YARA · Malpedia signator rules
MALPEDIA_Win_Rarog_Auto
autogenerated rule brought to you by yara-signator
- 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: Rarog.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-rarog-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Rarog_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "e020263d-ee7c-5d98-8049-179a71cab21f"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.rarog"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.rarog_auto.yar#L1-L127"
= "N/A"
= "6d71ef483d3bf9549ac5f129736d3e4e238e402d10434b4694a95dd62d034597"
= 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 = { 8d8d24feffff e8???????? 6860ea0000 ff15???????? 33f6 }
$sequence_1 = { 8b450c e8???????? 8bf0 8b4508 e8???????? 8b4508 5e }
$sequence_2 = { e8???????? 33db 8bf9 895dec 895dfc c645fc01 }
$sequence_3 = { 8d42e0 3c58 770f 0fbec2 0fb68000a54200 83e00f eb02 }
$sequence_4 = { 6a30 51 50 53 ffd6 68???????? }
$sequence_5 = { c1f805 8bcf 83e11f c1e106 8b0485203b4300 c644080401 57 }
$sequence_6 = { 6a09 bf???????? 59 33c0 f3a6 7519 }
$sequence_7 = { 59 33c0 f3a6 753e 891d???????? eb36 8bf0 }
$sequence_8 = { c645fc10 8bcc 89a568fbffff 897114 895910 }
$sequence_9 = { e8???????? 53 56 8d8dd8fcffff e8???????? 53 56 }
condition:
7 of them and filesize < 598016
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8d8d24feffff e8???????? 6860ea0000 ff15???????? 33f6 } | |
| $sequence_1 | hex | { 8b450c e8???????? 8bf0 8b4508 e8???????? 8b4508 5e } | |
| $sequence_2 | hex | { e8???????? 33db 8bf9 895dec 895dfc c645fc01 } | |
| $sequence_3 | hex | { 8d42e0 3c58 770f 0fbec2 0fb68000a54200 83e00f eb02 } | |
| $sequence_4 | hex | { 6a30 51 50 53 ffd6 68???????? } | |
| $sequence_5 | hex | { c1f805 8bcf 83e11f c1e106 8b0485203b4300 c644080401 57 } | |
| $sequence_6 | hex | { 6a09 bf???????? 59 33c0 f3a6 7519 } | |
| $sequence_7 | hex | { 59 33c0 f3a6 753e 891d???????? eb36 8bf0 } | |
| $sequence_8 | hex | { c645fc10 8bcc 89a568fbffff 897114 895910 } | |
| $sequence_9 | hex | { e8???????? 53 56 8d8dd8fcffff e8???????? 53 56 } |
Condition
7 of them and filesize < 598016In plain words (Heuristic)
- The file must be smaller than 598016 (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: e020263d-ee7c-5d98-8049-179a71cab21f
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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