YARA · Malpedia signator rules
MALPEDIA_Win_Rustyrocket_Auto
autogenerated rule brought to you by yara-signator
MalwareRustyrocketMalpedia 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: Rustyrocket.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-rustyrocket-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Rustyrocket_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "43f1bcd1-44c4-5210-ba05-68e3a5d52df4"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.rustyrocket"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.rustyrocket_auto.yar#L1-L134"
= "N/A"
= "ff3cc83b3d1dd755ceab49439ee02182c6c28d21fe475a34f3b57f76a51792f4"
= 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 = { 8b5008 e9???????? 56 57 53 4883ec40 4889ce }
$sequence_1 = { f048ff08 750c 488b8f48010000 e8???????? 48b80200000000000080 48394768 740c }
$sequence_2 = { ff15???????? 31c0 48898424b0010000 48c78424b801000001000000 48898424c0010000 807c243700 7452 }
$sequence_3 = { e8???????? 488bbc2480000000 448b74243c eb12 488b4c2448 488d942490000000 e8???????? }
$sequence_4 = { c3 83f909 751b 89d8 2500ff0000 0fb7c0 3d00030000 }
$sequence_5 = { eb26 483b442420 4c8b442428 0f83b3010000 486bc068 49833c0000 0f84ea010000 }
$sequence_6 = { eb10 85c0 0f849cf4ffff 4c8d8424b0000000 41c60008 488d05ac9f1400 4889442420 }
$sequence_7 = { eb33 0f10442470 0f108c2480000000 0f294c2430 0f29442420 0f10842490000000 0f108c24a0000000 }
$sequence_8 = { bd04000000 e9???????? b802000000 31ff 41bc04000000 c744242c00000000 488d150a852a00 }
$sequence_9 = { ba48000000 4c8b44d440 4d89c1 49c1e908 4d31c1 4921c1 4d31c8 }
condition:
7 of them and filesize < 6786048
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8b5008 e9???????? 56 57 53 4883ec40 4889ce } | |
| $sequence_1 | hex | { f048ff08 750c 488b8f48010000 e8???????? 48b80200000000000080 48394768 740c } | |
| $sequence_2 | hex | { ff15???????? 31c0 48898424b0010000 48c78424b801000001000000 48898424c0010000 807c243700 7452 } | |
| $sequence_3 | hex | { e8???????? 488bbc2480000000 448b74243c eb12 488b4c2448 488d942490000000 e8???????? } | |
| $sequence_4 | hex | { c3 83f909 751b 89d8 2500ff0000 0fb7c0 3d00030000 } | |
| $sequence_5 | hex | { eb26 483b442420 4c8b442428 0f83b3010000 486bc068 49833c0000 0f84ea010000 } | |
| $sequence_6 | hex | { eb10 85c0 0f849cf4ffff 4c8d8424b0000000 41c60008 488d05ac9f1400 4889442420 } | |
| $sequence_7 | hex | { eb33 0f10442470 0f108c2480000000 0f294c2430 0f29442420 0f10842490000000 0f108c24a0000000 } | |
| $sequence_8 | hex | { bd04000000 e9???????? b802000000 31ff 41bc04000000 c744242c00000000 488d150a852a00 } | |
| $sequence_9 | hex | { ba48000000 4c8b44d440 4d89c1 49c1e908 4d31c1 4921c1 4d31c8 } |
Condition
7 of them and filesize < 6786048In plain words (Heuristic)
- The file must be smaller than 6786048 (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: 43f1bcd1-44c4-5210-ba05-68e3a5d52df4
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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