Dans le cadre de la documentation associée à ce produit, nous nous efforçons d’utiliser un langage exempt de préjugés. Dans cet ensemble de documents, le langage exempt de discrimination renvoie à une langue qui exclut la discrimination en fonction de l’âge, des handicaps, du genre, de l’appartenance raciale de l’identité ethnique, de l’orientation sexuelle, de la situation socio-économique et de l’intersectionnalité. Des exceptions peuvent s’appliquer dans les documents si le langage est codé en dur dans les interfaces utilisateurs du produit logiciel, si le langage utilisé est basé sur la documentation RFP ou si le langage utilisé provient d’un produit tiers référencé. Découvrez comment Cisco utilise le langage inclusif.
Cisco a traduit ce document en traduction automatisée vérifiée par une personne dans le cadre d’un service mondial permettant à nos utilisateurs d’obtenir le contenu d’assistance dans leur propre langue. Il convient cependant de noter que même la meilleure traduction automatisée ne sera pas aussi précise que celle fournie par un traducteur professionnel.
Ce document décrit la nouvelle analyse de fichiers protégée par mot de passe (PPFA) ajoutée à la version 14.X du dispositif de sécurité de la messagerie (ESA).
Cisco vous recommande de connaître les concepts et la configuration de l'ESA.
Les informations contenues dans ce document sont basées sur AsyncOS pour ESA 14.0 et versions ultérieures.
The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. Si votre réseau est en ligne, assurez-vous de bien comprendre l’incidence possible des commandes.
Auparavant, le contenu d'un document protégé par mot de passe ou d'une pièce jointe à un fichier d'archive tel que PDF, Doc, ZIP, etc., ne pouvait pas être analysé car le mot de passe était inconnu.
Avec l'introduction de PPFA, les e-mails contenant des pièces jointes protégées par mot de passe peuvent être analysés pour détecter les activités malveillantes et la confidentialité des données si le mot de passe est présent dans le corps du message.
Voici la liste des formats pris en charge :
doc/x 2007-2019 / doc 2002 à 2004
xls/x 2007-2019
ppt/x 2007-2019
zip, rar, 7z
Vous trouverez ici la liste des langues prises en charge :
PPFA est désactivé par défaut.
Les pièces jointes protégées par mot de passe ne peuvent actuellement être analysées que si le mot de passe est présent dans le corps du message. Les mots de passe sont sensibles à la casse et ne reconnaissent pas « espace ».
Une liste de 5 mots de passe maximum fournis par admin est désormais prise en charge.
Pour configurer PPFA à partir de l'interface utilisateur graphique, accédez à Security Service > Scan Behavior > Edit Global Settings > Scanning of Password-protected Attachments > choisissez to Enable for Inbound Mail traffic/Outbound Mail Traffic ou Both >Submit >Commit
Pour configurer PPFA à partir de CLI, exécutez la commande scanconfig > PROTECTEDATTACHMENTCONFIG > Commit
(ESA_CLI) (SERVICE)> scanconfig
NOTICE: This configuration command has not yet been configured for the current cluster mode (Machine esa1.lab.cisco.com).
What would you like to do?
1. Switch modes to edit at mode "Cluster ESA_BETA_CLUSTER".
2. Start a new, empty configuration at the current mode (Machine esa1.lab.cisco.com).
3. Copy settings from another cluster mode to the current mode (Machine esa1.lab.cisco.com).
[1]>
There are currently 5 attachment type mappings configured to be SKIPPED.
Choose the operation you want to perform:
- NEW - Add a new entry.
- DELETE - Remove an entry.
- SETUP - Configure scanning behavior.
- IMPORT - Load mappings from a file.
- EXPORT - Save mappings to a file.
- PRINT - Display the list.
- CLEAR - Remove all entries.
- SMIME - Configure S/MIME unpacking.
- SAFEPRINT - Configure safeprint settings.
- PROTECTEDATTACHMENTCONFIG - Scan password protected attachments.
- CLUSTERSET - Set how scanconfig is configured in a cluster.
- CLUSTERSHOW - Display how scanconfig is configured in a cluster.
[]> PROTECTEDATTACHMENTCONFIG
Scanning of password-protected attachments for inbound mails: enabled.
