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MALPEDIA_Win_Oddjob_Auto

autogenerated rule brought to you by yara-signator

MalwareOddjobMalpedia 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: Oddjob.

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

Summary generated from the rule's metadata and condition.

Rule source

win-oddjob-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Oddjob_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "e56ada75-c957-524c-8aa7-1b282aea730b"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.oddjob"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.oddjob_auto.yar#L1-L129"
		license_url = "N/A"
		logic_hash = "915f827e297dcef6713c32c245190ad2b96f0b86022640796013bd5fdaca18ef"
		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 = { c685f8fcffff8a 889df9fcffff 889dfafcffff 889dfbfcffff c685fcfcffff5b c685fdfcffff53 c685fefcffff8b }
		$sequence_1 = { c685d2faffff02 c685d3fafffff3 c685d4faffffab c685d5faffff89 c685d6faffffd1 c685d7faffff83 }
		$sequence_2 = { c68595fdffff81 c68596fdffffce 889d97fdffff c68598fdffff02 889d99fdffff 889d9afdffff c6859bfdffff8b }
		$sequence_3 = { 6a06 33c0 837dfc00 59 8bfe f3ab }
		$sequence_4 = { 57 57 57 ff75f4 8975f8 ff15???????? }
		$sequence_5 = { 8d95ecfeffff 8bcf 8d8530ffffff e8???????? 59 8d85a8feffff }
		$sequence_6 = { 0f853cfeffff 83c304 f685f8fbffff20 741c f685f8fbffff40 899de8fbffff 7406 }
		$sequence_7 = { 56 668985a8c4ffff 8d85aac4ffff 53 50 e8???????? 33c0 }
		$sequence_8 = { c68524fcffff59 c68525fcffff66 c68526fcffff59 c68527fcffff8b c68528fcffff46 c68529fcffff0c c6852afcffff85 }
		$sequence_9 = { 51 e8???????? 83c40c 8bfe 85db 761c }

	condition:
		7 of them and filesize < 221184
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ c685f8fcffff8a 889df9fcffff 889dfafcffff 889dfbfcffff c685fcfcffff5b c685fdfcffff53 c685fefcffff8b }
$sequence_1hex{ c685d2faffff02 c685d3fafffff3 c685d4faffffab c685d5faffff89 c685d6faffffd1 c685d7faffff83 }
$sequence_2hex{ c68595fdffff81 c68596fdffffce 889d97fdffff c68598fdffff02 889d99fdffff 889d9afdffff c6859bfdffff8b }
$sequence_3hex{ 6a06 33c0 837dfc00 59 8bfe f3ab }
$sequence_4hex{ 57 57 57 ff75f4 8975f8 ff15???????? }
$sequence_5hex{ 8d95ecfeffff 8bcf 8d8530ffffff e8???????? 59 8d85a8feffff }
$sequence_6hex{ 0f853cfeffff 83c304 f685f8fbffff20 741c f685f8fbffff40 899de8fbffff 7406 }
$sequence_7hex{ 56 668985a8c4ffff 8d85aac4ffff 53 50 e8???????? 33c0 }
$sequence_8hex{ c68524fcffff59 c68525fcffff66 c68526fcffff59 c68527fcffff8b c68528fcffff46 c68529fcffff0c c6852afcffff85 }
$sequence_9hex{ 51 e8???????? 83c40c 8bfe 85db 761c }

Condition

7 of them and filesize < 221184

In plain words (Heuristic)

  • The file must be smaller than 221184 (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: e56ada75-c957-524c-8aa7-1b282aea730b

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