YARA · Malpedia signator rules
MALPEDIA_Win_Hermes_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 / 75
What this rule detects
autogenerated rule brought to you by yara-signator
Associated malware family: Hermes.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-hermes-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Hermes_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "e0c70b37-3534-5ec9-896d-df28d37ac83b"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.hermes"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.hermes_auto.yar#L1-L110"
= "N/A"
= "9cebd3f3b9d2e80976fdbd5c01dc9dd949fb2f357cdc451f1c746e813ef31267"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { e8???????? 59 59 6890010000 }
$sequence_1 = { 50 6a01 6810660000 ff75fc ff15???????? 85c0 }
$sequence_2 = { 50 6a01 6810660000 ff75fc ff15???????? }
$sequence_3 = { 6a01 ff15???????? 8d45fc 50 }
$sequence_4 = { 83c801 50 6a01 ff75fc }
$sequence_5 = { 6800100000 6888130000 6a00 ff15???????? }
$sequence_6 = { 50 8b4508 83c801 50 6a01 ff75fc ff15???????? }
$sequence_7 = { 8b4508 83c801 50 6a01 }
$sequence_8 = { ff15???????? 6a07 59 be???????? }
$sequence_9 = { 8d45fc 50 ff15???????? 6a20 }
condition:
7 of them and filesize < 7192576
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e8???????? 59 59 6890010000 } | |
| $sequence_1 | hex | { 50 6a01 6810660000 ff75fc ff15???????? 85c0 } | |
| $sequence_2 | hex | { 50 6a01 6810660000 ff75fc ff15???????? } | |
| $sequence_3 | hex | { 6a01 ff15???????? 8d45fc 50 } | |
| $sequence_4 | hex | { 83c801 50 6a01 ff75fc } | |
| $sequence_5 | hex | { 6800100000 6888130000 6a00 ff15???????? } | |
| $sequence_6 | hex | { 50 8b4508 83c801 50 6a01 ff75fc ff15???????? } | |
| $sequence_7 | hex | { 8b4508 83c801 50 6a01 } | |
| $sequence_8 | hex | { ff15???????? 6a07 59 be???????? } | |
| $sequence_9 | hex | { 8d45fc 50 ff15???????? 6a20 } |
Condition
7 of them and filesize < 7192576In plain words (Heuristic)
- The file must be smaller than 7192576 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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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: e0c70b37-3534-5ec9-896d-df28d37ac83b
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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