Scanning of password-protected attachments for outbound mails: enabled.
Do you want to scan password-protected attachments for inbound mails? y/n [Y]>
Do you want to scan password-protected attachments for outbound mails? y/n [Y]>
Scan password protected attachments configuration unchanged.
Remarque : par défaut, 5 mots de passe dans le corps des e-mails sont analysés/extraits.
Pour augmenter le nombre maximal de mots de passe extraits du corps d'un e-mail, la commande masquée "scanconfig > password_list_size" peut être utilisée dans l'interface de ligne de commande. Vous pouvez configurer jusqu'à 10 mots de passe.
Attention : la modification de ces paramètres sur une valeur supérieure peut avoir un impact sur les performances.
(ESA_CLI) (SERVICE)> scanconfig
There are currently 5 attachment type mappings configured to be SKIPPED.
Choose the operation you want to perform:
- NEW - Add a new entry.
- DELETE - Remove an entry.
- SETUP - Configure scanning behavior.
- IMPORT - Load mappings from a file.
- EXPORT - Save mappings to a file.
- PRINT - Display the list.
- CLEAR - Remove all entries.
- SMIME - Configure S/MIME unpacking.
- SAFEPRINT - Configure safeprint settings.
- PROTECTEDATTACHMENTCONFIG - Scan password protected attachments.
- CLUSTERSET - Set how scanconfig is configured in a cluster.
- CLUSTERSHOW - Display how scanconfig is configured in a cluster.
[]> password_list_size
Enter maximum number of passwords to process:
[5]> 1000
Value must be an integer from 1 to 10.
Enter maximum number of passwords to process:
[5]> 10
Password list size is changed.
Dans cet exemple, le filtre de contenu avec des conditions :
alors l'action est le journal "!!!!!le fichier est protégé par mot de passe ! ! ! ! ! !"
a) Dans l'interface de ligne de commande de mail_logs, vous pouvez voir :
Wed Feb 24 12:11:59 2022 Info: Start MID 22178287 ICID 122555
Wed Feb 24 12:11:59 2022 Info: MID 22178287 ICID 122555 From:
Wed Feb 24 12:11:59 2022 Info: MID 22178287 ICID 122555 RID 0 To:
Wed Feb 24 12:11:59 2022 Info: MID 22178287 using engine: SPF Verdict Cache using cached verdict Wed Feb 24 12:11:59 2022 Info: MID 22178287 SPF: helo identity postmaster@[10.0.201.16] None Wed Feb 24 12:11:59 2022 Info: MID 22178287 using engine: SPF Verdict Cache using cached verdict Wed Feb 24 12:11:59 2022 Info: MID 22178287 SPF: mailfrom identity test@lab.cisco.com Pass (v=spf1) Wed Feb 24 12:11:59 2022 Info: MID 22178287 using engine: SPF Verdict Cache using cached verdict Wed Feb 24 12:11:59 2022 Info: MID 22178287 SPF: pra identity test@lab.cisco.com None headers from Wed Feb 24 12:11:59 2022 Info: MID 22178287 DMARC: Message from domain lab.cisco.com, DMARC pass (SPF aligned True, DKIM aligned False) Wed Feb 24 12:11:59 2022 Info: MID 22178287 DMARC: Verification passed Wed Feb 24 12:11:59 2022 Info: MID 22178287 Message-ID '<4be194cc-4c95-9d15-6528-81a05dc56a66@lab.cisco.com>' Wed Feb 24 12:11:59 2022 Info: MID 22178287 Subject ppfa test with