YARA · Malpedia signator rules
MALPEDIA_Win_Ripper_Atm_Auto
autogenerated rule brought to you by yara-signator
MalwareRipper AtmMalpedia 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: Ripper Atm.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-ripper-atm-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Ripper_Atm_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "abfa5bbc-7e2b-518c-93b7-97db3ca12128"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.ripper_atm"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.ripper_atm_auto.yar#L1-L130"
= "N/A"
= "386c947474920550baec0da9a91550d4fc1de86f84fa17586679290334ca5f50"
= 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 = { 7471 8b0c85f0974400 f644190480 7463 8d45e0 50 ff3419 }
$sequence_1 = { 8b45e0 ff7010 ffd3 8b45e0 ff7014 ffd3 ff75e0 }
$sequence_2 = { 7407 8d5518 3bce 7403 8d55f8 8b12 8913 }
$sequence_3 = { c3 55 8bec 8b0d???????? 8b15???????? 8bc1 2bc2 }
$sequence_4 = { 85f6 0f8e55ffffff 8b4c2418 ebde 55 8bec 83e4f8 }
$sequence_5 = { 7406 57 e8???????? 015e04 eb2b 3b4e08 7508 }
$sequence_6 = { e8???????? 8906 8b5508 8b0a 890e 8902 8b4204 }
$sequence_7 = { 57 e8???????? 8b4304 8b0b 8945fc }
$sequence_8 = { 56 8d45d0 50 e8???????? 8b75d0 8d4dd4 }
$sequence_9 = { 8d45e0 43 eb13 6a02 c745dc0f000000 8955d8 }
condition:
7 of them and filesize < 724992
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 7471 8b0c85f0974400 f644190480 7463 8d45e0 50 ff3419 } | |
| $sequence_1 | hex | { 8b45e0 ff7010 ffd3 8b45e0 ff7014 ffd3 ff75e0 } | |
| $sequence_2 | hex | { 7407 8d5518 3bce 7403 8d55f8 8b12 8913 } | |
| $sequence_3 | hex | { c3 55 8bec 8b0d???????? 8b15???????? 8bc1 2bc2 } | |
| $sequence_4 | hex | { 85f6 0f8e55ffffff 8b4c2418 ebde 55 8bec 83e4f8 } | |
| $sequence_5 | hex | { 7406 57 e8???????? 015e04 eb2b 3b4e08 7508 } | |
| $sequence_6 | hex | { e8???????? 8906 8b5508 8b0a 890e 8902 8b4204 } | |
| $sequence_7 | hex | { 57 e8???????? 8b4304 8b0b 8945fc } | |
| $sequence_8 | hex | { 56 8d45d0 50 e8???????? 8b75d0 8d4dd4 } | |
| $sequence_9 | hex | { 8d45e0 43 eb13 6a02 c745dc0f000000 8955d8 } |
Condition
7 of them and filesize < 724992In plain words (Heuristic)
- The file must be smaller than 724992 (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: abfa5bbc-7e2b-518c-93b7-97db3ca12128
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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