YARA · Malpedia signator rules
MALPEDIA_Win_Dragonforce_Auto
autogenerated rule brought to you by yara-signator
MalwareDragonforceMalpedia 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: Dragonforce.
It defines 8 patterns (0 text, 8 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-dragonforce-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Dragonforce_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1817739a-91cc-53f3-919d-bf28dd19ea0a"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.dragonforce"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.dragonforce_auto.yar#L1-L90"
= "N/A"
= "718aa6dbfb4ef625389210507fdc2d7ae7dea855b69bf0091e28035538d512da"
= 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 = { c645e67c c645e75a c645e87c c645e92a }
$sequence_1 = { 7459 8b8d8cf7ffff 8b85b8f7ffff 83c002 }
$sequence_2 = { 83c404 85c9 0f8484020000 8d4123 }
$sequence_3 = { 85d2 0f8463000000 8b8c24bc000000 b8c94216b2 }
$sequence_4 = { 8d8d98faffff c68598faffff00 c68599faffff25 c6859afaffff75 }
$sequence_5 = { 8d8424c0050000 8bcc 50 e8???????? }
$sequence_6 = { 8a4435dd 0fb6c0 6bc81a b81a000000 }
$sequence_7 = { c645bb27 c645bc6d c645bd32 c645be6d }
condition:
7 of them and filesize < 879616
}
Strings (8 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { c645e67c c645e75a c645e87c c645e92a } | |
| $sequence_1 | hex | { 7459 8b8d8cf7ffff 8b85b8f7ffff 83c002 } | |
| $sequence_2 | hex | { 83c404 85c9 0f8484020000 8d4123 } | |
| $sequence_3 | hex | { 85d2 0f8463000000 8b8c24bc000000 b8c94216b2 } | |
| $sequence_4 | hex | { 8d8d98faffff c68598faffff00 c68599faffff25 c6859afaffff75 } | |
| $sequence_5 | hex | { 8d8424c0050000 8bcc 50 e8???????? } | |
| $sequence_6 | hex | { 8a4435dd 0fb6c0 6bc81a b81a000000 } | |
| $sequence_7 | hex | { c645bb27 c645bc6d c645bd32 c645be6d } |
Condition
7 of them and filesize < 879616In plain words (Heuristic)
- The file must be smaller than 879616 (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: 1817739a-91cc-53f3-919d-bf28dd19ea0a
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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