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MALPEDIA_Win_Rhttpctrl_Auto

autogenerated rule brought to you by yara-signator

MalwareRhttpctrlMalpedia 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: Rhttpctrl.

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

Summary generated from the rule's metadata and condition.

Rule source

win-rhttpctrl-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Rhttpctrl_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "e0709115-4980-5221-8430-26746eaddf9e"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.rhttpctrl"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.rhttpctrl_auto.yar#L1-L123"
		license_url = "N/A"
		logic_hash = "0d5f2c9302dd349ec78e91bf1381d6ac321cb006482302efe750d53313dcc6c2"
		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 = { 52 c785d8feffff1c010000 898de4feffff c785e8feffff02000000 ffd6 6a01 6a08 }
		$sequence_1 = { 8d442434 50 e8???????? 83c408 85c0 7510 8b5c2444 }
		$sequence_2 = { e8???????? 83c40c 83c61d ffb5f0feffff ffb5ecfeffff 56 e8???????? }
		$sequence_3 = { 85c9 7407 395004 7402 8811 8b4808 85c9 }
		$sequence_4 = { 6a00 6a00 8945ec 8b450c }
		$sequence_5 = { 8d4704 56 51 50 8d7101 }
		$sequence_6 = { 84c0 740b 8937 46 81feffff0000 76e8 8b9dd0feffff }
		$sequence_7 = { ff5004 8b5704 83ea10 f00fc1720c 4e }
		$sequence_8 = { 740b 8937 46 81feffff0000 76e8 8b9dd0feffff }
		$sequence_9 = { 8d85f0d7ffff 50 56 ffd3 }

	condition:
		7 of them and filesize < 339968
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 52 c785d8feffff1c010000 898de4feffff c785e8feffff02000000 ffd6 6a01 6a08 }
$sequence_1hex{ 8d442434 50 e8???????? 83c408 85c0 7510 8b5c2444 }
$sequence_2hex{ e8???????? 83c40c 83c61d ffb5f0feffff ffb5ecfeffff 56 e8???????? }
$sequence_3hex{ 85c9 7407 395004 7402 8811 8b4808 85c9 }
$sequence_4hex{ 6a00 6a00 8945ec 8b450c }
$sequence_5hex{ 8d4704 56 51 50 8d7101 }
$sequence_6hex{ 84c0 740b 8937 46 81feffff0000 76e8 8b9dd0feffff }
$sequence_7hex{ ff5004 8b5704 83ea10 f00fc1720c 4e }
$sequence_8hex{ 740b 8937 46 81feffff0000 76e8 8b9dd0feffff }
$sequence_9hex{ 8d85f0d7ffff 50 56 ffd3 }

Condition

7 of them and filesize < 339968

In plain words (Heuristic)

  • The file must be smaller than 339968 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

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Open in editor

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: e0709115-4980-5221-8430-26746eaddf9e

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