YARA · Malpedia signator rules
MALPEDIA_Win_Flame_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: Flame.
It defines 15 patterns (0 text, 15 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-flame-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Flame_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "5fe3e6d2-6698-50d6-916f-b37f13216be6"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.flame"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.flame_auto.yar#L1-L162"
= "N/A"
= "8f555ca35148ecb33315122be41be7225ffb4ae39d1e9243b0934ee30005950d"
= 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 = { 741a 83f901 7415 e8???????? c70016000000 }
$sequence_1 = { 8bc3 442bfb 4c03e8 4533db }
$sequence_2 = { 57 50 895dd0 895dd4 e8???????? 83c40c 85c0 }
$sequence_3 = { 8bc3 488b9c2480010000 4881c450010000 415d }
$sequence_4 = { 8365fc00 e9???????? b8???????? e8???????? 83ec28 }
$sequence_5 = { ffd7 90 eb00 4883c430 5f 5e }
$sequence_6 = { 8bc3 4823c8 8b348e eb27 f6c240 0f8539020000 }
$sequence_7 = { 83fb10 741c 83fb18 740e 83fb20 7519 }
$sequence_8 = { 8bc3 482bd0 448bc3 44396710 }
$sequence_9 = { 742a ffc9 0f84f4000000 ffc9 }
$sequence_10 = { 8b721c 3bf0 7447 39420c 7442 3902 7505 }
$sequence_11 = { 8bc3 4823c2 eb22 f6c210 7547 f6c240 0f85d1020000 }
$sequence_12 = { 33c0 eb2c 6aff 56 ff15???????? 59 59 }
$sequence_13 = { 1bc0 c1ee1e f7d8 83e601 c1ef1f }
$sequence_14 = { 83f8ff 7516 8d4dd4 e8???????? 68???????? 8d45d4 }
condition:
7 of them and filesize < 1676288
}
Strings (15 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 741a 83f901 7415 e8???????? c70016000000 } | |
| $sequence_1 | hex | { 8bc3 442bfb 4c03e8 4533db } | |
| $sequence_2 | hex | { 57 50 895dd0 895dd4 e8???????? 83c40c 85c0 } | |
| $sequence_3 | hex | { 8bc3 488b9c2480010000 4881c450010000 415d } | |
| $sequence_4 | hex | { 8365fc00 e9???????? b8???????? e8???????? 83ec28 } | |
| $sequence_5 | hex | { ffd7 90 eb00 4883c430 5f 5e } | |
| $sequence_6 | hex | { 8bc3 4823c8 8b348e eb27 f6c240 0f8539020000 } | |
| $sequence_7 | hex | { 83fb10 741c 83fb18 740e 83fb20 7519 } | |
| $sequence_8 | hex | { 8bc3 482bd0 448bc3 44396710 } | |
| $sequence_9 | hex | { 742a ffc9 0f84f4000000 ffc9 } | |
| $sequence_10 | hex | { 8b721c 3bf0 7447 39420c 7442 3902 7505 } | |
| $sequence_11 | hex | { 8bc3 4823c2 eb22 f6c210 7547 f6c240 0f85d1020000 } | |
| $sequence_12 | hex | { 33c0 eb2c 6aff 56 ff15???????? 59 59 } | |
| $sequence_13 | hex | { 1bc0 c1ee1e f7d8 83e601 c1ef1f } | |
| $sequence_14 | hex | { 83f8ff 7516 8d4dd4 e8???????? 68???????? 8d45d4 } |
Condition
7 of them and filesize < 1676288In plain words (Heuristic)
- The file must be smaller than 1676288 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
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: 5fe3e6d2-6698-50d6-916f-b37f13216be6
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
Related rules
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04