YARA · Malpedia signator rules
MALPEDIA_Win_Shapeshift_Auto
autogenerated rule brought to you by yara-signator
MalwareShapeshiftMalpedia 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: Shapeshift.
It defines 8 patterns (0 text, 8 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-shapeshift-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Shapeshift_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "6d7aa9c7-5847-57a6-a98b-75364e192c85"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.shapeshift"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.shapeshift_auto.yar#L1-L104"
= "N/A"
= "6f12e849941c0807eb033d7cde564e6455bdc7f653a44fbfb21fa8b6b5270414"
= 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 = { c745e04c804100 e9???????? c745dc02000000 c745e04c804100 }
$sequence_1 = { 0fbf0d???????? 8bd0 83c404 0fb689589a4100 880a 0fbf0d???????? 52 }
$sequence_2 = { a1???????? 89442448 66a1???????? 668944244c a0???????? 8844244e }
$sequence_3 = { 8bf8 6882000000 57 ff15???????? 6a00 }
$sequence_4 = { 83ec1c 56 6a00 68???????? 6a00 6810040000 }
$sequence_5 = { 83c604 03c8 890d???????? 83fe08 72e2 890cbb 47 }
$sequence_6 = { 660fc5cc03 25ff000000 83c001 25fe010000 f20f593c85109c4100 660f122c85109c4100 }
$sequence_7 = { 3bbdc8fdffff 89bddcfdffff 8b3d???????? 0f82c6fdffff 8bc3 }
condition:
7 of them and filesize < 303104
}
Strings (8 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { c745e04c804100 e9???????? c745dc02000000 c745e04c804100 } | |
| $sequence_1 | hex | { 0fbf0d???????? 8bd0 83c404 0fb689589a4100 880a 0fbf0d???????? 52 } | |
| $sequence_2 | hex | { a1???????? 89442448 66a1???????? 668944244c a0???????? 8844244e } | |
| $sequence_3 | hex | { 8bf8 6882000000 57 ff15???????? 6a00 } | |
| $sequence_4 | hex | { 83ec1c 56 6a00 68???????? 6a00 6810040000 } | |
| $sequence_5 | hex | { 83c604 03c8 890d???????? 83fe08 72e2 890cbb 47 } | |
| $sequence_6 | hex | { 660fc5cc03 25ff000000 83c001 25fe010000 f20f593c85109c4100 660f122c85109c4100 } | |
| $sequence_7 | hex | { 3bbdc8fdffff 89bddcfdffff 8b3d???????? 0f82c6fdffff 8bc3 } |
Condition
7 of them and filesize < 303104In plain words (Heuristic)
- The file must be smaller than 303104 (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: 6d7aa9c7-5847-57a6-a98b-75364e192c85
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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