xls Wed Feb 24 12:11:59 2022 Info: MID 22178287 SDR: Domains for which SDR is requested: reverse DNS host: Not Present, helo: [10.0.201.16], env-from: lab.cisco, header-from: lab.cisco.com, reply-to: Not Present Wed Feb 24 12:11:59 2022 Info: MID 22178287 SDR: Consolidated Sender Reputation: Tainted, Threat Category: N/A, Suspected Domain(s) : test@lab.cisco.com. Youngest Domain Age: 4 months 14 days for domain: test@lab.cisco.com Wed Feb 24 12:11:59 2022 Info: MID 22178287 SDR: Tracker Header : 1+lIjVgkzfH9oTTP+SaBrzZC3Gs6TTYhJbW8D/pjF0eP1U48Yn65OgvVF9VjL6RgIIYi/H6sTg4VSq/leHowYXwYz/1wmYQCDwFFhTTfkLqs/GuqB1ynXwqZRXi2TiSkkHHrJbo+6IUpze9pVWWlgvZomvY7LindREsvoMzHCYesMkNci5Ko0u0m9D1Fz5SoCuVsofk0dbf9rjydhcP4aGxNOTd99njpfkGqdTbZIBv1mBsIS5fRYaDSEEntbcJkuVq3V5ShYK2HZPfKAbzllBxstwYWM0kRe8uIFfiGuCFqDtPaQ1Fb2avNo1MKwLKL Wed Feb 24 12:11:59 2022 Info: MID 22178287 ready 22082 bytes from
Wed Feb 24 12:11:59 2022 Info: LDAP: Masquerade query LDAP.masquerade MID 22178287 address test@lab.cisco.com to test@lab.cisco.com Wed Feb 24 12:11:59 2022 Info: LDAP: Masquerade query LDAP.masquerade MID 22178287 address test@lab.cisco.com to test@lab.cisco.com Wed Feb 24 12:11:59 2022 Info: MID 22178287 attachment 'testfile.xlsx' Wed Feb 24 12:12:01 2022 Info: MID 22178287 matched all recipients for per-recipient policy test1 in the inbound table Wed Feb 24 12:12:04 2022 Info: MID 22178287 interim verdict using engine: CASE spam negative Wed Feb 24 12:12:04 2022 Info: MID 22178287 using engine: CASE spam negative Wed Feb 24 12:12:04 2022 Info: MID 22178287 interim AV verdict using McAfee ENCRYPTED Wed Feb 24 12:12:04 2022 Info: MID 22178287 interim AV verdict using Sophos ENCRYPTED Wed Feb 24 12:12:04 2022 Info: MID 22178287 antivirus encrypted Wed Feb 24 12:12:04 2022 Info: MID 22178287 AMP file reputation verdict : UNKNOWN(File analysis pending) Wed Feb 24 12:12:04 2022 Info: MID 22178287 SHA d1e67e9640c598162b891028d967d2e5621d0c1bc1141ef2cec21a0ee1087349 filename testfile.xlsx queued for possible file analysis upload Wed Feb 24 12:12:04 2022 Info: MID 22178287 using engine: GRAYMAIL negative Wed Feb 24 12:12:04 2022 Info: MID 22178287 Custom Log Entry: !!!!!!!!!file is passwordprotected!!!!!!!!! Wed Feb 24 12:12:04 2022 Info: MID 22178287 Unable to safe print the attachment, Filename: testfile.xlsx, Reason: The attachment is encrypted, Action: The attachment is stripped Wed Feb 24 12:12:04 2022 Info: MID 22178287 rewritten to MID 22178289 by safeprint-all-attachments-strip-unscan filter 'PDF-Safeprint' Wed Feb 24 12:12:04 2022 Info: Message finished MID 22178287 done
b) À partir des journaux content_scanner, vous pouvez voir si le fichier a été correctement extrait
Wed Feb 24 12:12:01 2022 Info: PF: MID 22178287 The password-protected file - "testfile.xlsx" is scanned successfully.
c) À partir de amp_logs, vous pouvez voir que le fichier extrait est maintenant envoyé à Advanced Malware Protection (AMP) et à File Analysis pour analyse.
