YARA · Malpedia signator rules
MALPEDIA_Win_Gh0Sttimes_Auto
autogenerated rule brought to you by yara-signator
MalwareGh0SttimesMalpedia 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: Gh0Sttimes.
It defines 16 patterns (0 text, 16 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-gh0sttimes-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Gh0Sttimes_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "2028152d-f093-5075-ad77-f8733414934c"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.gh0sttimes"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.gh0sttimes_auto.yar#L1-L172"
= "N/A"
= "dc373d21fda2558878d5968a55300998ae823af397656d40689db567f48fafce"
= 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 = { e8???????? c745fcffffffff 8b03 50 c7431400000000 e8???????? 83c408 }
$sequence_1 = { e8???????? 8be5 5d c20400 80bdd0fcffff2e 7448 f685a4fcffff10 }
$sequence_2 = { 8d95d4fcffff 52 ffd3 8b8d88fbffff }
$sequence_3 = { 6a08 68ffff0000 50 c645a301 ff15???????? 85c0 753a }
$sequence_4 = { 52 8b55bc 8d45c0 50 8d4db4 }
$sequence_5 = { 7512 8b4de0 8b55e4 898f64010000 899768010000 5e }
$sequence_6 = { 85c0 7526 8b35???????? 68???????? 8d85ecfeffff 50 ffd6 }
$sequence_7 = { 52 ffd6 85c0 752f }
$sequence_8 = { 48f7d1 488d79ff 488d8c2460020000 e8???????? 488d15674e0300 488d8c2462020000 }
$sequence_9 = { 488bb424d0020000 488bbc24a0020000 488bac24c8020000 488b8c2490020000 4833cc }
$sequence_10 = { ff15???????? 4c8d5c2458 488d942400020000 41b919010200 4533c0 48c7c100000080 4c895c2420 }
$sequence_11 = { 48c7442420feffffff 488b05???????? 4833c4 48898424e0010000 488d4c2460 }
$sequence_12 = { 488b442420 8178089a020000 0f84c5010000 488b442420 }
$sequence_13 = { 488b05???????? 4833c4 48898424a0010000 8b4158 488bf1 bf03000000 }
$sequence_14 = { 48894c2420 0f1f4000 807f2c2e 0f848f000000 f60710 4c8d4f2c }
$sequence_15 = { 4863c2 410fb652fe 420fb68c0800010000 418d0408 }
condition:
7 of them and filesize < 548864
}
Strings (16 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e8???????? c745fcffffffff 8b03 50 c7431400000000 e8???????? 83c408 } | |
| $sequence_1 | hex | { e8???????? 8be5 5d c20400 80bdd0fcffff2e 7448 f685a4fcffff10 } | |
| $sequence_2 | hex | { 8d95d4fcffff 52 ffd3 8b8d88fbffff } | |
| $sequence_3 | hex | { 6a08 68ffff0000 50 c645a301 ff15???????? 85c0 753a } | |
| $sequence_4 | hex | { 52 8b55bc 8d45c0 50 8d4db4 } | |
| $sequence_5 | hex | { 7512 8b4de0 8b55e4 898f64010000 899768010000 5e } | |
| $sequence_6 | hex | { 85c0 7526 8b35???????? 68???????? 8d85ecfeffff 50 ffd6 } | |
| $sequence_7 | hex | { 52 ffd6 85c0 752f } | |
| $sequence_8 | hex | { 48f7d1 488d79ff 488d8c2460020000 e8???????? 488d15674e0300 488d8c2462020000 } | |
| $sequence_9 | hex | { 488bb424d0020000 488bbc24a0020000 488bac24c8020000 488b8c2490020000 4833cc } | |
| $sequence_10 | hex | { ff15???????? 4c8d5c2458 488d942400020000 41b919010200 4533c0 48c7c100000080 4c895c2420 } | |
| $sequence_11 | hex | { 48c7442420feffffff 488b05???????? 4833c4 48898424e0010000 488d4c2460 } | |
| $sequence_12 | hex | { 488b442420 8178089a020000 0f84c5010000 488b442420 } | |
| $sequence_13 | hex | { 488b05???????? 4833c4 48898424a0010000 8b4158 488bf1 bf03000000 } | |
| $sequence_14 | hex | { 48894c2420 0f1f4000 807f2c2e 0f848f000000 f60710 4c8d4f2c } | |
| $sequence_15 | hex | { 4863c2 410fb652fe 420fb68c0800010000 418d0408 } |
Condition
7 of them and filesize < 548864In plain words (Heuristic)
- The file must be smaller than 548864 (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: 2028152d-f093-5075-ad77-f8733414934c
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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