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MALPEDIA_Win_Eddiestealer_Auto

autogenerated rule brought to you by yara-signator

MalwareEddiestealerMalpedia 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: Eddiestealer.

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

Summary generated from the rule's metadata and condition.

Rule source

win-eddiestealer-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Eddiestealer_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "d6a6194e-8020-5674-b6fc-b5e602d1fa65"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.eddiestealer"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.eddiestealer_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "f37aa12ba0ce685b368f6fb98d1254dd5b6092f3d1dd5609acddf5f9ebe1617c"
		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 = { 4c897110 48c7411801000000 e8???????? 83bc248000000006 0f8578260000 e8???????? 488b4808 }
		$sequence_1 = { c702818a2dbe 488d442470 8b10 e8???????? 0f29b424b0000000 0f29b424c0000000 0f11b424cc000000 }
		$sequence_2 = { e8???????? b003 31c9 483b0b 701d 488b442450 48894628 }
		$sequence_3 = { 660f6f842410010000 f30f7f02 488b8c241e010000 48894a0e 4c8d8424d0030000 498900 49895008 }
		$sequence_4 = { 89c2 d1c2 31c2 b8311b0000 29d0 25f9ff0000 4801c8 }
		$sequence_5 = { 81fa00fc0000 0f8270010000 c745fc00000000 4983c504 81e1ff030000 c1e110 25ff030000 }
		$sequence_6 = { 488945c0 48894610 0f1106 488d155b420200 4889f0 4883c478 5e }
		$sequence_7 = { 488901 4c8d442440 498908 488d05ee200400 4889442420 488d0d46fd0400 4c8d0db3270300 }
		$sequence_8 = { ba01000000 488d4c2458 4531c0 e8???????? 488d8c2410010000 4889da e8???????? }
		$sequence_9 = { e8???????? 4889f1 e8???????? 4885c0 0f8550170000 48b80100000002000000 4c8d6570 }

	condition:
		7 of them and filesize < 1316864
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 4c897110 48c7411801000000 e8???????? 83bc248000000006 0f8578260000 e8???????? 488b4808 }
$sequence_1hex{ c702818a2dbe 488d442470 8b10 e8???????? 0f29b424b0000000 0f29b424c0000000 0f11b424cc000000 }
$sequence_2hex{ e8???????? b003 31c9 483b0b 701d 488b442450 48894628 }
$sequence_3hex{ 660f6f842410010000 f30f7f02 488b8c241e010000 48894a0e 4c8d8424d0030000 498900 49895008 }
$sequence_4hex{ 89c2 d1c2 31c2 b8311b0000 29d0 25f9ff0000 4801c8 }
$sequence_5hex{ 81fa00fc0000 0f8270010000 c745fc00000000 4983c504 81e1ff030000 c1e110 25ff030000 }
$sequence_6hex{ 488945c0 48894610 0f1106 488d155b420200 4889f0 4883c478 5e }
$sequence_7hex{ 488901 4c8d442440 498908 488d05ee200400 4889442420 488d0d46fd0400 4c8d0db3270300 }
$sequence_8hex{ ba01000000 488d4c2458 4531c0 e8???????? 488d8c2410010000 4889da e8???????? }
$sequence_9hex{ e8???????? 4889f1 e8???????? 4885c0 0f8550170000 48b80100000002000000 4c8d6570 }

Condition

7 of them and filesize < 1316864

In plain words (Heuristic)

  • The file must be smaller than 1316864 (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: d6a6194e-8020-5674-b6fc-b5e602d1fa65

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