YARA · Malpedia signator rules
MALPEDIA_Win_Strifewater_Rat_Auto
autogenerated rule brought to you by yara-signator
MalwareStrifewater RatMalpedia 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: Strifewater Rat.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-strifewater-rat-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Strifewater_Rat_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "821abdbc-f36b-57c1-b32d-ed62442c83e9"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.strifewater_rat"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.strifewater_rat_auto.yar#L1-L132"
= "N/A"
= "bd524a7aa50f701f9d826d21df3ead7d5391e4b4f29847537d8735b10bbed52d"
= 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 = { 33c0 48894522 448d4005 488d542440 488d4d20 e8???????? 48897c2478 }
$sequence_1 = { 4883c420 5f c3 488d0d029a0800 e8???????? cc }
$sequence_2 = { 488907 488bcb ff15???????? 488bc8 e8???????? 488d15d0f50300 48894708 }
$sequence_3 = { 488d0d953d0300 48890b 488d5308 33c9 48890a 48894a08 488d4808 }
$sequence_4 = { 8d43ff 4863c8 b25d 381439 7418 488bc3 4885c0 }
$sequence_5 = { 4d8be1 33c0 498be8 4c8d0dd796faff 4c8bea f04f0fb1bcf170f40a00 }
$sequence_6 = { 33c9 48890a 48894a08 488d4808 e8???????? 488d05711c0400 488903 }
$sequence_7 = { 488d1537e4ffff 488d4d00 e8???????? 488bd8 488d8d90010000 e8???????? 488d056c0d0900 }
$sequence_8 = { 488bf1 48894c2458 4533ff 44897c2444 0fb705???????? 6689442440 8a05???????? }
$sequence_9 = { 488d1526f00500 488d4c2440 e8???????? cc ff15???????? 0fb7d0 488d4c2460 }
condition:
7 of them and filesize < 1552384
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 33c0 48894522 448d4005 488d542440 488d4d20 e8???????? 48897c2478 } | |
| $sequence_1 | hex | { 4883c420 5f c3 488d0d029a0800 e8???????? cc } | |
| $sequence_2 | hex | { 488907 488bcb ff15???????? 488bc8 e8???????? 488d15d0f50300 48894708 } | |
| $sequence_3 | hex | { 488d0d953d0300 48890b 488d5308 33c9 48890a 48894a08 488d4808 } | |
| $sequence_4 | hex | { 8d43ff 4863c8 b25d 381439 7418 488bc3 4885c0 } | |
| $sequence_5 | hex | { 4d8be1 33c0 498be8 4c8d0dd796faff 4c8bea f04f0fb1bcf170f40a00 } | |
| $sequence_6 | hex | { 33c9 48890a 48894a08 488d4808 e8???????? 488d05711c0400 488903 } | |
| $sequence_7 | hex | { 488d1537e4ffff 488d4d00 e8???????? 488bd8 488d8d90010000 e8???????? 488d056c0d0900 } | |
| $sequence_8 | hex | { 488bf1 48894c2458 4533ff 44897c2444 0fb705???????? 6689442440 8a05???????? } | |
| $sequence_9 | hex | { 488d1526f00500 488d4c2440 e8???????? cc ff15???????? 0fb7d0 488d4c2460 } |
Condition
7 of them and filesize < 1552384In plain words (Heuristic)
- The file must be smaller than 1552384 (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: 821abdbc-f36b-57c1-b32d-ed62442c83e9
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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