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MALPEDIA_Win_Interception_Auto

autogenerated rule brought to you by yara-signator

MalwareInterceptionMalpedia 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: Interception.

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

Summary generated from the rule's metadata and condition.

Rule source

win-interception-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Interception_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "f1a298d5-70e2-5f27-b6ee-691574cd9abf"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.interception"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.interception_auto.yar#L1-L118"
		license_url = "N/A"
		logic_hash = "3520af3329a4b24d818d777e1e8f70b92d9cafa69a1f58bf6db64da9ed00530f"
		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 = { 83e61f 8d1c8520ae0010 c1e603 8b03 f644300401 7469 57 }
		$sequence_1 = { 72f1 56 8bf1 c1e603 3b96e8710010 }
		$sequence_2 = { c1f805 83e61f 8d1c8520ae0010 c1e603 8b03 }
		$sequence_3 = { ffb6ec710010 8d8560ffffff 50 e8???????? 6810200100 8d8560ffffff }
		$sequence_4 = { 8bd0 c1f905 83e21f 8b0c8d20ae0010 f644d10401 }
		$sequence_5 = { 8d3c8520ae0010 c1e603 8b07 03c6 f6400401 7437 }
		$sequence_6 = { f683c19c001004 7406 8816 46 }
		$sequence_7 = { 8d542434 f3ab 66ab aa }
		$sequence_8 = { 8bc8 83e01f c1f905 8b0c8d20ae0010 8a44c104 }
		$sequence_9 = { 731c 8bc8 83e01f c1f905 8b0c8d20ae0010 f644c10401 8d04c1 }

	condition:
		7 of them and filesize < 98304
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 83e61f 8d1c8520ae0010 c1e603 8b03 f644300401 7469 57 }
$sequence_1hex{ 72f1 56 8bf1 c1e603 3b96e8710010 }
$sequence_2hex{ c1f805 83e61f 8d1c8520ae0010 c1e603 8b03 }
$sequence_3hex{ ffb6ec710010 8d8560ffffff 50 e8???????? 6810200100 8d8560ffffff }
$sequence_4hex{ 8bd0 c1f905 83e21f 8b0c8d20ae0010 f644d10401 }
$sequence_5hex{ 8d3c8520ae0010 c1e603 8b07 03c6 f6400401 7437 }
$sequence_6hex{ f683c19c001004 7406 8816 46 }
$sequence_7hex{ 8d542434 f3ab 66ab aa }
$sequence_8hex{ 8bc8 83e01f c1f905 8b0c8d20ae0010 8a44c104 }
$sequence_9hex{ 731c 8bc8 83e01f c1f905 8b0c8d20ae0010 f644c10401 8d04c1 }

Condition

7 of them and filesize < 98304

In plain words (Heuristic)

  • The file must be smaller than 98304 (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: f1a298d5-70e2-5f27-b6ee-691574cd9abf

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