Tue Mar 16 11:21:03 2022 Info: File reputation query initiating. File Name = 'testfile.zip', MID = 22194509, File Size = 706376 bytes, File Type = application/zip
Tue Mar 16 11:21:03 2022 Info: Response received for file reputation query from Cloud. File Name = 'testfile.zip', MID = 22194509, Disposition = FILE UNKNOWN, Malware = None, Analysis Score = 0, sha256 = fb997bf3891f81edc3a4292c22d9fa7fbfc652756eec5e9b7ffd431581694f5b, upload_action = Reco
mmended to send the file for analysis, verdict_source = None
Tue Mar 16 11:21:03 2022 Info: Compressed/Archive File: sha256 = fb997bf3891f81edc3a4292c22d9fa7fbfc652756eec5e9b7ffd431581694f5b MID = 22194509, Extracted File: File Name = 'testfile.exe', File Type = 'application/x-dosexec', sha256 = f2d2638afb528c7476c9ee8e83ddb20e686b0b05f53f2f966fd9eb
962427f8aa, Disposition = FILE UNKNOWN, Response received from = Cloud, Malware = None, Analysis Score = 0, upload_action = Recommended to send the file for analysis
Tue Mar 16 11:21:04 2022 Info: File uploaded for preclassification. SHA256: f2d2638afb528c7476c9ee8e83ddb20e686b0b05f53f2f966fd9eb962427f8aa, file name: testfile.exe
Tue Mar 16 11:21:31 2022 Info: File uploaded for analysis. SHA256: f2d2638afb528c7476c9ee8e83ddb20e686b0b05f53f2f966fd9eb962427f8aa, file name: testfile.exe
d) Si les amp_logs sont au niveau de débogage, vous pouvez voir plus d'informations liées au fichier protégé par mot de passe :
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: amp_supported_file_mime: Supported mime : application/zip
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: _amp_unarchv_mem2file - in_buf=0x96682000, size=706376, ctext=0x0, parent=0x0
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: password is Cisco
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: amp_context_create - ctext=0x96610ec0
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: archive size = 706376, max archive size=14127520
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: password is Cisco
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: amp_context_create - ctext=0x96610ec0
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: archive size = 706376, max archive size=14127520
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: amp_make_dated_dir - path=/data/tmp/amp/2022_03_16
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: update_full_pathname entered - path=/data/tmp/amp/2022_03_16, filename=testfile.exe, suffix=#amp_1_1615911663
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: update_full_pathname - archive_entry_set_pathname, /data/tmp/amp/2022_03_16/testfile.exe#amp_1_1615911663
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: amp_queue_entry_insert - ctext=0x96610ec0, parent=0x0, pathname=/data/tmp/amp/2022_03_16/testfile.exe#amp_1_1615911663
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: _amp_unarchv_file2file - ctext=0x96610ec0, parent_qe=0x9666a2e0, filename=/data/tmp/amp/2022_03_16/testfile.exe#amp_1_1615911663
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: Unsupported file type: application/x-dosexec
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: _amp_unarchv_mem2file - in_buf=0x97284000, size=1096080, ctext=0x96610ec0, parent=0x9666a2e0
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: _amp_unarchv_mem2file - decode depth (0)
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: _amp_unarchv_file2file - archive cumulative size=1096080 no.of files=1
Tue Mar 16 11:21:03 2022 AMPPyrex:- AMP-INFO: set_analysis_params do_sandbox=0, do_analysis=0,file_mime=application/zip, file priortiy=0 preclass_type=2
Tue Mar 16 11:21:03 2022 AMPPyrex:- AMP-INFO: set_analysis_params do_sandbox=1, do_analysis=1,file_mime=application/x-dosexec, file priortiy=0 preclass_type=4
Tue Mar 16 11:21:03 2022 AMPCloudIF:- AMP-DEBUG: AMP Query Request, FileType[0] SHA256[fb997bf3891f81edc3a4292c22d9fa7fbfc652756eec5e9b7ffd431581694f5b]
......
