YARA · Malpedia signator rules
MALPEDIA_Win_Charon_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: Charon.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-charon-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Charon_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "ba7f61e1-20f8-5a1b-a920-eb2b184a6a30"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.charon"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.charon_auto.yar#L1-L131"
= "N/A"
= "b598f6a92625e1a420ae9769010cbdb9620b00ca9e122ec89fe53d450382c38a"
= 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 = { 890424 8b442420 390424 0f8db2000000 48630424 488b4c2428 488b04c1 }
$sequence_1 = { 89842488000000 b804000000 486bc00a 488b8c2460020000 8b840100100000 c1e018 b904000000 }
$sequence_2 = { 89840a40100000 8b0424 0509020000 8bc0 488b8c2460020000 8b0481 c1e017 }
$sequence_3 = { 8b8c24dc000000 33c8 8bc1 8b8c24e0000000 03c8 8bc1 8b0c24 }
$sequence_4 = { 833c240a 7365 8b0424 8b0c24 488b542420 4c8b442428 }
$sequence_5 = { 8b4c2408 03c8 8bc1 0384249c000000 89442410 8b442424 8b4c243c }
$sequence_6 = { 89442468 b804000000 486bc008 488b8c2460020000 8b840100100000 c1e018 b904000000 }
$sequence_7 = { 4889040a b808000000 486bc001 488b4c2410 48630401 48d1e0 }
$sequence_8 = { 8b442418 ffc0 4898 8b84c4a0010000 03442408 03842484010000 89442410 }
$sequence_9 = { 48894c2408 4881ec58020000 488b842460020000 8b8080100000 25ff010000 890424 }
condition:
7 of them and filesize < 254976
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 890424 8b442420 390424 0f8db2000000 48630424 488b4c2428 488b04c1 } | |
| $sequence_1 | hex | { 89842488000000 b804000000 486bc00a 488b8c2460020000 8b840100100000 c1e018 b904000000 } | |
| $sequence_2 | hex | { 89840a40100000 8b0424 0509020000 8bc0 488b8c2460020000 8b0481 c1e017 } | |
| $sequence_3 | hex | { 8b8c24dc000000 33c8 8bc1 8b8c24e0000000 03c8 8bc1 8b0c24 } | |
| $sequence_4 | hex | { 833c240a 7365 8b0424 8b0c24 488b542420 4c8b442428 } | |
| $sequence_5 | hex | { 8b4c2408 03c8 8bc1 0384249c000000 89442410 8b442424 8b4c243c } | |
| $sequence_6 | hex | { 89442468 b804000000 486bc008 488b8c2460020000 8b840100100000 c1e018 b904000000 } | |
| $sequence_7 | hex | { 4889040a b808000000 486bc001 488b4c2410 48630401 48d1e0 } | |
| $sequence_8 | hex | { 8b442418 ffc0 4898 8b84c4a0010000 03442408 03842484010000 89442410 } | |
| $sequence_9 | hex | { 48894c2408 4881ec58020000 488b842460020000 8b8080100000 25ff010000 890424 } |
Condition
7 of them and filesize < 254976In plain words (Heuristic)
- The file must be smaller than 254976 (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: ba7f61e1-20f8-5a1b-a920-eb2b184a6a30
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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