YARA · Malpedia signator rules
MALPEDIA_Win_Net_Star_Auto
autogenerated rule brought to you by yara-signator
MalwareNet StarMalpedia 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: Net Star.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-net-star-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Net_Star_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "e4a1e4d6-66ac-52a3-a1bf-1a40ab526cfc"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.net_star"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.net_star_auto.yar#L1-L124"
= "N/A"
= "93e5fe016bec66ccfdfdaabf1a580d9d03655d26419d498170f8b7ee102df278"
= 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 = { 281f00000a 1106 281e00000a dc 1109 6f2500000a 1109 }
$sequence_1 = { 6f2400000a 6f2200000a de0f 1107 281f00000a }
$sequence_2 = { 728d000070 2a 07 2802000006 1305 281a00000a }
$sequence_3 = { 740100001b 0c 03 7243000070 6f1500000a }
$sequence_4 = { 1308 1108 731d00000a 1309 1109 }
$sequence_5 = { 09 281100000a 5a 281200000a 1304 08 09 }
$sequence_6 = { 08 09 1104 281300000a a2 09 }
$sequence_7 = { 6f1700000a 6f1500000a 740100001b 0d 09 2d06 725f000070 }
$sequence_8 = { 09 08 8e 69 32dd 08 }
$sequence_9 = { 26 de49 130a 1109 6f2100000a 1109 }
condition:
7 of them and filesize < 50176
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 281f00000a 1106 281e00000a dc 1109 6f2500000a 1109 } | |
| $sequence_1 | hex | { 6f2400000a 6f2200000a de0f 1107 281f00000a } | |
| $sequence_2 | hex | { 728d000070 2a 07 2802000006 1305 281a00000a } | |
| $sequence_3 | hex | { 740100001b 0c 03 7243000070 6f1500000a } | |
| $sequence_4 | hex | { 1308 1108 731d00000a 1309 1109 } | |
| $sequence_5 | hex | { 09 281100000a 5a 281200000a 1304 08 09 } | |
| $sequence_6 | hex | { 08 09 1104 281300000a a2 09 } | |
| $sequence_7 | hex | { 6f1700000a 6f1500000a 740100001b 0d 09 2d06 725f000070 } | |
| $sequence_8 | hex | { 09 08 8e 69 32dd 08 } | |
| $sequence_9 | hex | { 26 de49 130a 1109 6f2100000a 1109 } |
Condition
7 of them and filesize < 50176In plain words (Heuristic)
- The file must be smaller than 50176 (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: e4a1e4d6-66ac-52a3-a1bf-1a40ab526cfc
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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