56 }
$sequence_6hex{ e8???????? 53 894508 e8???????? 8b7ddc 8b1d???????? 83c40c }
$sequence_7hex{ ff15???????? 8bf0 85f6 8975f8 0f8488000000 68???????? 56 }
$sequence_8hex{ e8???????? c7865c02000001000000 c7863c02000001000000 5f 5e 8b4df4 64890d00000000 }
$sequence_9hex{ eb03 895e2c 8b4df4 8bc6 5f 5e 5b }

Condition

7 of them and filesize < 4734976

In plain words (Heuristic)

  • The file must be smaller than 4734976 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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References

Licence & attribution

Author: Felix Bilstein - yara-signator at cocacoding dot com

Source repository: Malpedia signator rules @ c901f97b7d

Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)

Original rule

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

Rule id: 0f1d3844-5bc1-5784-a15f-71f2d33313fd

Metadata

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE