YARA · Malpedia signator rules
MALPEDIA_Win_Zeus_Auto
autogenerated rule brought to you by yara-signator
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modified
- 2026-05-18
- Score / Quality
- 75 / 73
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Zeus.
It defines 23 patterns (0 text, 23 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-zeus-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Zeus_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "9cff0bfd-9b06-576a-8e72-e4d85e4ecc7f"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.zeus"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.zeus_auto.yar#L1-L222"
= "N/A"
= "66e72d904644f02d2fc5f424827c224768e932373fac617050d2c0bc5f04cb35"
= 75
= 73
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { eb58 833f00 7651 8b5f08 }
$sequence_1 = { 885dff 53 53 6a03 }
$sequence_2 = { 83e900 741e 49 740c }
$sequence_3 = { 8b0d???????? 03c8 830904 8b0d???????? }
$sequence_4 = { 83e81c 50 8d461c 50 8d45f0 50 e8???????? }
$sequence_5 = { 8d4301 8d75fc e8???????? 8b75fc }
$sequence_6 = { ebd7 8b4514 85c0 7409 8338ff }
$sequence_7 = { 885dff 395d0c 7415 ff750c 53 683a040000 ff15???????? }
$sequence_8 = { 891d???????? 891d???????? ffd6 68???????? }
$sequence_9 = { 8bf3 6810270000 ff35???????? ff15???????? }
$sequence_10 = { e8???????? 84c0 7442 6a10 }
$sequence_11 = { 8d8db0fdffff e8???????? 8ad8 84db }
$sequence_12 = { c20400 55 8bec f6451802 }
$sequence_13 = { 5e 8ac3 5b c20800 55 8bec 83e4f8 }
$sequence_14 = { 894736 8d470c 50 c707000e0000 c7470809080002 e8???????? }
$sequence_15 = { b001 5b 8be5 5d c3 66833d????????00 56 }
$sequence_16 = { 0f84ac000000 b809080002 3945f4 7713 }
$sequence_17 = { 5b 8bc6 c745f809080002 e8???????? 8ad8 f6450c04 7473 }
$sequence_18 = { 68e6010000 68???????? 6809080002 8bc6 50 8d45fc }
$sequence_19 = { 3d59495351 0f85ca000000 807b0420 0f85c0000000 33c0 }
$sequence_20 = { 740c 81fb45415356 0f85b2000000 b365 6a15 }
$sequence_21 = { 2501000080 7905 48 83c8fe 40 ff75f4 f7d8 }
$sequence_22 = { 81fb5d515047 7410 81fb4f4d4156 7408 81fb59495354 7506 }
condition:
7 of them and filesize < 319488
}
Strings (23 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { eb58 833f00 7651 8b5f08 } | |
| $sequence_1 | hex | { 885dff 53 53 6a03 } | |
| $sequence_2 | hex | { 83e900 741e 49 740c } | |
| $sequence_3 | hex | { 8b0d???????? 03c8 830904 8b0d???????? } | |
| $sequence_4 | hex | { 83e81c 50 8d461c 50 8d45f0 50 e8???????? } | |
| $sequence_5 | hex | { 8d4301 8d75fc e8???????? 8b75fc } | |
| $sequence_6 | hex | { ebd7 8b4514 85c0 7409 8338ff } | |
| $sequence_7 | hex | { 885dff 395d0c 7415 ff750c 53 683a040000 ff15???????? } | |
| $sequence_8 | hex | { 891d???????? 891d???????? ffd6 68???????? } | |
| $sequence_9 | hex | { 8bf3 6810270000 ff35???????? ff15???????? } | |
| $sequence_10 | hex | { e8???????? 84c0 7442 6a10 } | |
| $sequence_11 | hex | { 8d8db0fdffff e8???????? 8ad8 84db } | |
| $sequence_12 | hex | { c20400 55 8bec f6451802 } | |
| $sequence_13 | hex | { 5e 8ac3 5b c20800 55 8bec 83e4f8 } | |
| $sequence_14 | hex | { 894736 8d470c 50 c707000e0000 c7470809080002 e8???????? } | |
| $sequence_15 | hex | { b001 5b 8be5 5d c3 66833d????????00 56 } | |
| $sequence_16 | hex | { 0f84ac000000 b809080002 3945f4 7713 } | |
| $sequence_17 | hex | { 5b 8bc6 c745f809080002 e8???????? 8ad8 f6450c04 7473 } | |
| $sequence_18 | hex | { 68e6010000 68???????? 6809080002 8bc6 50 8d45fc } | |
| $sequence_19 | hex | { 3d59495351 0f85ca000000 807b0420 0f85c0000000 33c0 } | |
| $sequence_20 | hex | { 740c 81fb45415356 0f85b2000000 b365 6a15 } | |
| $sequence_21 | hex | { 2501000080 7905 48 83c8fe 40 ff75f4 f7d8 } | |
| $sequence_22 | hex | { 81fb5d515047 7410 81fb4f4d4156 7408 81fb59495354 7506 } |
Condition
7 of them and filesize < 319488In plain words (Heuristic)
- The file must be smaller than 319488 (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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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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)
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 9cff0bfd-9b06-576a-8e72-e4d85e4ecc7f
Metadata
| 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 |
Tags:FILE
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