YARA · Malpedia signator rules
MALPEDIA_Win_Sagerunex_Auto
autogenerated rule brought to you by yara-signator
MalwareSagerunexMalpedia 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: Sagerunex.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-sagerunex-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Sagerunex_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "31ca12b9-5fde-5f6f-9082-f650f20522e0"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.sagerunex"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.sagerunex_auto.yar#L1-L132"
= "N/A"
= "c1e12e0e32073778914faf79dfeb0160f7d08b447bf0dc11191b315eee3d58c4"
= 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 = { 488bbc2468010000 488d4510 660f1f440000 c60000 488d4001 48ffcb 75f4 }
$sequence_1 = { e8???????? bb40000000 498d9698000000 448bc3 498bce 49c70600000000 41c7460801234567 }
$sequence_2 = { b85c000000 6689844d40030000 48ffc9 4885c9 7fe0 33d2 488d8dc2000000 }
$sequence_3 = { 0fbaef11 eb2b 488d1535e90000 41b807000000 488bcb e8???????? 85c0 }
$sequence_4 = { 771b 7216 4883e808 48ffca 75e9 eb17 483bc2 }
$sequence_5 = { 33d0 8bc1 418bcf c1e80a 33d0 418bc7 c1c10e }
$sequence_6 = { 4833c4 488985a0070000 458bf8 4c8bf2 488bd9 e8???????? 4533ed }
$sequence_7 = { 7509 4883e908 49ffc8 75f2 488b4310 bd40000000 4e8b0cc0 }
$sequence_8 = { 0f1f4000 660f1f840000000000 488b06 493bee 498bfe }
$sequence_9 = { 8bcf e8???????? 8d4b01 418bc4 0fafcb f7e9 c1fa02 }
condition:
7 of them and filesize < 619520
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 488bbc2468010000 488d4510 660f1f440000 c60000 488d4001 48ffcb 75f4 } | |
| $sequence_1 | hex | { e8???????? bb40000000 498d9698000000 448bc3 498bce 49c70600000000 41c7460801234567 } | |
| $sequence_2 | hex | { b85c000000 6689844d40030000 48ffc9 4885c9 7fe0 33d2 488d8dc2000000 } | |
| $sequence_3 | hex | { 0fbaef11 eb2b 488d1535e90000 41b807000000 488bcb e8???????? 85c0 } | |
| $sequence_4 | hex | { 771b 7216 4883e808 48ffca 75e9 eb17 483bc2 } | |
| $sequence_5 | hex | { 33d0 8bc1 418bcf c1e80a 33d0 418bc7 c1c10e } | |
| $sequence_6 | hex | { 4833c4 488985a0070000 458bf8 4c8bf2 488bd9 e8???????? 4533ed } | |
| $sequence_7 | hex | { 7509 4883e908 49ffc8 75f2 488b4310 bd40000000 4e8b0cc0 } | |
| $sequence_8 | hex | { 0f1f4000 660f1f840000000000 488b06 493bee 498bfe } | |
| $sequence_9 | hex | { 8bcf e8???????? 8d4b01 418bc4 0fafcb f7e9 c1fa02 } |
Condition
7 of them and filesize < 619520In plain words (Heuristic)
- The file must be smaller than 619520 (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: 31ca12b9-5fde-5f6f-9082-f650f20522e0
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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