YARA · Malpedia signator rules
MALPEDIA_Win_Tempedreve_Auto
autogenerated rule brought to you by yara-signator
MalwareTempedreveMalpedia 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: Tempedreve.
It defines 16 patterns (0 text, 16 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-tempedreve-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Tempedreve_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "ece88a21-e480-5800-abd8-2425533deff9"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.tempedreve"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.tempedreve_auto.yar#L1-L167"
= "N/A"
= "5adf34e13e86a9c0f9ad46673434b6e69daf91286b488d91eec438fb1e104306"
= 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 = { 55 56 57 33ff 6a19 }
$sequence_1 = { 83fe05 7563 f7c700000020 741c }
$sequence_2 = { 43 6685c9 75f1 895c2414 }
$sequence_3 = { 0fb6442440 50 0fb7442442 50 0fb7442444 50 ff742444 }
$sequence_4 = { 03c3 89442420 0fb7480e 0fb7400c 03c8 }
$sequence_5 = { 5d 50 ff15???????? 8b442414 }
$sequence_6 = { 85db 7442 8be9 2bee 8bfb }
$sequence_7 = { 8d55f8 6a08 8bcb e8???????? }
$sequence_8 = { 742e 8b4c2460 8b9610040000 2b542450 }
$sequence_9 = { 75ed f7d0 8944241c 61 c20800 60 8b742424 }
$sequence_10 = { 85ff 0f84e6000000 3b7c243c 0f85dc000000 8b542454 8bcf 2bcb }
$sequence_11 = { 7506 43 41 3bda 72f3 8b4c2414 }
$sequence_12 = { 01ae14040000 8d5c2bff eb3d 8b5c2458 85ff 7516 8b4c2428 }
$sequence_13 = { 8b44240c 81ec2c040000 85c0 7509 81c42c040000 }
$sequence_14 = { b8eefbeeab 33c9 57 0fb6b90030cb00 }
$sequence_15 = { 8d0411 3bc7 7602 8bc7 50 8b442414 8beb }
condition:
7 of them and filesize < 155648
}
Strings (16 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 55 56 57 33ff 6a19 } | |
| $sequence_1 | hex | { 83fe05 7563 f7c700000020 741c } | |
| $sequence_2 | hex | { 43 6685c9 75f1 895c2414 } | |
| $sequence_3 | hex | { 0fb6442440 50 0fb7442442 50 0fb7442444 50 ff742444 } | |
| $sequence_4 | hex | { 03c3 89442420 0fb7480e 0fb7400c 03c8 } | |
| $sequence_5 | hex | { 5d 50 ff15???????? 8b442414 } | |
| $sequence_6 | hex | { 85db 7442 8be9 2bee 8bfb } | |
| $sequence_7 | hex | { 8d55f8 6a08 8bcb e8???????? } | |
| $sequence_8 | hex | { 742e 8b4c2460 8b9610040000 2b542450 } | |
| $sequence_9 | hex | { 75ed f7d0 8944241c 61 c20800 60 8b742424 } | |
| $sequence_10 | hex | { 85ff 0f84e6000000 3b7c243c 0f85dc000000 8b542454 8bcf 2bcb } | |
| $sequence_11 | hex | { 7506 43 41 3bda 72f3 8b4c2414 } | |
| $sequence_12 | hex | { 01ae14040000 8d5c2bff eb3d 8b5c2458 85ff 7516 8b4c2428 } | |
| $sequence_13 | hex | { 8b44240c 81ec2c040000 85c0 7509 81c42c040000 } | |
| $sequence_14 | hex | { b8eefbeeab 33c9 57 0fb6b90030cb00 } | |
| $sequence_15 | hex | { 8d0411 3bc7 7602 8bc7 50 8b442414 8beb } |
Condition
7 of them and filesize < 155648In plain words (Heuristic)
- The file must be smaller than 155648 (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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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: ece88a21-e480-5800-abd8-2425533deff9
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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