ue Mar 16 11:21:03 2022 CloudPool:- AMP-DEBUG: cb in callback_thread
Tue Mar 16 11:21:03 2022 AMPCloudIF:- AMP-DEBUG: AMP Query Response[Cloud], SHA256[fb997bf3891f81edc3a4292c22d9fa7fbfc652756eec5e9b7ffd431581694f5b], disposition[1] score[0] score_tg[0] score_type[0] SpyName[] action[1]
Tue Mar 16 11:21:03 2022 CacheUtils:- AMP-DEBUG: Found SHA256: - SHA256::fb997bf3891f81edc3a4292c22d9fa7fbfc652756eec5e9b7ffd431581694f5b
Tue Mar 16 11:21:03 2022 CloudPool:- AMP-DEBUG: imcloud callback thread going to sleep
Tue Mar 16 11:21:03 2022 VRTCloudIF:- AMP-DEBUG: Status List, Server Response HTTP code:[200]
Tue Mar 16 11:21:03 2022 CacheUtils:- AMP-DEBUG: Found SHA256: - SHA256::f2d2638afb528c7476c9ee8e83ddb20e686b0b05f53f2f966fd9eb962427f8aa
Tue Mar 16 11:21:03 2022 VRTCloudIF:- AMP-DEBUG: File SHA256[f2d2638afb528c7476c9ee8e83ddb20e686b0b05f53f2f966fd9eb962427f8aa] pri - [0] is enqueued to vrt
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: amp_entry_preserve_file - ctext=0x96610ec0, pathname=/data/tmp/amp/2022_03_16/testfile.exe#amp_1_1615911663
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: amp_entry_preserve_file - preserved pathname=/data/tmp/amp/2022_03_16/testfile.exe#amp_1_1615911663
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: amp_context_delete - ctext=0x96610ec0
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: amp_queue_entry_free - entry=0x9666a2e0, pathname=/data/tmp/amp/2022_03_16/testfile.exe#amp_1_1615911663 file_mime =application/x-dosexec, preserved=1
Tue Mar 16 11:21:03 2022 Unarchive:- AMP-DEBUG: amp_context_free - ctext=0x96610ec0
Tue Mar 16 11:21:03 2022 AMPRPC:- AMP-INFO: Adjusted verdict - {'file_type': 'application/zip', 'file_name': 'testfile.zip', 'verdict_source': None, 'spyname': '', 'custom_threshold': None, 'unscan_category': None, 'category': 'amp', 'original_verdict': 'FILE UNKNOWN', 'analysis_statu
s': 1, 'analysis_score': 0, 'score': 0, 'sha256': 'fb997bf3891f81edc3a4292c22d9fa7fbfc652756eec5e9b7ffd431581694f5b', 'verdict_str': 'FILE UNKNOWN', 'uploaded': False, 'verdict_from': 'Cloud', 'xid': 22194509, 'verdict_num': 1, 'blacklisted': False, 'extract_file_verdict_list': deque([{'c
ategory': 'amp', 'uploaded': True, 'original_verdict': 'FILE UNKNOWN', 'analysis_status': 4, 'verdict_num': 1, 'analysis_score': 0, 'file_type': 'application/x-dosexec', 'file_name': 'testfile.exe', 'verdict_source': None, 'verdict_from': 'Cloud', 'spyname': '', 'score': 0, 'unscan_category'
: None, 'upload_reason': None, 'sha256': 'f2d2638afb528c7476c9ee8e83ddb20e686b0b05f53f2f966fd9eb962427f8aa', 'verdict_str': 'FILE UNKNOWN', 'analysis_action': 1, 'blacklisted': False}]), 'analysis_action': 1, 'verdict': 'FILE UNKNOWN', 'error': None}
Tue Mar 16 11:21:03 2022 VRTCloudIF:- AMP-DEBUG: Set curl options URL[https://tg1-clean.lab.cisco.com/csa/v3/run/file?apikey=qg8ecq3n5c9ld4inbps783g263&async=true&classify=true], Trust Store[/data/fire_amp/db/preserve/private_cert.pem]
Tue Mar 16 11:21:03 2022 VRTCloudIF:- AMP-DEBUG: {"message":"Success","hash":"f2d2638afb528c7476c9ee8e83ddb20e686b0b05f53f2f966fd9eb962427f8aa","base_url":"https://tg1-clean.lab.cisco.com","entitlement_buffer_info":{"used":0,"available":true,"available_on":"2022-03-16T16:21:03Z"},"anal
yzing":"unknown","sample":"d5c8d83543d92c0cc428d6377d1c665d","query":"https://tg1-clean.lab.cisco.com/csa/v3/report?sample=d5c8d83543d92c0cc428d6377d1c665d"}
Tue Mar 16 11:21:03 2022 VRTCloudIF:- AMP-DEBUG: File upload successful filename testfile.exe
Tue Mar 16 11:21:03 2022 CacheUtils:- AMP-DEBUG: Found SHA256: - SHA256::f2d2638afb528c7476c9ee8e83ddb20e686b0b05f53f2f966fd9eb962427f8aa
Tue Mar 16 11:21:03 2022 VRTCloudIF:- AMP-DEBUG: File SHA256[f2d2638afb528c7476c9ee8e83ddb20e686b0b05f53f2f966fd9eb962427f8aa], file mime[application/x-dosexec], upload priority[High] successfully uploaded to the VRT server.
