YARA · Malpedia signator rules
MALPEDIA_Win_Powersniff_Auto
autogenerated rule brought to you by yara-signator
MalwarePowersniffMalpedia 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: Powersniff.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-powersniff-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Powersniff_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "d9a15ab2-f4aa-5861-a29d-0a1142275d5d"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.powersniff"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.powersniff_auto.yar#L1-L122"
= "N/A"
= "16f88330ecf20551c60ee3117d183ea0c8f76719f3c28b652c50ef00521f303c"
= 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 = { 3314b590800010 8b75ec c1ee18 3314b590780010 0fb675fc }
$sequence_1 = { 7558 8d45f0 50 8d45f8 }
$sequence_2 = { 6800000020 8d4590 50 ffd3 50 8d4590 50 }
$sequence_3 = { 8b4d0c 8364241000 8901 8b44242c }
$sequence_4 = { 68???????? ffd6 85c0 0f8592000000 68???????? ffd6 85c0 }
$sequence_5 = { 8d45ec 50 8d45f8 50 ff75f4 e8???????? }
$sequence_6 = { 85db 7521 e8???????? 8bd8 85db 7516 ff75f8 }
$sequence_7 = { 85c0 7405 3b4508 7210 ff45fc }
$sequence_8 = { 393d???????? 7578 8b35???????? 6800010000 57 ff35???????? }
$sequence_9 = { ff7614 ffd7 8b4d74 8b4570 03c1 8b4d7c 03c1 }
condition:
7 of them and filesize < 90112
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 3314b590800010 8b75ec c1ee18 3314b590780010 0fb675fc } | |
| $sequence_1 | hex | { 7558 8d45f0 50 8d45f8 } | |
| $sequence_2 | hex | { 6800000020 8d4590 50 ffd3 50 8d4590 50 } | |
| $sequence_3 | hex | { 8b4d0c 8364241000 8901 8b44242c } | |
| $sequence_4 | hex | { 68???????? ffd6 85c0 0f8592000000 68???????? ffd6 85c0 } | |
| $sequence_5 | hex | { 8d45ec 50 8d45f8 50 ff75f4 e8???????? } | |
| $sequence_6 | hex | { 85db 7521 e8???????? 8bd8 85db 7516 ff75f8 } | |
| $sequence_7 | hex | { 85c0 7405 3b4508 7210 ff45fc } | |
| $sequence_8 | hex | { 393d???????? 7578 8b35???????? 6800010000 57 ff35???????? } | |
| $sequence_9 | hex | { ff7614 ffd7 8b4d74 8b4570 03c1 8b4d7c 03c1 } |
Condition
7 of them and filesize < 90112In plain words (Heuristic)
- The file must be smaller than 90112 (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: d9a15ab2-f4aa-5861-a29d-0a1142275d5d
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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