Tue Mar 16 11:21:03 2022 AMPPyrex:- AMP-INFO: Upload SHA[f2d2638afb528c7476c9ee8e83ddb20e686b0b05f53f2f966fd9eb962427f8aa] runid=0 sampleid = timestamp=1615911663
Tue Mar 16 11:21:17 2022 AMPPyrex:- AMP-DEBUG: AMP Extraction monitoring thread entering into sleep. Thread pool length=19 free pool size=1
Accédez à Suivi des messages et filtrez l'ID de message.
Condition : mot de passe incorrect ou mot de passe introuvable.
a) À partir de mail_logs dans CLI
Wed Feb 24 12:24:40 2022 Info: MID 22178297 ICID 122563 From:
Wed Feb 24 12:24:40 2022 Info: MID 22178297 ICID 122563 RID 0 To:
Wed Feb 24 12:24:40 2022 Info: MID 22178297 using engine: SPF Verdict Cache using cached verdict Wed Feb 24 12:24:40 2022 Info: SPF Verdict Cache cache status: hits = 10, misses = 531, expires = 318, adds = 531, seconds saved = 0.04, total seconds = 9.69 Wed Feb 24 12:24:40 2022 Info: MID 22178297 SPF: helo identity postmaster@[10.0.201.16] None Wed Feb 24 12:24:40 2022 Info: MID 22178297 using engine: SPF Verdict Cache using cached verdict Wed Feb 24 12:24:40 2022 Info: MID 22178297 SPF: mailfrom identity test@lab.cisco.com Pass (v=spf1) Wed Feb 24 12:24:40 2022 Info: MID 22178297 using engine: SPF Verdict Cache using cached verdict Wed Feb 24 12:24:40 2022 Info: MID 22178297 SPF: pra identity test@lab.cisco.com None headers from Wed Feb 24 12:24:40 2022 Info: MID 22178297 DMARC: Message from domain lab.cisco.com, DMARC pass (SPF aligned True, DKIM aligned False) Wed Feb 24 12:24:40 2022 Info: MID 22178297 DMARC: Verification passed Wed Feb 24 12:24:40 2022 Info: MID 22178297 Message-ID '<825ab100-3066-e35e-148e-9ea08cb2fb28@lab.cisco.com>' Wed Feb 24 12:24:40 2022 Info: MID 22178297 Subject ppfa test without password Wed Feb 24 12:24:40 2022 Info: MID 22178297 SDR: Domains for which SDR is requested: reverse DNS host: Not Present, helo: [10.0.201.16], env-from: lab.cisco.com, header-from: lab.cisco.com, reply-to: Not Present Wed Feb 24 12:24:40 2022 Info: MID 22178297 SDR: Consolidated Sender Reputation: Tainted, Threat Category: N/A, Suspected Domain(s) : test@lab.cisco.com. Youngest Domain Age: 4 months 14 days for domain: test@lab.cisco.com Wed Feb 24 12:24:40 2022 Info: MID 22178297 SDR: Tracker Header : jiOYjEFgtyhTbL9t0GE5obyJYv3d6lj/sYLgchp5eutSz6X67FGFv3IHCBbU5wQBlYXe8Bv/r+uhxP6VIAXvyXSt35AAGc5hkANFBHB0v/PJzmLg4sd2yacAozybm9ITPJKTdj+4cQtIrgZxBJtCuBoBQ9Y4v00rdaaYT15VZ3CLjypIvVIZeImiTGR1OwocHluoZrdecXFIT3Lo9lTBsJVPbIkyI3AU0Z82nQPgkCsp8CVAQYYlQXqd7ObrcFIsfX6NHZ+Z22kXaRlBd7FMk4PJ6u8X3R9B1vP+bJoM5Cxx15ZHNkgD49u8PJT2ags4 Wed Feb 24 12:24:40 2022 Info: MID 22178297 ready 22089 bytes from
Wed Feb 24 12:24:40 2022 Info: LDAP: Masquerade query LDAP.masquerade MID 22178297 address test@lab.cisco.com to test@lab.cisco.com Wed Feb 24 12:24:40 2022 Info: ICID 122563 close Wed Feb 24 12:24:40 2022 Info: LDAP: Masquerade query LDAP.masquerade MID 22178297 address test@lab.cisco.com to test@lab.cisco.com Wed Feb 24 12:24:40 2022 Info: MID 22178297 attachment 'testfile.xlsx' Wed Feb 24 12:24:42 2022 Info: MID 22178297 was marked unscannable due to extraction failures. Reason: The password protected attachment 'testfile.xlsx' could not be scanned successfully. Wed Feb 24 12:24:42 2022 Warning: MID 22178297: scanning error (name='testfile.xlsx', type=document/xls): Extraction failure of password protected attachment Wed Feb 24 12:24:42 2022 Info: MID 22178297 matched all recipients for per-recipient policy test1 in the inbound table Wed Feb 24 12:24:46 2022 Info: MID 22178297 interim verdict using engine: CASE spam negative Wed Feb 24 12:24:46 2022 Info: MID 22178297 using engine: CASE spam negative Wed Feb 24 12:24:46 2022 Info: MID 22178297 interim AV verdict using McAfee ENCRYPTED Wed Feb 24 12:24:46 2022 Info: MID 22178297 interim AV verdict using Sophos ENCRYPTED Wed Feb 24 12:24:46 2022 Info: MID 22178297 antivirus encrypted Wed Feb 24 12:24:46 2022 Info: MID 22178297 AMP file reputation verdict : UNKNOWN Wed Feb 24 12:24:46 2022 Info: MID 22178297 using engine: GRAYMAIL negative Wed Feb 24 12:24:46 2022 Info: MID 22178297 Unable to safe print the attachment, Filename: testfile.xlsx, Reason: The attachment is encrypted, Action: The attachment is stripped Wed Feb 24 12:24:46 2022 Info: MID 22178297 rewritten to MID 22178298 by safeprint-all-attachments-strip-unscan filter 'PDF-Safeprint' Wed Feb 24 12:24:46 2022 Info: Message finished MID 22178297 done
b) Dans content_scanner vous pouvez voir :
Wed Feb 24 12:24:42 2022 Info: PF: MID 22178297 Failed to open document - 'testfile.xlsx' because it is password protected.
a) À partir de l'interface utilisateur graphique dans Suivi des messages, filtrez l'ID de message
Impossible d'extraire les fichiers imbriqués protégés par mot de passe. Cette fonctionnalité n'est pas prise en charge actuellement.
Vous pouvez voir cette erreur dans mail_logs
Sun Nov 22 21:09:31 2022 Info: MID 19597596 attachment 'testfile.zip'
Sun Nov 22 21:09:31 2022 Info: ICID 465893 close
Sun Nov 22 21:09:41 2022 Info: MID 19597596 was marked unscannable due to extraction failures. Reason: The attachment could not be decrypted for scanning.
Utilisez la commande « ppfastats » dans l'interface de ligne de commande pour afficher le résumé des messages qui avaient des pièces jointes protégées par mot de passe et qui ont été analysés par ESA.
Remarque : ppfastats est une commande masquée.
(Machine esa1.lab.cisco.com)> ppfastats
Incoming PPFA Statistics:
Total number of Password Protected Attachments : 425
Total number of Sucessfully scanned Password Protected Attachments : 386
Total number of Protected PDF Attachments : 136
Total number of Sucessfully scanned PDF Attachments : 136
Total number of Protected Office Attachments (XLS, PPT, DOC) : 36
Total number of Sucessfully scanned Office Attachments : 36
Total number of Protected Archive Attachments : 253
Total number of Sucessfully scanned Archive Attachments (ZIP) : 214
Outgoing PPFA Statistics:
PPFA Statistics data not available for Outgoing Mails.
Révision | Date de publication | Commentaires |
---|---|---|
1.0 |
14-Jul-2023 |
Première publication |